text:
We all know that as consumers we want rich experiences of customer service. Well, I have had just that with Pool Leaks Plus and its' owner Michael. I was devastated for approximately 1 month looking at a green, murky pool which the company that serviced it kept advising me everyday he was fixing it today and never did. It had a crack somewhere in the skimmer, and that company would tell me he sealed it, emptied it, acid washed it etc etc. All a bunch of lies, which led me on a search for help! Long story, short, I was tired of having a mess in my backyard and I located : "Pool Leaks Plus". I spoke with a very courteous gentleman "Michael" he listened to my story and told me he would go out there that same day and try to see what the problem was. Just as promised, he went that day, he called me from the house and diagnosed the problem of a leak in the skimmer instantly, he advised me that it could not be sealed and there was no sign that the service company had done anything to remedy the problem, which caused more damage than anything else. He gave me an estimate on the phone, and then sent me a written estimate that same evening of what we spoke about. I was so pleased with his honest actions, keeping his word just as he stated. The following week he proceeded to work on the area, replace the skimmer, rebalanced my pool, replaced valves on the pump. My pool was back in tip top shape the way it should have been, within 24 hours of work. I was ecstatic, and sorry at the same time, that I did not locate Pool Leaks Plus long before. I am totally pleased with their promptness, preciseness, customer service, and quality work. It is my pleasure to recommend Pool Leaks Plus to anyone who need quality, professional work with honesty. Thank You, Michael I appreciate your business, and thank you for your recommendation of a new pool service company. I am totally satisfied.
Miami Swimming Pool Repair Service
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Serving the Miami area.
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Alligator Pool Services
Serving the Miami area.
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L A Pool Service Inc
Serving the Miami area.
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Way-Lyn Pools
7385 SW 122nd St, Miami, FL 33156
- (305) 547-8259
Clearwater Pools
12308 SW 117th Ct, Miami, FL 33186
- (786) 373-4811
1. Clearwater Pools
It's easy to complain when you're disappointed with a service you receive, but sometimes people forget to let someone know when they've done a GREAT…
2. Way-Lyn Pools
7385 SW 122nd StMiami, FL 33156
From Business: While being one of Miami's most consistent and reliable pool and equipment repair companies, Way-Lyn Pools has been helping pool owners enjoy their pools since 1983…
3. All Florida Pool & Spa Center
We are so happy with the service that All Florida Pool and Spa has given us . They came out to our house the same day that we called and were able …
4. Snapp Industries Inc
2902 NW 22nd StMiami, FL 33142
From Business: Family Owned & Operated Since 1945. Servicing all of Florida. Commercial & Residential, column & beam repair, pressure grouting, epoxy injection, chemical grouting,…
5. OK Pool & Spa Repair
7003 N Waterway Dr Unit 212Miami, FL 33155
6. Boss Pools
Is not just a pool.... is the pool experience.. I truly want to make another pool, just so that I can deal with Carlos.. I mean WOW!!!
7. Tuttle's Pool Company Inc.
My family is having a great experience with this family owned company. We renovated our pool. Great and caring service. Excellent work: Fair pri…
8. Mermaid Pool Service
139 NW 117th StMiami, FL 33168
From Business: Is your pool in need of a little TLC? Our swimming pool repair and service professionals can breathe new life into your pool. From lining and filter repair to clean…
9. Alligator Pool Services
Serving the Miami Area.
From Business: We serve: South Miami, Coral Gables, Suniland,Pinecrest, Palmetto Bay, Cutler Bay, Kendall, Perrine and all areas South of Flagler St. We are family owned and opera…
10. L A Pool Service Inc
Service is prompt. Prices are reasonable. Pool problems get fixed. Owner is accessible and goes the extra mile. That kind of business is rare in Mia…
11. Easy Pool Quote
Serving the Miami Area.
From Business: Easy Pool Quote will provide you with fast, easy, and affordable quotes on your pool project. You can request quotes and set up scheduling either online or over the…
12. Florida Pool Heating Inc
5275 NW 36th StMiami Springs, FL 33166
From Business: Extend your swim season and swim comfortable year around At Florida Pool Heating, we help our customers make the most out of their swimming pool investment. We help…
13. Pool And Pool Llc
9999 NW 89th AveMedley, FL 33178
14. Ace Sprinkler & Pump Granat Pool Service
10753 SW 188th StCutler Bay, FL 33157
From Business: A healthy, green lawn and a sparkling swimming pool are every homeowner s dream. We offer solutions to help you achieve the beautiful grounds you ve always wanted. …
15. BioGuard
From Business: It's been a little over four decades since we first emerged on the scene as an upstart pool chemical company. Today, BioGuard is recognized as one of the nation's p…
16. OK Pool & Spa
I have been using ok pools for about 10 years now. They are very knowledeable. I highly recommend they. They are very profesional and effient. T…
17. Gator Pools And Spa Construction
Serving the Miami Area.
18. Pool Quality Services
14261 SW 42nd StMiami, FL 33175
19. Master Diamond Pool Service Corp.
1711 SW 137 CtMiami, FL 33175
20. Miami Pool and Spa Repair
TO CONSUMERS FROM OWNER The lying so soft spoken Manuel Moinard who wrote the totally untrue review happens to purchase a portable vinyl spa on lin…
21. Always Clean Pools Inc
It has been a pleasure to use your service. your professional and prompt service
22. YM Pool Service & Repair Inc
Excellent service, very very professional, you recomiendo 100 % for Your houses
23. Miami deluxe pool plumbing
im very excited that my pool and water fall have been completed they built it just as i had dreamed of it thanks for the great job done miami deluxe…
24. pool & spa property services corp.
25. Clean Pools
My pool was green and Clean Pools solve my problem in less than 24 hrs. And gave me a good price for monthly service.
26. Dream Pools of South Florida, Inc.
Very nice job over all. They took there time with the attention to detail but well worth the wait. Very satisfied with the over all finish product.
27. Pool Builders Miami
1001 Brickell Bay Drive #2700cMiami, FL 33131
From Business: We are the best pool builder in Miami and going far to ensure full satisfaction of our clients is the basis of what our organization was built on. We are highly hon…
28. Ron Amira
13605 S Dixie Hwy Ste. 109 Suite 434Miami, FL 33176
From Business: Pool and patio king service has been in business over 20 years. OUR number ONE goal is to treat OUR customers with royalty. Loyalty. Reliability. Quality. And most …
29. Pinch A Penny Pool Patio Spa
14405 S. Dixie Hwy.Miami, FL 33176
30. Sal & Sons Pools Inc
P.O Box 771363Miami, FL 33177
I was out of the country in late August when I get a phone call from my wife that she thinks our pool has a major leak. I immediately asked her to shut off the pumps and to please find us a pool leak specialist. My wife looked on the internet and read the reviews on several pool leaks specialists. She found a well-reviewed pool leak specialist - Michael of Pool Leaks Plus. I called him from overseas. Michael answered immediately and made arrangements to come out on the following Saturday morning. He found the leak ( it was pricey to do the leak analysis but then again everyone is charging around $200-$250). He came back during the week and jack-hammered into the area of my concrete deck (ugghhhh ...but it was necessary) and found the leak in the plumbing. By the way, the plumbing installation and PVC pipes were only 1 year and half old. The plumbing was installed by a Miami pool company which is now bankrupted (it went by the name of the "mythological creature" which is rubbed out of lamp! ). Michael then pour a new layer of sand and new concrete into the hole. Unfortunately since it was originally stamped and stained concrete deck , I now have a different colored area from the rest of the pool deck. Oh well, this was NOT Michael's fault , he did the best he could . I would recommend him for all your pool leak problem.
After 6 mos. of agony and much spent on other pool leak detectors and bs, I finally came across someone who could actually provide exceptional service and resolve my pool leak IMMEDIATELY. I called Michael at Pool Leaks Plus on a Friday morning and he was at my home within the hour. Detected the pool leak ( which was a rare leak) with his equipment and preseverance. He stated " that he would not leave until he discovered the leak", and boy he did and fixed it immediately. He is worth every single penny and then some. If I would have called him initially I would have saved alot of money on other detectors that just did not know what they were doing. Michael at Pool Leaks Plus is a must call if you have a leak. Don't look anywhere else you will be waisting your time and money. Thank you Michael. It is nice to see my water level staying up FINALLY!!!


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1200 Reviews
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text:
Grabber update…
Earlier, I noted that W8LIW was getting signals simultaneously from both Europe and Australia, so I was hoping that as the earth spun around, I might get some good DX signals. Thusfar, the only one I'm getting is Vern's Big Ears beacon from Nova Scotia, right down along the bottom (repeating VDM).
Oh, and I've got my grabber pretty much running well at http://qrss.info. I just added the frequency legend on the right. It should go pretty well for the next couple of hours, then falls off during the night, until about midnight when Australia and Japan usually begin to wake up.
Hello Mark,
Thanks for linking to my Maidenhead WWL grid page at http://qth.map.googlepages.com/
Because of changes to Google Sites functionality I had to move the page to another server.
In addition to that I added some functionality:
— distance lines between two squares are now geodesic — the shortest path between two points along the surface of the Earth
— display of bearing information between two squares
— calculation of midpoint along the geodesic line — to help those who use aeroplanes' reflections for making contact
I would appreciate if you could update the information at your page as well and point the web link to:
Best regards,
Joosep-Georg Järvemaa
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text:
|Publication number
|Publication type
|Application number
|Publication date
|May 22, 1990
|Filing date
|Apr 15, 1987
|Priority date
|Apr 15, 1987
|Fee status
|Publication number
|Lawrence E. Larsen
|Original Assignee
|Larsen Lawrence E
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (6), Non-Patent Citations (6), Referenced by (100), Classifications (18), Legal Events (3)
|External Links: USPTO, USPTO Assignment, Espacenet
This invention relates to a method and apparatus for monitoring of the heart. In addition, it serves as a tool for clinical investigation of silent ischemia in ambulatory populations, as a means to evaluate drug treatment response to heart failure, and as a physiologic monitor for the regulation of anesthesia.
The existing methods for functional evaluation in ambulatory populations are based on electrocardiography, but the electrical analogues of cardiac function do not adequately describe the hemodynamic or pumping functions of the heart. The Holter monitor represents an electrical analogue to the expected benefits of this system for the assessment of cardiac pumping functions. Although the Holter monitor is a valuable method, and well suited to telemetric operation, in circumstances where the electrical and hemodynamic functions of the heart are poorly correlated, e.g., inotropic drug effects, and silent ischemia, continuous electrical monitoring often fails to disclose hemodynamic pathophysiology. Additionally, in many instances invasive methods of hemodynamic monitoring are contraindicated.
Presently available methods for measurement of cardiac hemodynamics such as stroke volume are either invasive, or require constant operator intervention. Ionizing radiation is sometimes used. In spite of the generally high risk, the accuracy of invasive methods are no better than plus-and-minus 10% as shown in repeated studies of the same individual in a single cardiac catheterization session. Further, invasive methods are obviously unsuitable for continuous measurement or screening applications.
Noninvasive methods such as gamma camera scintigraphy or ultrasound time-motion and Doppler flow are not suitable for unattended operation in continuous monitoring applications since the positioning of focused transducers is extremely critical and operator interactive. For example, the Doppler method requires measurement of the aortic flow profile just past the aortic valve plus estimation of the vessel cross-sectional area. Ultrasound time motion methods are just as difficult and less accurate due to sampling error. The techniques of two dimensional echocardiography and gamma camera gated blood-pool scintigraphy for estimation of chamber volume have excessive data rates and image processing requirements that are not consistent with mobile operation. Although recent developments in nonimaging radioisotopic systems for ventricular function monitoring do not evidence these problems, ionizing radiation is used, and therefore this procedure is less favorable in a risk/benefit analysis. Secondly, its time domain records of isotope activity are less well correlated with ventricular volume as shown for UHF band insertion loss studies performed in animals. Thirdly, the short half-life needed to reduce risk from the ionizing radiation leads to several operational disadvantages such as a requirement for on-site isotope generation and reinjection of radioisotope after two to four half lives.
Prior microwave methods for cardivascular monitoring are based on heart rate detection from Doppler (velocity) processed data in back scatter or narrow angle bistatic geometries. No hemodynamic measures are available. Important improvements in microstrip antenna technologies in the instant invention ameliorate loss of signal with subject movement and interference from unrelated movement or external signal sources that effect sensor operation by way of leakage or fringing fields.
The instant invention for a microwave monitor of cardiac hemodymanics is distinguished from ultrasound systems since it is neither labor intensive nor greatly dependant upon operator skill. These are benefits of the fact that transducer placement is not critical and it is not an imaging method. It is distinguished from radio-isotope methods in that neither ionizing radiation nor isotopes are involved and chamber volumes are estimated by changes in forward scattered complex field amplitudes, especially the phase of S21. The instant invention is distinguished from other microwave methods in its use of vector processing of coherent forward scattered fields; by the availability of, and processing for, hemodynamic indices rather than simply heart rate; and by antenna technologies that reduce artifact from slippage, leakage and fringing field effects. This ease of use and relatively noncritical antenna positioning combine to produce a robust method for ambulatory monitoring of cardiac hemodynamics that is not available with alternative technologies.
There is no prior art in microwave hemodynamic measurements in humans that uses flexible, closely coupled microstrip antennas and vector processing of the scattered complex field amplitudes.
Past methods used were based on waveguide antennas and scalar processing of forward scattered fields. Past methods, therefore, are insensitive to electrical length(s) of the propagation path and unsuitable for ambulatory use.
Human work is limited to Doppler processing of back scattered or narrow angle bistatic systems. Doppler processing detects the velocity of interfacial movement using a noncontacting wave guide antenna and monostatic Doppler processing of the back scattered field. It does not measure the complex field amplitudes (CFA). Furthermore, there is little or no penetration of the sensor signal beyond the first interface because of the high reflection coefficient from air to chest wall and high carrier frequency (ca 10 GHz) as opposed to the UHF band used by the instant invention needed to allow extraction of Doppler components from the slowly moving chest wall.
Recent heart rate monitors explored several frequencies between 2 and 12 GHz with patch antennas and Doppler processing from monastatic (back scattered) or narrow angle bistatic configurations. The antennas were not in skin contact, but rather placed on top of protective clothing.
Later, two frequencies (X band and S band) were studied in a fully shielded enclosure except for a thick Teflon face on one side. Doppler processing was replaced by detection of oscillator pulling by changes in collector current with load mismatch; but results were unreliable due to signal disruption and nearby, unrelated movement provented successful operation of the sensor. Also, related movement such as that involving the verlying muscle was still more troublesome and the signal was disrupted to the point of becoming unusable. The system was limited to the detection of arterial pulse with later processing for lost beats.
A constant problem with prior designs derives from movement artifact. This has two forms; (1) transducer movement with respect to the target issue whether due to surface slippage, inertial effects, or movement of internal structures; and (2) related movement such as changes in cable capacitance with bending or leakage/fringe fields leading to interference. The design procedures of prior art did not provide for low profile patch antennas that are closely coupled and conformal. The sensor must be mechanically coupled to the target with a low moment of inertia. Prior art placement of the sensor increased the effective moment of inertia and led to an inability to accomplish constant, close coupling of the sensor to the target.
Additionally, prior techniques failed to provide close electromagnetic coupling because of the thick radome. A thin, conformal radome also decreases leakage effects and fringing fields.
No prior art utilized vector analysis of scattering parmeter S21 which provides the advantages of phase information, the advantage of larger radar cross section, and the advantage of contacting microstrip antennas. Furthermore, none of the prior art is suitable for application to ambulatory monitoring.
Biologic dielectrics are characterized by a complex propagation constant that describes material properties with respect to impressed electric fields. It is comprised of a real and imaginary part representing the attenuation constant and phase constant, respectively. The defining equation for the real part, α, or the attenuation constant is:
α=1/x(1n[E0 E])
where x is the propagation distance and E is the original electric field strength. It has the units of Nepers/meter. The imaginary part is the phase constant, β. Its defining equation is:
where λ is the wavelength. The units are degrees/meter. The complex propagation constant defines the properties of the medium in terms of its microwave constitutive parameters and describes the propagation of plane waves in unbounded dielectric media.
A solution to Maxwell's partial differential equation form for the wave equation is:
E=E0 jωt-γx
where γ is the complex propagation constant, ω is the radial frequency, t is time and x is distance as before. In this way, α may be interpreted as the rate of decay of the envelope of the electromagnetic train as it propagates in the dielectric. β is related to the optical concept of the index of refraction of the medium. It is a measure of the retardation of the velocity of propagation
where n is the index of refraction, c is velocity of the propagation of light or microwaves in a vacuum, and v is the velocity of propagation in the dielectric.
α and β may be related to the microwave constitutive parameters of the medium-namely, the relative complex permittivity, K', and the complex permiability.
The complex propagation factors of alpha and beta may be related to the magnitude and phase of scattering parameter S21. The scattering parameter S11 is more sensitive to the interface formed by electrical impedance discontinuities than is the case for forward scattered fields. Since the interfaces are moving, the time domain behavior of S11 is a function of the movement of the interface and the corresponding electrical impedance discontinuity. The magnitude of the power wave reflection co-efficient is a function of the differences of dielectric properties for the two media comprising the interface according to simplified Fresnel equations for the case of normal incidence.
where K'1 and K'2 are the relative dielectric constants of the first and second propagation media, respectively.
The propagation constant itself is a time series when α and β are themselves functions of time. In fact, the propagation distance, x, is a function of time since the AP thoracic dimensions are modulated by respiration and cardiac volume changes. The bulk microwave constitutive parameters are time dependant since they represent a variable mixture of low loss tissues such as fat with high loss tissues such as blood. The variation is due to the change in dielectric mixture proportions and the separate constitutive parameters due to the change in blood volume with the cardiac cycle. Lichtenecker's logarithmic mixing rule applies as follows:
log[km ']=p1 log [k1 ]+p2 log[k2 ]
Thus, the log of the mixture permittivity is a sum of the log of the components weighted by their respective proportions. In this way the change in permittivity is multiplicative and the proportion is additive in the antilog domain. Based on prior art, an end diastolic left ventricular volume of 125 cc with a k' of 80, a left ventricular muscle volume of 40 cc with a k' of 55; and an end systolic volume of 25 cc with the same muscle volumes and permittivities is assumed, the contrast available for the two mixture conditions will be 73.15 for end diastole and 63.5 for the end systolic condition. The change in permittivity of about 15% corresponds to stroke volume (SV)
where EDV is end diastolic volume and ESV is end systolic volume. A related and useful method of expression is to normalize stroke volume by end diastolic volume to obtain ejection fraction (EF)
The predicted changes in complex permittivity as a function of time are a factor of 10 above the accuracy of measurement of scattering parameter S21 with the vector network analyzer.
Instrumentation is based on vector processing of coherent forward scattered fields. The central unifying element is the power scattering wave and Poytings vector. Both heterodyne and homodyne receivers for complex field amplitude may be used; but continuous monitoring of hemodynamic functions favors the homodyne method due to lower cost, smaller size, lighter weight levels and sensitivities that are available.
When measuring the power scattering wave, since biological dielectrics are heterogeneous in situ, the transmission loss is a result of reflection at interfaces, polarization loss, diffraction and simple attenuation. Similarly, the phase shift (with a 2 pi ambiguity) represents variation in path length due to scattering mechanisms as well as that due to beta alone.
The scattering parameter most effected by the time dependent blood volume changes is the bistatic scattering parameter S21. The monostatic scattering parameter S11 is more sensitive to wall perfusion/motion and less sensitive to path length or insertion loss than the bistatic system. Phase information present in the vector fields allows use of both the real and imaginary parts of S21 and S11 l , rather than only the modulus as was the case in earlier methods.
The instant invention differs from the conventional instrumentation in several ways. A single frequency source is used, switch selection of the full complement of two port scattering parameters is replaced by separate measurement of the magnitude of the return loss for S11 and only S21 CFAs are routed to the receiver; the S parameter test set is replaced by a high directivity directional coupler for the bank 900-930 MHz; the calibrated line stretcher is eliminated as the absolute value of the magnitudes and phases of the S21 is replaced by the relative values on a beat-to-beat basis in the time domain; and the CFA receiver is designed for substantially single frequency operation, portability, and throughput at physiologic rates with sensitivity and absolute accuracy as minor considerations. With respect to displays, the most pertinent physiologic parameter for cardiac hemodynamic applications is the time domain behavior of S21, rather than the frequency domain behavior in conventional network analysis; and finally, the signal processing is not directed toward vector error correction (since relative rather than absolute values are sought). Rather, the signal processing extracts hemodynamic features from the time domain behavior of S21.
As further examples of these differences, the output power and frequency of the signal source need not be highly stable, e.g., an LC tuned oscillator is sufficient for a homodyne CFA receiver. The microwave source output power varies with the measurement configuration and receiver sensitivity. In the case of monostatic systems with receivers of -50 dBm noise floor, sensor output powers in the range of 0 dBm are adequate. In the case of bistatic configurations with -60 dBm noise floors, output powers of 20 dBm are needed. Decreasing the receiver noise with the use of low noise amplifiers reduces sensor power requirements. Given ca 10 mW of incident power and 70 dB of loss, the signal level at the receiver should be ca -60 dBm. Operation at 915 MHz improves upon these results by about 10 dB due to the lower attenuation in the UHF band. The homodyne receiver is preceeded by a low noise amplifier. Signal processing extracts hemodynamic data such as the ascending and descending slopes, peak-to-peak amplitudes, and pulse integrals on a beat-to-beat basis.
Signal processing, after the CFAs are available as functions of time, consists of extracting the chronotropic and inotropic features such as heart rate and wave form features, respectively. The former is easily available by zero crossing or threshold detection and counting, but it is of little interest as cardiotachometry alone does not address hemodynamic features. The hemodynamic features are central to measures of iontropic effect. S21 is correlated with ventricular volume, based on prior art. Ventricular volume has at least two separable features that correspond to ventricular filling and ventricular ejection. The ascending slope corresponds to chamber filling and the descending slope corresponds to chamber emptying. The wave processing consists of peak-to-peak amplitudes, ascending slopes, descending slopes and pulse integrals. Peak-to-peak amplitudes may be digitally derived by thresholding and window search for zero slopes. Analog peak-to-peak processing may be performed continuously in real time. The more gradual ascending slope and the steeper descending slope correspond to chamber filling and chamber emptying. These functions may be performed by either digital or analog methods. Analog methods are faster and cheaper to implement, but digital processing is more accurate and more easily achieved.
The essence of all CFA receivers is vector processing by a complex ratiometer that describes the target response normalized to the incident signal. The microwave signal is divided into a test and reference channel. The test channel is taken from the receiving antenna placed on the precordium of the subject, while the reference channel is taken from the signal source used to drive the transmitting antenna placed on the back. The reference channel is used to normalize the test channel for transmitter variations. In the case of homodyne systems, the source is the "local oscillator" and source variations are tracked intrinsically. The complex ratio of the test and reference channels represent a physiologically modulated version of source signal after it is propagated through the chest to become the forward scattered field.
The requirements for portability of the CFA receiver leads to a homodyne design as the preferred embodiment, but a heterodyne design may be advantageous in certain cases.
In the case of the instant invention, the preferred embodiment is based on a 4 port homodyne receiver with primary emphasis on the phase of S21. The preferred methods of phase comparison are implemented by two types of circuits at UHF frequencies: lumped and distributed. The distributed circuit design is based on transmission line hybrids whereas the lumped circuit design uses transformers. In either case, quadrature mixing is employed to extract the in-phase and in-quadrature components of the forward scattered field. The phase/amplitude reference is supplied by a sample of the forward power from the transmitter. The test signal is the forward scattered field. Either the reference or the test channel is coupled into two balanced mixers via a sum/difference hybrid. The remaining signal is coupled into the remaining input ports of the double balanced mixer by a quadrature hybrid. In both cases, the unused port is terminated in a matched load. The two mixer outputs are voltage proportional to the in phase, VI, and in quadrature, VQ components k cos θ and k sin θ, respectively. These may be drive a polar display wherein both the vector magnitude, |S21 |=VI 2 +VQ 2, and the vector phase of S21, θ is the arctan (VQ /VI). Alternatively, the two outputs may be converted to a phase difference with a DC coupled resolver circuit for display of phase alone in rectangular co-ordinates.
The EKG is a useful adjunct to hemodynamic instrumentation. The EKG provides a timing function that provides not only heart rate, but also the events of ventricular depolarization. The essential characteristics of EKG instrumentation are well known to those skilled in the art.
The microstrip antenna is a critical part of the system since it is the transducer between the subject and the receiver. Its essential characteristics are light weight and conformability for low moment of inertia and close electromagnetic coupling, thin radome/passivation to prevent surface currents and fringing field/leakage effects, polarization control and acceptable impedance match to thoracic structures.
The patch antenna has many virtues due to its suitability for series production based on the photolithographic methods of construction. In the instant invention, these virtues of the antenna are important, but are overwhelmed by the ability to make a nearly conformal antenna to provide a close fit to the chest and back when supported in an equipment vest, and to be of light weight with small volume. The last of these advantages is important not only for portability, but also to insure consistent contact, i.e., close coupling, of the antenna to the chest in the presence of subject movement. Thus, low inertia is a primary design goal. The microstrip UHF design on a substrate of k'=10.5, 50 mil thick, 7" long and 2" wide weighs 45 grams with surface launch fee to coax cable.
Patch antennas are characterized by a ground plane with a dielectric upon which a patch radiating element and feed network are preserved after photolithographic etching removes the remainder of the upper conductor. The patch and the ground plane form the boundaries of a thin, dielectrically loaded cavity.
Conscious integration of the feed and antenna aperature is accomplished in a traveling wave antenna. These are also capable of fabrication in microstrip with better impedance match and polarization control over a large aperature than what is possible with thin patches.
Passivation is employed to prevent ionic surface currents. This is accomplished with thin (5 mil) polystyrene or polyethylene sheets enclosing the antenna.
The preferred polarization is vertical whether on the back or precordium. In the PA configuration, a precordial location for the receiving antenna at the left sternal border and centered on the fourth or fifth intercostal space gives the best performance. The transmitting antenna is placed on an anterioposterior line from the receiving antenna and parallel to the spinal column thereby copolarized with the receiver antenna. The antennas should be gradually bent to conform to the contours of the subject. The antennas are passivated by low loss low k' flexible, dielectric sheet such as 10 mil polystyrene.
Measurements of the vector scattering parameters S11 and S21 were made at 915 MHz in human volunteers.
Vector measurements in the bistatic configuration disclosed the importance of antenna polarization/placement and provided confirmation of the importance of the phase of S21 l, as well as needed transmitter power vis a vis the receiver noise floor. Microstrip antennas were used. Cross polarization of the transmitting and receiving antennas disclosed depolarization. Small changes in the copolarized magnitude of S21, in the order of 1 dB peak-to-peak over the cardiac cycle were observed with the recommended antenna placement. The copolarized phase of S21, however, is a far mor robust parameter with peak-to-peak changes of nearly 30 degrees over the cardiac cycle using the same antenna placement. The phase change also was less corrupted by breathing when a simple two pole high pass filter at 0.5 Hz was used.
Vector measurements in the monostatic configuration disclosed the importance of antenna polarization with respect to mediastinal structures and provided confirmation of usage guidelines with respect to antenna placement and transmitter power vis a vis the receiver noise floor. The peak-to-peak excursion in magnitude of S11 was less than 1/4 dB and very susceptible to noise from breathing. The use of simple high pass filtering was not effective in suppression of respiration signals in the amplitude channel, but it did produce benefit in the phase channel. Peak-to-peak changes in the phase of S11 was also more susceptible to breathing artifact than was the phase of S21.
These results tend to confirm the analysis performed in the section on dielectric analysis of mediastinal structures. Vector analysis does provide useful, additional information of phase angle as well as magnitude of the insertion loss. The information on electrical path length provided by the phase data provides discrimination of multiple scattering. Vector analysis assists the extraction of hemodynamic indices since electrical path length emphasizes the real part of the complex permittivity whereas the imaginary part is emphasized in attenuation measurements.
This invention provides a method and apparatus for cardiac hemodynamic monitoring which includes portable UHF receivers, transmitters, and flexible antennas utilizing noninvasive means for detecting cardiac hemodynamic properties through microwave propagation.
A further objective of this invention is to provide values of the magnitude of the power scattering wave parameter S21, and the phase angle of S21, as a function of time on a heartbeat by heartbeat basis to determine heart stroke volume, diastolic reserve, systolic reserve, chamber filling rate and chamber emptying rate.
Further objectives and advantages of this invention will become more apparent in light of the following drawings and description of the preferred embodiments of the invention.
FIGS. 1a, 1b and 1c are the top, side and cross-section views, respectively, of the preferred embodiment of the invention showing a patch transmitting antenna;
FIGS. 2a, 2b, 2c, and 2d are the top, side, cross-section, conductor views, respectively, of one configuration of the preferred embodiment of the invention showing traveling wave receiving antenna;
FIG. 3 is a perspective which illustrates the placement of the receiving antenna for the preferred embodiment of the invention;
FIG. 4 is a functional block diagram of the preferred embodiment of the four port hemodyne receiver;
FIG. 5 is a graphic illustration of the ventricular volume on a pulse by pulse basis under stress conditions;
FIG. 6 is a circuit topology for analog peak-to-peak detection of the detected scattering wave parameter, S21 l;
FIG. 7 is an illustration of the vest for mounting the transmitting and receiving antennas on a patient.
Referring to the drawings, FIGS. 1a-1c generally depict a typical transmitting antenna 32. It is comprised of a thin patch radiator 34, a surface launch feed 36, a flexible dielectric (nominal k'=10.5) substrate material 38, and a ground plane 40. The ground plane 40 is removed in a circular opening 42, concentric with the inner conductor of the coax feed. The circle is not smaller than the diameter of the insulation material 44 of the coax feed. The bolt pattern 46 serves not only the purpose of mechanical attachment to the flange 56 of the surface launcher 36, but also to control mode structure in the dielectric substrate 38 of the antenna. The exact position of the feed point 36 made by the noncaptured center conductor pin 54, on the patch 34 is used to tune the antenna to the feed. The width 48 of the patch is based on the effective dieletric constant of the dielectric substrate. The target value of impedance of the patch is 50 ohms and its length, 57, is one half wave in the dielectric. This places the peak of the electric field in the center of the patch. The antenna 32 is passivated by a thin coating 58 of dielectric material.
In FIG. 2a-2d, the receiving antenna 60 is comprised of a thin traveling wave microstrip antenna 62, a surface launch feed 64, a flexible dielectric substrate material 66, and a ground plane 68. The ground plane 68 is removed in a circular opening 70 concentric with the inner conductor of the coax feed. The opening 70 is not smaller than the diameter of the insulation material 74 of the coax feed cable since the dielectric constant of substrate 66 is greater than that of the insulation material 74. The bolt pattern 76 serves not only the purpose of mechanical attachment to the flange 78 of the surface launcher, but also to control mode structure in the dielectric substrate 66 of the antenna 60. The conductor pattern 62 is a 50 ohm rampart line with the length 80 and width of the steps equal to one quarter wavelength in the effective dielectric constant of the substrate 66. The corners of the line 62 are mitered to 45 degrees. This, in combination with the step dimensions 78 and 80, produce a vertically polarized pattern. The line 62 is terminated in a microstrip load 82 which is counter sunk 84 into the substrate material 66. The load is attached to the line 62 by means of the tab 88 of matching width. The load 82 is grounded by means of a stud 86 extending through the substrate material 66 to be mechanically fixed to the ground plane 68 via a nut and lock washer 89. The transmitting antenna is placed to the left of the spinal column in line with the receiving antenna 60.
Referring to FIG. 3, the recommended placement of the receiving antenna 60 for the posterioanterior projection is shown. The feed point 64 of the line 62 is at the intercostal space between the first rib 90 and the second rib 92. The termination 82 is generally over the epigastrium 96. The antenna 60 is placed off the left lateral margin of the sternum 98 and vertically copolarized to the transmitting antenna, i.e., cross polarized with the rib cage 99.
In FIG. 4, the preferred embodiment of the four port homodyne receiver 100 is depicted. The transmitting antenna 32 and receiving antenna 60 are shown in the PA projection. The antennas are connected with a vest V worn by the patient as shown in FIG. 7. The transmitter 101 is comprised of a nominal 10 milliwatt oscillator 102, a level set attenuator 104, and a medium power amplifier 106 with 20 dB gain and output power of 20 DBm. A circulator 108 and a load 110 are included to prevent damage to the transmitter if the antenna is not closely coupled with the subject. A reflectometer 112 is used to measure the magnitude of S11 to guide operation of a tuner 114 such that a 10 to 20 db return loss is achieved. Detected samples of the incident 140 and reflected power 141 are processed in a log ratio amplifier 143 to display the magnitude of S11 on a display 144. The receiving antenna 60 is vertically placed on the left precordium as in FIG. 3. Its output is amplified by a low noise amplifier 116 of nominal 10 dB gain. The amplified forward scattered field is reactively divided by divider 117 to the receiver and the log magnitude S21. The receiver begins with a high isolated quadrature hybrid 118, the unused port of which is terminated in a matched load 120. The zero and 90 degree phase shifted outputs 119 and 121 of the quadrature hybrid 118 are applied to the RF ports of two balanced mixers 122a and 122b with DC coupled intermediate frequency ports (IF) lines 130 and 132. Mixer spurious response are terminated in a diplex-type filter 124. The "local oscillator" or reference inputs 123 and 125 to the two mixers 122a and 122 b is supplied by a 0/180 hybrid 126 the unused port of which is terminate in a matched load 128. The level to hybrid 126 is set by attenuator 127. Input to 0/180 degree hybrid 126 is a sample of the forward power 140 used to drive the transmitting antenna 32. This provides a phase and amplitude reference for the receiver. The outputs 130 and 132 are suitably amplified 129 and 131 prior to input buffer 136. The two outputs 130 and 132 proportional to sin and cos θ, respectively, are DC levels proportional to the in phase and in quadrature (sine and cosine) components of the forward scattered field. The magnitude may be taken from detected samples of the incident 140 and transmitted powers 142 and detected then log ratio amplified in 145 for display of the magnitude of S21 by 147. The phase of S21 is determined by the use of a DC coupled resolver to digital converter 134 after input buffering 136 and displayed on digital meter 150 after binary to BCD encoding 138. An indicator display is based on light emitting diodes 151 in each output line of the converter 134. The LEDs are in order from least significant bit, 0.0879 degrees, to the most significant bit, 180 degrees. Thus, the length of the light string in bit order gives a bar graph type of display that is intuitively interpretable.
Conventional instrumentation for the measurement of scattering parameters consists of the signal source subsection and, the vector network analyzer or complex field amplitude (CFA) receiver. The interface between the two is the S parameter test set. The S parameter test set serves as a broad band RF power divider, directional coupler, line stretcher and double pole coaxial RF switch to allow remote selection of S11 or S21.
In FIG. 5, a plot of the ventricular volume 298 on a pulse by pulse basis is shown. Conditions of sympathetic stimulation and/or parasympathetic inhibition are present. The ventricular stroke volume 304 is increased due to both diastolic reserve 310 and systolic reserve 312. The features extracted in the signal processing steps are as follows:
Peak-to-peak amplitude 304, filling rate 300, ejection rate 302 and integral (shown by the shaded area) 306. The difference 317 is a stimulation response drawing upon the diastolic reserve 310. The difference 315 is a stimulation response drawing upon the systolic reserve 312. The residual volume 314 is systolic reserve not available to increase stroke output.
FIG. 6 is a circuit topology 290 for analog peak-to-peak detection of S21. It is based on the use to two sequential sample and hold amplifiers 270 and 272 for peak detection. The magnitude of S21 as a function of time serves directly as the imput 280 to peak detector 270 and after inversion by operational amplifier 274 to the input of the second peak detector 272. The peak detector outputs 282 and 284 are applied to a differential amplifier 276, after peak detector output 284 is inverted by operational amplifier 275. Status output 278 indicates updating of the tracking sample and hold.
|Cited Patent
|Filing date
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|Jan 19, 1981
|Nov 23, 1982
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|Multichannel homodyne receiver
|Jun 1, 1984
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|Bahl, "A Microstrip Antenna for Medical Applications", IEEE MTT-S International Microwave Symposium Digest, Washington, D.C., U.S.A., (May 28-30, 1980), pp. 358-360.
|Bahl, A Microstrip Antenna for Medical Applications , IEEE MTT S International Microwave Symposium Digest, Washington, D.C., U.S.A., (May 28 30, 1980), pp. 358 360.
|Iskander et al., "An Electromagnetic Energy Coupler for Medical Applications", Proceedings of the IEEE, vol. 67, No. 10, Oct. 1979, pp. 1463-1465.
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|Pedersen et al., "Microwave Reflection and Transmission Measurements for Pulmonary Diagnosis and Monitoring", IEEE Transactions on Biomedical Eng., vol. BME-25, No. 1, Jan. 1978, pp. 40-48.
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|U.S. Classification
|International Classification
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Effective date: 19940522


text:
I'll be attending the 9:00am service this coming Sunday (Nov 25th) @ Calvary Community Church. Anyone who would like to join me is more than welcome! We'll be meeting in the atrium area about 8:45, and sitting in the main sanctuary. Hope to see everyone there!
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text:
Studio i hjärtat av Latin Quartier
Storlek24 m²
Våning Nr.1
- Familje-/barnvänligt
- Kök
- Husdjur tillåtna
- Tvättmaskin/torktumlare
- Tv
- Internet/WiFi
- Handdukar
|Rue St-Sévérin, 75005 Paris, Frankrike
|Typ av bostad
|Fastighetens ID
|Inom några timmar
|Kalender uppdaterad
|6 dagar sedan
|Check-in efter
|Enligt arrangemang
|Check-in före
|Enligt arrangemang
|Utcheckning före
|Enligt arrangemang
We were so in Love with this cosy little apartment!
Everything you need is in there and it's really neat the shopping street!
Just a few meters from the arc de triomphe and a few minutes to a supermarket!
We'd love to come back again!
Thank you Tony!
Very clean, nice and cuddly Apartment!
Excellent place very friendly support.
I highly recommend this aptment for rent.
Very good location and clean! It would have been perfect if it wasn't for the wifi not working, which i am sure Tony will take care of. I recommend it!
A wonderful apartment. Tony is a really great host, everything was organised and he communicated really well. Great location. Comfortable bed. Highly recommended. Thanks.
Everything was okay. Contact hassle-free. Apartment nice and clean. Overall I would recommend.
A wonderful little apartment with an excellent location. There was great communication with the owner after booking and I really appreciated the booklet of useful information and tour book of Paris which was left. My only niggle was that the wifi did not seem to work and I struggled to get the tv to work too.
We had a very nice stay in this apartment. The metro station "République" is very near and there is a lively feel-good-surrounding at the "Canal St. Martin". The apartment is in a court, so we had a quiet night in a comfortable bed. Everything was clean, even towels were given and there was a bakery round the corner and a coffee machine available. What else do you need? Thank you Antoine for the friendly and uncomplicated contact.
Great location and very clen
Our stay at Antoine's Marais apartment was wonderful! It was clean, the beds were comfortable and it was in a fantastic neighbourhood of Paris. We walked to Notre Dame Cathedral less than 10 minutes away and on from there! Highly recommended.
- Kvalitetssäkrat boende
- Varje värd verifieras över telefon
- Säker betalning med SSL-kryptering


text:
Adam Brody and Leighton Meester have been married since Feb 2014. [view couple]
Adam Jared Brody (born December 15, 1979) is an American film and television actor and musician. He is best known for his role as Seth Cohen on The O.C. Brody has co-starred in many films, including Mr. & Mrs. Smith, Thank You for Smoking, Jennif...er's Body, In the Land of Women, Cop Out, and Scream 4.
Connect any celebrity with Adam Brody to see how closely they are linked... romantically!
Adam and Leighton are so cute together!
i like this actor alot he is so cute
I wantRachel bilson She so hot/''''
he should be far more famous than he is, and he should still be with Rachel Bilson, end of story!
I don't understand why he didn't become huge after the O.C. I loved him in that and think he's such a brilliant actor.
He deserves to be more succesful!! He's good... I don't understand why he's not doing movies 24/7
He was the only reason to watch the OC, and he's finally started doing movies again!
Looks like he is getting more into things again
I wish I got to see him work more..
Adam you are a great guy pls keep it up
the inventor of chrismahanukwanzakah. oh do i miss thee


text:
SBIR Phase I: Novel Biosensor for Monitoring of Theophylline using Personal Glucose Meter
Award Information
Small Business Information
GlucoSentient, Inc.
60 Hazelwood Drive, Champaign, IL, 61820-0000
Principal Investigator:
Tian Lan
(217) 487-4087
(217) 487-4087
Business Contact:
Tian Lan
(217) 487-4087
(217) 487-4087
Research Institution:
AbstractThis Small Business Innovation Research Phase I project aims to develop a new technology to utilize ubiquitous personal glucose meters (PGMs) for inexpensive and convenient at-home tests of the drug theophylline. Theophylline has been widely used to treat asthma and chronic obstructive pulmonary diseases. It has a narrow effective range and adverse side effects when overdosed, thus frequent test of plasma theophylline are recommended for patients using this drug. The technology in this project converts plasma theophylline into glucose quantitatively by a theophylline-triggered enzymatic reaction, so theophylline is monitored through glucose detection by inexpensive and convenient PGMs. The broader commercial impacts of this research are more convenience and lower costs for therapeutic drug monitoring. In the era of personalized medicine, the dosage of a drug is as important as the drug itself. Many other drugs are similar to theophylline in terms of narrow effective ranges and adverse side effects when overdosed. Currently, testing levels for these types of drugs requires hospital visits and blood draws, which are inconvenient, time consuming and costly. The proposed innovation here can also be translated to measure other drugs' concentrations more simply, quickly and cheaply. The innovation proposed here can be used for drug monitoring in general which will have great impact on the quality and affordability of healthcare worldwide.
* information listed above is at the time of submission.
An Official Website of the United States Government


text:
When a rule triggers locally on a machine, it should generate an alert and send it to the Event Console. There may be abnormal circumstances, however, that could prevent the alert from appearing, or being processed by, the agent or the Event Console. Suspicion can be validated by referring to the following file, located on the monitored resource:
Windows x86: [Symantec Management Agent install path]\Altiris Agent\Monitor Agent\RuleState
Windows x64: [Symantec Management Agent install path]\Altiris Agent\x64\Monitor Agent\RuleState
UNIX/Linux: [Symantec Management Agent install path]/notification/monitor/var/RuleState
The RuleState file contains all currently triggered rules for that resource by rule GUID. The rule GUID can be looked up by searching the Monitor Agent's Config.xml file, also located in the Monitor Agent installation path. Currently triggered rules in the RuleState file should have a corresponding alerts in the Event Console.
The exact cause is currently unknown.
Some causes can be:
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text: 50 Things You Didn't Know About 50 Cent By Insanul Ahmed Insanul Ahmed is an Editorial Producer for Complex. Follow him on Twitter @Incilin Share Tweet 0 An early version of the beat to "If I Can't" appears in Dr. Dre's Coors Light ad. Image via Instagram/50 Cent Peep the ad here. Watch Now Tags: Lists, 50 Cent, Things You Didnt Know Like Follow Chat SIGN UP FOR OUR NEWSLETTER Enter Show Comments


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Buy a ticket for chance to win cash
Published: Wednesday, April 20, 2011 at 11:54 a.m.
Last Modified: Wednesday, April 20, 2011 at 11:54 a.m.
Holy Savior Catholic Church news
Raffle: Officials with Holy Savior Catholic Church are selling $25 raffle tickets. Drawings are scheduled on the first Sunday of each month after the 10 a.m. Mass. The first drawing is set for July 3. The top prize will be $1,000. Each month after, the drawing will be for $250 and the last drawing, set for June 3, 2012, will be for $1,500. Tickets are available at the rectory and from any member of the church's fundraising committee. Tickets will be sold after all the Masses on the last weekend of each month, with the exception of Easter weekend.
Sympathy: Messages of sympathy are extended to the family and friends of Ernest "Poncho" Eschette who died recently.
Registration: Registration for religion classes and vacation Bible school has begun. The deadline for religion class registration is May 31. The deadline for vacation Bible school registration is June 6. For information, call the rectory at 532-3533.
Spring fling: Singles Enrichment Ministry is a gathering for all single adults whether single by choice or circumstance, for those who have lost a spouse through death or divorce and also for those who have never married. The event, scheduled from 6:30 to 8:30 p.m. May 6 at the Diocese of Houma-Thibodaux's Pastoral Conference Center, 2779 La. 311, Schriever, will feature a potluck dinner. You must RSVP. Bring your favorite dish to share. The event is free, and music and refreshments are provided. RSVP by May 4.
Shrine: A healing Mass with the Chaplet of Divine Mercy prayed after the Mass is scheduled for 1 p.m. May 1 at St. Mary's Assumption Church, 919 Josephine St., New Orleans. The Mass will feature the sacrament of anointing on Divine Mercy. For information, call 504-525-2495 or 525-2499.
Retreat: A married couple's retreat is scheduled from 9 a.m. May 21 to 1 p.m. May 22 at St. Joseph Abbey Christian Life Center in Covington. The theme for the retreat is "Nourished and Cherished" and will be lead by Deacon John and Linda Pippenger, Scott and Jill Cabes, and Paul and Kat Metzler. To register, call Jason at 504-830-3716 or visit www.faithandmarriage.org.
Reader comments posted to this article may be published in our print edition. All rights reserved. This copyrighted material may not be re-published without permission. Links are encouraged.


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Decimal Degrees:
Latitude: 39.3201879
Longitude: -119.8096307
Share your comments and photos of Buckeye Mill, a Locale in Washoe County, NV
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Cemetery: Whispering Pines Cemetery
Flat: Thomas Meadows
Gap: Mount Rose Summit
Lake: Hidden Lake , Joy Lake , Grass Lake
Locale: Sky Tavern Ski Area , Galena Creek Fire Station , Buckeye Mill , Manhattan Mill , Minnesota Mill , New York Mill , Norths Mill , Mount Rose Highway Maintenance Station , Callahan Ranch , Camp Fire Girls Camp , Mount Rose Ski Area , Slide Mountain Ski Area , Thomas Sawmill (historical) , Caldwells Mill (historical) , Mount Rose Campground , Atchison Mill (historical) , Galena Creek Guard Station (historical) , Boy Scout Camp
Park: Galena Creek County Park , Davis Creek County Park
Populated Place: Washoe City , Sundown Town
Post Office: Washoe Post Office (historical)
Reserve: Mt. Rose Wilderness
School: Galena Creek School (historical)
Stream: Jones Creek , Davis Creek , Winters Creek
Summit: Slide Mountain , Washoe Hill , Chocolate Peak
Tower: KZAK-FM (Incline Village) , KRNO-FM (Reno) , KREN-TV (Reno) , KIIQ-FM (Reno) , KOLO-TV (Reno)
Valley: Whites Canyon
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Trains! (Paperback)
Usually Ships in 1-5 Days
A Step 3 reader introducing trains of all shapes and sizes doing what they do best: hauling freight, carrying passengers, and zooming at speeds close to 400 miles per hour Readers will encounter the Jacobite a Scottish train that plays the Hogwarts Express in the Harry Potter films. They will learn about the great steam locomotives that crossed the United States, joining east and west in 1869. And they will learn about the different technologies steam, diesel, electric, and electromagnetic that continue to make trains an important part of our modern world. Illustrated with full color and black & white photos.
Step 3 readers feature engaging characters in easy-to-follow plots about popular topics for children who are ready to read on their own.
About the Author
SUSAN E. GOODMAN is the author of more than thirty nonfiction books for children, including "How Do You Burp in Space?"; "See How They Run: Campaign Dreams, Election Schemes, and the Race to the White House";"All in Just One Cookie", an ALA Notable Book; and "On This Spot", a "Washington Post "Top Picture Book of the Year. She lives in Boston, Massachusetts.
Susan E. Goodman and Michael J. Doolittle have collaborated on the Step into Reading title "Choppers! "and the Ultimate Field Trip series, among other nonfiction titles.


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Patriot Xporter XT Boost 8GB USB 2.0 Flash Drive (PEF8GUSB)
|$59.99 & FREE Shipping
- Enter your model number to make sure this fits.
- The XT Boosts are on FIRE with Blazing Read Speeds of up to 200x
- Ultimate Survivor of Extreme Conditions, Shock Proof, Washing Machine Proof, Dirt/Dust proof
- Durable water and shock resistant housing
- Compatible with Windows 7/Vista/XP/2000/ME, Linux 2.4 and later, Mac OS9, X and later
- 5 Year Warranty
Customers Who Viewed This Item Also Viewed
Product Description
Product Description
The drive--which is Hi-Speed USB 2.0 compatible (and is backwards compatible to USB 1.1)--is backed by a lifetime warranty.
The 8 GB Xporter XT Boost USB flash drive offers speeds of up to 200x.
- Type: USB flash drive
- Capacity: 8 GB
- Image storage: 7,002 images (3 megapixels), 3,225 images (5 megapixels), 2,695 images (6 megapixels)
- MP3 storage: 9,096 minutes (128 kbps), 6,824 minutes (160 kbps)
- WMA storage: 10,496 minutes (96 kbps), 8,024 minutes (128 kbps)
- Movie storage: 1 movie (DVD .iso, 4.7 GB)
- Driverless compatibility: Windows Me, 2000, XP, and Vista; Mac OS 9.x, OS X, and higher; Linux with USB storage support
- Dimensions: 2.9 by 0.75 by 0.43 inches (W x H x D)
- Weight: 0.5 ounces
- Warranty: Lifetime
All Patriot Memory products are designed to respond quickly and intelligently to the rapid changes inherent in the technology sector. This commitment to R&D helps Patriot deliver the best-quality memory modules powered by the latest innovative technology. The company's manufacturing process begins with high-quality components and ends with rigorous functional testing to ensure each module's reliability and compatibility. Patriot Memory modules are approved by such leading motherboard and system manufacturers as Intel, Tyan, Supermicro, and Iwill. Patriot is also a member of the Apple Developer Connection, and has earned awards from such leading product review sites as XBit Labs, Anandtech, Tom's Hardware, and Hot Hardware.com.
About Patriot Memory
Established in 1985, Patriot Memory builds a full range of memory module and flash memory products, including Extreme Performance (EP), Signature Lines (SL), and Flash Memory (FM) solutions. The company--which has sales offices located throughout the U.S. and Asia, along with distribution channels throughout North America, Europe, Asia Pacific, the Middle East, Africa, and Latin America--is dedicated to becoming the vendor of choice for the computer and consumer electronics industries, with a commitment to service and quality that exceeds all other brands. Headquartered in Fremont, California, Patriot Memory maintains state-of-the-art manufacturing facilities in both Fremont and Taipei, Taiwan.
Customer Reviews
Top Customer Reviews
I will update my review on the cap status in the future since most rubber caps loosen with age and this one is a pocket gripper. I may epoxy a little leash on it to the body.
Reading so many of these reviews does not help in purchase decisions. Frankly, they drive me nuts. "It was so fast!" "It was so much faster than my old drive!" "Some people are too scientific." "It booted immediately on my Windows... (version)/Mac [computer]." (Please do not take any of these comments as personal attacks on your reviews. I have been hammered in past professional writing to ensure I provide hard, substantive data for any statement I make.)
Can I please have objective data to assist in my purchase decision? The first thing I do is benchmark when I receive a flash drive or flash card. I have returned fakes, counterfeits, and below spec units. Formatting new drives appropriately upon receipt is a smart decision, since it removes any crapware from the manufacturer and any viruses a disgruntled employee could have placed. (Does anyone remember the WordPerfect employee who knew he was going to be fired back around 1990?) Although not a Mac user. I use flash drives for Windows Vista/7 and Linux OS purposes.
Flash "class" is based on write speed. I have included a conversion table toward the end of my review. I am sorry I forgot to specify sequential write testing for my benchmarks. To increase accuracy and reduce extraneous hardware reductions in test results, I do not use USB extension cables and clean format the flash for each test.Read more ›
Upon opening the drive from its packaging I inserted it into my USB drive right away and both my Vista machine and my Windows XP machine recognized it immediately. There was no formatting or configuration required. I'm not sure how it would react to a Mac.
My biggest concern with a drive like this is losing the cap. For example, if you put the drive on your keychain and stick it in your pocket the cap will eventually come off of the drive in your pocket, or while you take your keychain out of your pocket, or while the drive hangs from your vehicle's ignition. It's also common, at least for me, to forget where I put the caps. In consideration of a potential future lost cap I emailed the manufacturer's customer service department and asked them for extra caps and I received 2 additional caps about two weeks later free of charge. To me, that's customer service.
Overall the drive seems reasonably rugged. It's encased in rubber so I suspect that's what the manufacturer was going for. I'll modify this post if the drive ever craps out on me but for now I'm very satisfied with it - especially when compared to other thumb drives I've owned.
-When it did work it transferred very quickly
-Rubber casing makes it seem like it is pretty durable and can stand being on a keychain or in a pocket without issue
- Stopped working after a few months
- Patriot wanted the original package to rma it, but the original package is ripped and destroyed when trying to open it.
EDIT - Raised to 3 stars because the replacement has been working fine for almost two years now. First one that I received was just a bad one and dealing with Patriot was a hassle because requesting the original packing for a bubble package was ridiculous.
Pros: Fast. Reliable. Small. Lightweight. Rubber housing semi-weather proof and feels fairly durable.
Cons: Only one small complaint. It would be nice if the cap was attached by a small rubber strip to keep the unit together as one piece. Otherwise you have to slide it on the back of the drive or set it aside which is easy to loose if you don't pay atttention.
Customer Images
Most Recent Customer Reviews
Reliable and solid. It's a great little storage unit. No problems whatsoever.Published 3 months ago by J. Frost
Lasted about 2 years. Between the cap and the housing, All came apart. Never failed even broken apart. Great Speed for 2.0Published 3 months ago by freereview
I have use 3 Patriot sticks of different sizes for several years and have not had any issues. All continue to work and seem reasonably fast. Also like the feel and plug cap.Published 8 months ago by Larryorhi


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Hotfrog Australia provides information regarding Karl Holdsworth The Good Guys in Blacktown NSW. Karl Holdsworth The Good Guys is located at Shop 17 Homebase Shpng Cntr 19 Stoddart Rd, Blacktown NSW 2148 and provides Electric Appliance Rental Service services. Contact them on (02) 98967488.
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Hollywood Beach Resort Cruise Port
Hollywood Beach Resort Cruise Port
Hotel Guest Rating: 4.8/10
101 North Ocean Drive
Hollywood, FL 33019
Welcome to the Hollywood Beach Resort Cruise Port
An Art Deco-style oceanfront hotel offering an outdoor pool and rooms with kitchenettes, the Hollywood Beach Resort Cruise Port is a launching pad for enjoying the Florida sunshine.
Hotel Features
Built in 1925, the historic Hollywood Beach Resort remains a beacon in the heart of the Fort Lauderdale action. Today, the Art Deco-style property features 250 rooms with period furniture and kitchenettes with coffeemakers, microwaves, refrigerators, pots, pans and utensils. Irons with ironing boards, clock radios, hairdryers and TVs with premium cable are also on hand, and guests can connect with Wi-Fi throughout the property. Antique tin ceilings in public spaces nod to its historic past. Other amenities include a heated outdoor pool and hot tub overlooking the sparkling, ever-warm Atlantic Ocean, as well as a variety of restaurants, shops and services on its first and second floors. Complimentary shuttle service to the airport and cruise ship terminal is available. Other perks, available for an an additional daily fee, include include an on-site fitness center and daily newspapers. Non-smoking rooms can be requested, and covered parking is available for a fee.
Hotel Location
The Hollywood Beach Resort is situated at the southern edge of Port Everglades Cruise Port on Hollywood Beach, about three miles south of the Hollywood Boardwalk beachfront promenade and midway between Fort Lauderdale and Miami Beaches. The hotel is 30 minutes from Miami's South Beach district. Fort Lauderdale-Hollywood International Airport is less than seven miles away.
Guest Favorites
Priceline guests point to the great location, accommodating staff and pleasing beachfront pool during stays at Hollywood Beach Resort Cruise Port in Fort Lauderdale.
- Outdoor pool
- Fitness centre
- Business centre
- Valet parking
Hollywood Beach Resort Cruise Port Amenities
- 24-hour front desk
- Air conditioning
- ATM/cash machine on site
- Bicycle rental
- Bridal suite
- Business centre
- Canoeing
- Car hire
- Casino
- Concierge service
- Currency exchange
- Diving
- Dry cleaning
- Family rooms
- Fishing
- Fitness centre
- Free WiFi
- Gift shop
- Golf course (within 3 km)
- Hot tub/jacuzzi
- Laundry
- Library
- Lift
- Luggage storage
- Massage
- Meeting/banquet facilities
- Newspapers
- Non-smoking rooms
- Outdoor pool
- Outdoor pool (all year)
- Private parking
- Safety deposit box
- Shops (on site)
- Snack bar
- Snorkelling
- Swimming pool
- Tour desk
- Valet parking
Hotel Information
Service charge includes the following:-Fitness centre access-Daily newspapers-WiFi access-Towels-En suite safe-Cable TV with Showtime-Local calls-Fax servicesFree airport and cruise port transfer services are available for stays of 3 nights or more between 07:00 and 22:30. Contact the hotel for additional details. Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.
Hotel Guest Reviews of the Hollywood Beach Resort Cruise PortOur hotel ratings and reviews are from real hotel guests. Priceline.com ensures that its reviews are guests-only by proactively sending hotel surveys to customers after they've completed their hotel stays. In the post-stay surveys, priceline.com hotel customers are asked a number of questions about their stay and the hotel. On a scale of 1-10 with 10 being the best, the survey asks guests to rate their overall experience and specifically rate the hotel's cleanliness, staff and location. Priceline.com does not allow site visitors to post unsolicited hotel reviews.
July 23, 2016
This guest did not leave comments about this hotel.
June 23, 2016
June 22, 2016
June 2, 2016
May 26, 2016
May 25, 2016
Family Traveling with Teens
May 17, 2016
April 28, 2016
Solo Traveler
This guest did not leave comments about this hotel.
April 25, 2016
April 20, 2016
This guest did not leave comments about this hotel.
(1 - 10 of 37 reviews)
- Historic Hollywood Beach Resort from $92 (0mi)
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- Club at Emerald Hills (4.8mi)
Most Popular Guest-Rated Hotels in Hollywood
- Diplomat Resort & Spa Hollywood, Curio Collection By Hilton
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- Hampton Inn & Suites Ft. Lauderdale/Miramar
Most Popular Business-Friendly Hotels in Hollywood
- Hampton Inn & Suites Ft. Lauderdale/Miramar
- Holiday Inn Express Hotel & Suites Pembroke Pines
- Wingate By Wyndham - Miramar
Most Popular Romantic Hotels in Hollywood
- Diplomat Resort & Spa Hollywood, Curio Collection By Hilton
- Hollywood Beachside Boutique Suites
- Marriott Hollywood Beach
Most Popular Family-Friendly Hotels in Hollywood
- Hampton Inn & Suites Ft. Lauderdale/Miramar
- Hampton Inn And Suites Ft. Lauderdale-Airport
- Villa Europa Hotel


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Women's Health
5 Diagnoses That Call for a Second Opinion
A medical diagnosis isn't always black and white. Indeed, it's often clouded by shades of gray. Some diseases begin with symptoms so subtle or common that they confound even experienced doctors. Other times, a patient knows exactly what's wrong but can't decide which treatment is best.
Enter the second opinion. It's never a bad idea to seek a second opinion, but if you receive one of these five diagnoses, it's practically a must.
Recommended Related to Women
By Jessie Knadler You didn't see it coming. You didn't even feel it land — until a split second later when you suddenly realize you've had the wind knocked out of you. What just hit you? Someone's nasty comment, and it's cut you to the core. Sometimes a faultfinder disguises her disapproval as a quasi-compliment: "I would have never had the courage to talk to my boss the way you did." Other times, a jab takes the form of a cautionary tale: "You're going on a cruise? I still get nightmares...
Read the How to Silence Your Critics article > >
1. Unusual or Hard-to-Diagnose Cancers
If you've been diagnosed with an uncommon cancer -- or if there's any question about whether it's truly cancer -- seek a second opinion from a pathologist who has expertise in diagnosing this type of malignancy. After all, the diagnosis will determine which treatment is best.
"There are certain kinds of tumors that provide a lot more difficulties in diagnosis," says John E. Tomaszewski, MD, FASCP, vice chairman of Anatomic Pathology-Hospital Services at the University of Pennsylvania School of Medicine. For example, sarcomas -- an uncommon cancer of soft tissues, such as muscle or fat -- can be complex to classify. "A general pathologist may not see a lot of soft-tissue tumors," he says.
Major medical centers that see larger numbers of rare or unusual tumors are often a better choice for a second opinion than a smaller hospital, according to John S.J. Brooks, MD, FASCP, president of the American Society for Clinical Pathology. "These folks that have very rare tumors, [a hospital] near them may only see very few," he says.
Getting that second opinion can help catch errors.
"Anytime there's uncertainty, it's always fine [to get a second opinion]," Tomaszewski says. "Pathology ... is like every other area of medicine. There are things that are very clear and things that are on the borderline."
2. ADHD in Children Under Age 6
With no specific lab test for attention deficit hyperactivity disorder (ADHD), the problem can be tough to diagnose accurately. A doctor's judgment comes into play; he or she may diagnose ADHD if a child shows hyperactivity, inattention, and impulsivity in at least two settings, such as home and school.
When a child under age 6 is diagnosed with ADHD, parents may want a second opinion from a specialist, such as a child psychiatrist, says Sara Rizvi, MD, assistant professor of pediatrics at the Baylor College of Medicine. That's because ADHD symptoms, such as too much talking or fidgeting, can overlap with behavior that's typical among young children.
Today on WebMD
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text:
Madoff Investors' Request for Compensation Rehearing Denied
A U.S. Court of Appeals denied a request by Bernard Madoff's investors for a rehearing on trustee Irving Picard's method of calculating who gets compensated for losses in the Ponzi scheme.
The investors asked for a new hearing after the appeals court in New York said in August that Picard can ignore fictitious profits on money Madoff never invested when calculating who gets paid. Today's ruling means the con man's investors can't file claims for their profits.
Madoff, 73, is in a federal prison in North Carolina, serving a 150-year sentence for the fraud.
The case is In re Bernard L. Madoff Investment Securities LLC, 10-2378, U.S. Circuit Court of Appeals for the Second Circuit (Manhattan).
Before it's here, it's on the Bloomberg Terminal. LEARN MORE


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|Message view
|« Date » · « Thread »
|« Date » · « Thread »
|"Shane Isbell" <shane.isb...@gmail.com>
|Resolving GAC Installed Assemblies
|Fri, 28 Dec 2007 04:02:28 GMT
I'm thinking about requiring GAC installed assemblies to have either provided or system scope. If the assembly follows versionless filenames, then it can use provided scope. If the assembly has a version in the file name (standard NMaven generated assembly), then it would be required to use a system scope and specify the assembly path. All the GAC installed assemblies would also have an implicit runtime scope, due to the nature of the CLR and its loading rules. This setup would allow users that require versionless assemblies to first do a gac install and then have the assembly available for compilation. Thoughts? Shane
|View raw message


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- Swimmer Ryan Lochte reveals one of his worst dates - US Weekly
- Get the latest on Dr. Dre's arrest - TMZ
- Despite rumors, Eddie Murphy's daughter is not pregnant - Gossip Cop
- The Vampire Diaries star Michael Trevino steps out for a good cause - Just Jared Jr
- Are Blac Chyna and Kylie Jenner on good terms? - Radar
- Blue Ivy is just as stylish as her mom Beyonce! - Lainey Gossip
- This Narcos star confirms he's not coming back for another season of the show - The Hollywood Reporter
15 August 2012 at 11:25 PM
Camilla Belle & Kate Upton: Samsung Galaxy Note Launch!
About this photo set: Camilla Belle, Kate Upton, and Kelly Osbourne attend the Samsung Galaxy Note 10.1 Launch Event held at Jazz at Lincoln Center on Wednesday (August 15) in New York… Read More Here
Photo #: 2702655
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