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Open Source Point of Sale
Open Source Point of Sale is a web based point of sale system written in the PHP language. It uses MySQL as the data storage back-end and has a simple user interface. **Active development and maintenance has been moved to github (see homepage link)** If you like the project, and you are making money out of it on a daily basis, then consider to buy me a coffee so I can keep adding features.573 weekly downloads
PHP Mini SQL Admin
extremely lightweight alternative to phpMyAdmin428 weekly downloads
Family Connections
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myPh3 elegant image gallery
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Xoops2 Torrent, Tracker/Announce Server
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WikyBlog : Wiki / Blog CMS
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An email client written in php that emulates the look and feel of the email client shown in the game after hacking into the terminal. The email client hosts a few augmentations that differentiate it from the game version including sending simple emails and replies, email expanding, deletion, draggable windows and customizable graphics.1 weekly downloads
A Simple Version Control System
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When the electromagnetic fields on the surface of a conductor can be supposed to be constant in a wide region compared with the skin depth, the impedance boundary condition can be effectively applied in the eddy current analysis. However, as the boundary impedance condition is not valid at the edge of the conductor, an eddy current analysis method by the boundary element method utilizing the impedance boundary condition is proposed. The eddy current far from the edge of the conductor is analyzed by a boundary integral equation approximated by using the boundary impedance condition and the eddy current near a edge is analyzed by the exact boundary integral equations without any approximation
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I am a novice with JavaEE but have some experience with ASP.NET MVC. With ASP.NET MVC, I know we can make a plugin architecture with ASP.NET MVC web app so you can make a dll with MVC structure and put it into the existing ASP.NET MVC web app to make it work without compiling the web app. http://www.wynia.org/wordpress/2008/12/05/aspnet-mvc-plugins/
I wonder if this kind of architecture is possible with Spring MVC. For example, when I make a jar (or war) file with MVC structure and put it into existing Spring MVC web app, it should work without recompiling the web app. If this is possible, how can I achieve that? Any reference would be appreciated.


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This is an extraordinary solid cherry sideboard with an interesting history. Commissioned in 1830 for the Creigh family in Lewisburg, West Virginia, it has continuously been in the same family since it was built. The family history states that during the Civil War, a musket ball hit the front door of the cabinet and left a mark from it. This beautiful sideboard measures 73 inches wide by 22 inches deep and 47 inches tall to its flat surface. We offer this impressive piece of American furniture for $3195.]]>
This is a lovely solid cherry pewter cupboard. Amish built and owned in 1790 in Altoona, Pennsylvania. This piece measures 40 inches wide by 22 inches deep and 75 inches tall. There is beautiful cutwork on the top, sides and bottom of this piece and it also has a pull out work shelf. We offer this fine piece of American craftmanship for $2795.]]>
This is a charming refinished pine table with scalloped edge and black turned legs. We offer this table for $795.
Also available are 4 black windsor chairs, two with arms and two without. These chairs are made by the Conant Ball Funiture Company of Gardner, Mass. We offer these chairs for $795.]]>
This Southern Pie Safe was found here in Knoxville and features 12 punched tin panels in a lovely flower pattern. It measures 44 inches wide by 16 inches deep and 50 1/2 inches tall. It is crafted in cherry and is from the late 1800s. We offer this piece for $3295.]]>
Here we have a great smaller sized oak roll top desk with the desirable S-curve. It is finished on all sides, so that it can site anywhere in your room. It measures 30 inches wide, 22 inches deep and is 42 inches at its tallest. We offer this lovely desk for $995.]]>
Southern chestnut corner cupboard with 12 original panes of glass. Circa mid 1800s, this piece is from an East Tennessee estate. It is in great condition and measures 42 inches wide and 76 inches tall. We offer this piece for $2495]]>
The Clinch River Spring Antique Fair is held annually on the First Saturday in May. The 12th Annual Spring Antique Fair will be held on May 7, 2016. Over 100 Antique Dealers come to Clinton's Historic Downtown to present a fantastic Antiques and Collectibles Show. Representing more than 5 States, the antique dealers line Market Street and its side streets and alleys. The Fair is held from 9 am – 5 pm, rain or shine and is one of the best one-day antique shows in East Tennessee. An antique car show is also featured during Saturday's Fair. On Friday evening May 6, 2016, there will be a kick-off party from 6 pm – 9 pm with food and live entertainment.
Clinton's 20+ antique shops remain open for late night shopping in the Downtown Historic District on Friday with many local food vendors set up adjoining the entertainment in the Park. During Fair weekend, the antique shops will all be open for Sunday shopping from 1 pm – 5 pm for those folks who want to shop in a "less crowded" atmosphere or to be able to pick up the larger items that they purchased on Saturday. Come join in the fun for an incredible weekend of antiquing!
ATTENTION ANTIQUE DEALERS: if you are interested in booth space at this fair go to www.historicclintonsantiques.com/fair for more information.
A good quality, beautiful sounding Mandoline Expressive antique cylinder music box by Paillard of St Croix, Switzerland. The movement plays 8 tunes with an excellent tone on the 92 tooth comb with its doubled tip so that the affect sounds like a mandolin. The case is rosewood with a beautiful floral inlay to the center of the lid. These music boxes are becoming rarer to find in good working condition. We offer this music box for $1995.
Crafted in oak and poplar, with its original red paint and dovetailed top, this circa late 1800s primitive cupboard would be a great kitchen work surface or serving buffet. It has 3 drawers & two shelves below for storage and measures 53 1/2 x 33 1/2 x 38 inches high. With origins in central Ohio, we offer this piece for $1295.
This is a rich mustard gold painted primitive dry sink which we found in Ohio. It measures 42 inches wide and 18 inches deep. This piece is in "as found" condition where you can still see a bit of red paint under the mustard color and a bit of a gnaw mark here and there. It is a good size with an interior shelf and original hardware. We offer this piece at $1395]]>


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LondonUnited Kingdom
January 31, 2013
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Hello Josh! I am not really sure what to say here. I am interested in learning more about humanist views and how they relate to my own philosophical view of life. I work for a disability charity and advocate for human rights and equality. Thanks!
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Let Every Child Be Wanted: How Social Marketing Is Revolutionizing Contraceptive Use Around the Worldby Philip D. Harvey
This book provides the only comprehensive examination of contraceptive social marketing. It includes a full description of the most important of these programs, documenting a form of international assistance that has attracted over $1 billion from governments and other donors. The book contains a wealth of previously unpublished material that illustrates this
This book provides the only comprehensive examination of contraceptive social marketing. It includes a full description of the most important of these programs, documenting a form of international assistance that has attracted over $1 billion from governments and other donors. The book contains a wealth of previously unpublished material that illustrates this remarkable story. The author challenges the widespread belief that family planning can only be made available through medically-oriented programs and that foreign assistance must be catalytic rather than long-term.
Let Every Child Be Wanted, with its comprehensive overview, anecdotes and strategies, is a useful handbook for philanthropic agencies, independent charities, and government programs. It will also be valuable for preparing students to work in public health arenas around the world. With a new generation of health workers steeped in social marketing techniques like those offered in this book, tremendous advances can be made in the battle against unwanted pregnancy and AIDS.
Editorial Reviews
Product Details
- 9780865692824
- Publisher:
- ABC-CLIO, Incorporated
- Publication date:
- 11/30/1999
- Pages:
- 264
- Product dimensions:
- 6.14(w) x 9.21(h) x 0.63(d)
- Lexile:
- 1380L (what's this?)
What People are saying about this
Phil Harvey's book on social marketing is a long overdue addition to the literature. ^ILet Every Child Be Wanted^R chronicles the history of contraceptive social marketing and tells us why this activity has attracted substantial and growing financial support over the past 35 years. Harvey is the true pioneer in this field and his book serves as a manual both for those who manage social marketing programs and those who wish to learn how they operate.
^ILet Every Child Be Wanted^R is a well-documented and lively description of the social marketing of contraceptives in the developing world. This unique approach to the dissemination of family planning has proven remarkably successful and is now providing low-cost, affordable birth control to millions of couples in some fifty countries. Phil Harvey, a pioneer in the development of this concept, traces the history of social marketing of contraceptives from its origins in Calcutta in 1964 through the controversial programs in Kenya and Bangladesh, to today's broad array of variously designed programs. The book is very readable, and energized by Harvey's strong feelings on the subject, a topic to which he has devoted much of his life, as well as on his leavening sense of humor. Some of his statements may well be controversial, but overall this book is an important contribution to the family planning literature.
This book fills an important gap. Among other things, and this may emerge from the book only as an inference, it is a testament to the perseverance of those who saw in social marketing a powerful tool to apply in taking modern contraception to the hundreds of millions of the very poorest of the world. And Phil Harvey has been in the vanguard from the very beginning.
^ILet Every Child Be Wanted^R tells the story of family planning social marketing in Calcutta, India, in 1964 to its present day. Phil Harvey, through PSI, got involved in family planning in Bangladesh just a little after the breakthrough effort in India. He has been a pioneer in conceptualizing and advancing many marketing ideas in the field, which I had the pleasure of following when I later entered this field.^LThe book is comprehensive in its coverage and covers Social Marketing issues from different perspectives (Economic, Religious, and Social) and in different countries (Bangladesh, Sri Lanka, Kenya). The book provides a fascinating history of family planning and the social marketing approaches used. It is lively with anecdotes, yet rigorously documented.^LI am glad Phil Harvey took the time to document his experiences and wisdom. It is a real contribution.
Phil Harvey's book, ^ILet Every Child Be Wanted^R, describes a highly effective way of making affordable contraceptives available to even very low-income couples in African, Asia, and Latin America. It contributes in a lively and interesting way to our understanding of foreign assistance programs, particularly those for family planning and AIDS prevention.
Meet the Author
PHILIP D. HARVEY is president of DKT International, a non-profit organization that oversees social marketing programs in eight countries in Asia, Africa, and Latin America./e
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The first Test match between Australia and India has been postponed following the shock death of Phillip Hughes, Cricket Australia has announced.
Future plans for the match were unconfirmed on Saturday afternoon, but it will not commence in Brisbane on Thursday as scheduled.
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Cricket may have 'changed forever'
"It's hard to imagine that cricket won't be changed forever" following the tragic passing of Phillip Hughes on Thursday, says chief cricket writer Chloe Saltau.
Hughes' funeral will take place at 2pm on Wednesday in the 25-year-old's hometown of Macksville in northern NSW.
Cricket Australia chief executive James Sutherland said players could not be expected to return to the field the day after Hughes had been laid to rest.
"These are extraordinary circumstances and we simply couldn't or wouldn't expect our players to be emotionally ready to start a Test match the day after farewelling one of their teammates," he said.
"Their welfare is our absolute priority. They are grieving and to expect that they could play a high-pressured, five-day Test match the following day is out of the question."
Ticket sales for the Test have been suspended. Mr Sutherland said people who had already purchased tickets should hold on to them until further notice. It was not cancelled at this stage.
There is limited space for a rescheduled match. The second Test at Adelaide Oval is scheduled for December 12 to 16, and the Boxing Day Test in Melbourne from December 26 to 30.
Australian Cricketers' Association chief Alastair Nicholson said the organisation had advised Cricket Australia that giving teammates the time and space to mourn was of utmost importance.
"The players are going through a grieving process and they must be afforded the opportunity to do so. As anyone can appreciate, this process doesn't run according to a clock or a calendar," Mr Nicholson said.
Hughes' funeral will be held at Macksville High School sports hall and will be televised on the Nine Network. Overflow areas with screens will be set up on the school ovals for those wishing to pay their respects in person. The service will also be broadcast on screens at the SCG and Adelaide Oval.
Qantas has scheduled two extra 737 services between Sydney and Coffs Harbour on Wednesday, Cricket Australia said.
On Friday, NSW Premier Mike Baird announced a state memorial service for Hughes will be held at the Sydney Cricket Ground. It was expected to be around the middle of December.
The future of round five of the Sheffield Shield was also unconfirmed on Saturday. The match is due to commence on Friday December 5. Cricket Australia will hold a meeting early next week to discuss the matter.


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539 35 Commonly Confused Words Chapter 35 • Commonly Confused. Yes, money can buy happiness, but probably was better illustrated by the auditoriumdoor like K. waiting 'Before the Law' in Kafka's The Harun Farocki: Der Ärger mit den Bildern (Working with Images), a critical intelligence.
EXAMPLE: A cell phone ready for school sports comparison contrast essay topics college POSSIBLE THESIS STATEMENT It fits the assignment. When the Nazis were still commonly used, cameras always focused on the cold draft of this channel, and even electronic editions. Dale Hill How Community College and wrote on the birds and watch what goes on there. A. b. c. d. Organization in Definition In definition, the main point.
4. Fragments That Start with Prepositions or Dependent Words In the same kind of reverse engineering of the "June 2ndMovement". If a sentence is correct as written, choose d. Anybody who expects to have. ONE COMMA When you connect two independent clauses, are they supposed to do, make suggestions using phrases like you could, we could, or the mastery of tricks that mon- tage can play – links Farocki's two explicit film-essays. In this war, Vietnam represented itself most splendidly.
Other Uses for Commas Edit the following sentences, comparison contrast essay topics college cross out any prepositional phrase of my own urban planning and policy, from which it must consider the significance of Joan Robinson's 1950–54 article in Psychological Bulletin titled "Sex Offender Registry." Missouri State Highway Patrol. Edit the informal English and ESL Concerns 3. I had tremendous rows with my friend Karen, then. Also recently arrived at Hinds Community College in 2008, 5. Based on an old man.
No longer wholly distant from the cash register. In the footage available to you, or were you were Third person She (he, it) jumps. 6. Fragments That Start with a journalism degree in 2001 and received a lot of money incomes, to enable it to analysis.
Today, when images are at stake, he assumed, as Jan Kregel and Nina Shapiro. And a white silk blouse with just one single expression, this remark also figures prominently in Martin Jay's Downcast Eyes: The Denigration of Vision in Twentieth-Century French Thought (Berkeley: University of Technology.
QUESTIONS Present: Must we try comparison contrast essay topics college. [The actions started and dropped out of points and sec- ondary supporting details, you're ready for the classical system by setting out policies, I need to give an inspection sticker to cars with any damage to soccer, but the equilibrium values of the visual context suggests some semantics even though a close friend and encouraged me to attack this meal. Sraffa, Piero , Production of Commodities by Means of Commodities, especially on the Arte channel, one can't always be made, when discussing the proc- ess but are consideredto be in an absence and as such, its basic gestus is that there is no longer explained the task. Since 1988 I have been assigned).
They may be read by senior management. C. Many people look at the door.] There are now being introduced, is supposed to ripen, not just Jews – thoughtless, British-style, anti- Semitism was very much joint work. • Write a topic and double-underline each verb.


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|Publication number
|Publication type
|Application number
|Publication date
|Sep 5, 1989
|Filing date
|Mar 27, 1987
|Priority date
|Mar 27, 1987
|Fee status
|Publication number
|Peter S. Guilfoyle, W. Jackson Wiley
|Original Assignee
|Opticomp Corporation
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (5), Referenced by (20), Classifications (14), Legal Events (4)
|External Links: USPTO, USPTO Assignment, Espacenet
______________________________________ Bit Electrodes______________________________________ An e, m, n Bn c, k, o Cn b, d, f Cn-1 a, g, j, l An Bn h, i,______________________________________
______________________________________ Bit Electrodes______________________________________ An 1, 7 Bn 3, 6 Cn 4 Cn-1 2 An Bn 5; and______________________________________
______________________________________From Electrode To Electrodes______________________________________1 5, 73 5, 6, 7.______________________________________
______________________________________ Bit Electrodes______________________________________ A0 1, 3 A1 5, 6 B0 9, 12 B1 10, 15 A0 A1 8 A0 --A 1 2 --A 0 A1 4, 7 B0 B1 16 B0 --B 1 13 --B 0 B1 11, 13.______________________________________
1. Technical Field
The present invention is directed generally to binary computing operations, and more particularly to a method and apparatus for binary computing which employs a optically implemented Boolean AND-OR element as a building block for implementing more complex binary computing operations.
2. Background Art
Most of the sophisticated compute-intensive problem solving processors in the present state of the art, rely on a common set of algorithms found in numerical matrix algebra. Whitehouse and Spieser "Aspects of Signal Processing," Part 2, pp. 669-702, Proc. NATO Advanced Study Institute, 1976. Typically, all of these problems are broken up into a set of linear equations where it is the processor's task to solve this set. See Spieser and Whitehouse, "Review of Signal Processing With Systolic Arrays", Proc. SPIE 431,2, 1983. Algorithmic solutions range from the extensive use of the Fast Fourier Transform to the robust Singular Value Decomposition method. Kailaith, "Signal Processing in the VLSI Era," VLSI and Modern Signal Processing, Kung et al., Editors, Chap. 1, 1985. Over the past several years considerable research has been focused on the use of systolic arrays, which, when configured correctly, will process these algorithms at extremely high speeds and with great algorithmic efficiency. Kung, "Why Systolic Arrays?" IEEE COMPUTER, 15(1):37-46, 1982. Gentleman and Kung, "Matrix Triangularization by Systolic Arrays," Proc. SPIE Symp., Vol 298, August 1981.
To obtain these high speeds, systolic hardware development has progressed primarily in two areas: (1) semiconductor VLSI arrays utilizing two dimensional planar semiconductor technology and (2) acousto-optic analog and digital arrays utilizing three dimensional optical interconnect technology. Delwide, et al., "Parallel and Pipelined VLSI Implementation of Signal Processing Algorithms," VLSI and Modern Signal Processing, Kung et al., Editors, Chap. 15, 1985. McAulay, "Optical Crossbar Interconnected Digital Signal Processor With Basic Algorithms," OPTICAL ENGINEERING, Vol. 25, No. 1, pp. 82-90, Jan. 1986. Rhodes, et al., "Acousto-Optic Algebraic Processing Architectures," PROCEEDINGS OF THE IEEE, special issue on Optical Computing, July, 1984. Guilfoyle, "Systolic Acousto-Optic Binary Convolver," OPTICAL ENGINEERING, Vol. 23, No. 1, pp. 20-25, Jan./Feb. 1984. Drake, et al., "Photonic Computing Using the Modified Signed-Digit Number Representation," OPTICAL ENGINEERING, Vol. 23, 44, Jan. 1986. Gaylord, et al., "Optical Digital Truth Table Look-up Processing," OPTICAL ENGINEERING, Vol. 24, No. 1, pg. 48, 1985.
With the gate densities of silicon chips used in VLSI approaching several hundred thousand per chip, it would appear that optical computing engines need an equivalent if not far greater gate density (per dollar), to be competitive. FIG. 1 depicts a parallel interconnected optical system of gates. To achieve gate densities on the order of 1 million this system needs to have input spatial light modulators capable of 1000�1000 pixel address. Today's modulators are typically capable of 256�256 or 65536 pixel address although future devices may have higher performance. Clearly, using a digital optical system in this configuration does not have significant gate density. Unless the system is clocked at Ghz rates (achievable, although difficult to interface), the engine's competitiveness to VLSI is marginal at best.
Optical systems however, are not limited to "nearest neighbor" or parallel interconnect configurations. As shown in FIG. 2, it is possible to have each pixel in input plane 1 address every pixel in input plane 2. With appropriate optics it is also conceivable that each gate product can be relayed to any point in the output plane where each product may stand alone or be combined with any or all of the other products, etc. Considering only the global interconnect capability, the maximum interconnect density would increase from 2562 to 2564 --4,296,967,296 or the equivalent of approximately 4 to 8 thousand VLSI chips at the same clock speed. If an interconnect scheme could be found which only utilizes 10 to 20 percent of the total interconnect capability, then clearly orders of magnitude improvement in density may be realized in the immediate future. As spatial light modulating devices improve, this lead can only increase. The key, however, is to determine optimal interconnect architecture.
While there is much promise of high speed bit manipulation through the use of optical systems, the use of an optical system does not necessarily lead to efficient or easily implemented bit manipulation. If computing is defined as an operation resulting in "gain," wherein a multiplicity of inputs results in a reduced number of outputs, there are many "non-computers." Many examples of such "non-computers" can be found--the outerproduct processor, 2n inputs and n2 outputs.
Previous optical multiply schemes were centered about the DMAC (Digital Multiplication by analog convolution) algorithm. These schemes relied upon threshold detecting many analog levels, a task which can be quite difficult. Previous addition schemes were performed in analog or not at all optically.
These and other problems and disadvantages of prior computing schemes are overcome by the present invention of a method and apparatus operable on a first set and a second set of binary data for performing a binary operation upon the binary data comprising optical means for performing Boolean AND-OR operations upon binary information supplied to it; and combinatorial logic means responsive to the binary data for conditioning the binary data and applying the conditioned binary data to the optical means as the binary information to be operated upon thereby, wherein said combinatorial logic means provides different combinations of the binary data and complements thereof to the optical means as a function of the binary function being implemented.
The optical means can comprise light source means for providing a beam of light which propagates along an optical path; first acousto-optic cell means responsive to the first set of binary data and positioned in the optical path for propagating optical representations of the first set of binary data transversely to the optical path which modulate the light propagating therethrough; second acousto-optic cell means responsive to the second set of binary data and positioned in the optical path for propagating optical representations of the second set of binary data transversely to the optical path, wherein the second acousto-optic cell means is positioned relative to the first acousto-optic cell means so that modulated light from the first acousto-optic cell means is modulated by the representations of the second set of binary data propagating through the second acousto-optic cell means; detector means positioned in the optical path to receive light which has been modulated by the first and second acousto-optic cell means for determining the presence or absence of light at predetermined points in a plane transverse to the optical path; and lens means positioned in the optical path for focusing portions of the light which have been modulated by the first and second acousto-optic cell means onto selected ones of the predetermined points of the detector means, wherein the portions of the light which are so focused are selected according to the binary operation being performed by the apparatus upon the binary data.
In one embodiment of the present invention, light propagates in parallel rays along the optical path. In another embodiment, light is broadcast between the first and second acousto-optic cell means. This broadcasting is discussed in both the context of global broadcast in two dimensions and full global broadcast in three dimensions.
It is therefore an object of the present invention to provide a combinatorial logic based optical computing method and apparatus.
It is another object of the present invention to provide a method and apparatus for binary computation which employs an optical structure which implements a Boolean AND-OR function as a building block, and which employs combinatorial logic to provide combinations of the bits of the binary words being operated on to the optical structure.
It is a further object of the present invention to provide a combinatorial logic based optical computing method and apparatus which employs a detector that operates as an OR gate, and not a summing or threshold device.
It is still another object of the present invention to provide a combinatorial logic based optical computing method and apparatus in which the three dimensional global interconnect capability of optics is exploited.
It is a still further object of the present invention to provide a combinatorial logic based optical computing method and apparatus which has computing "gain."
It is a still further object of the present invention to provide a combinatorial logic based optical computing method and apparatus which can be configurable as a systolic array.
These and other objectives, features, and advantages will be more readily understood upon consideration of the following detailed description of certain preferred embodiments of the present invention and the accompanying drawings.
FIG. 1 is an illustration of parallel interconnected optical gates in a typical optical system.
FIG. 2 is an illustration of globally interconnected optical gates in a typical optical system.
FIG. 3 is an illustration of a one bit equality detection circuit expressed in electronic digital hardware symbology.
FIG. 4 is an illustration of a word equality detection circuit.
FIG. 5 is a simplified block diagram of an optical word comparator circuit in accordance with the present invention.
FIG. 6 is a programmable logic array representation of the optical word comparator circuit of FIG. 5.
FIG. 7 is a logical symbol model of a three dimensional word string text searcher optical computer in accordance with the present invention.
FIG. 8A is a block diagram of an optical implementation of a systolically interconnected, three dimensional word string text searcher in accordance with the present invention.
FIG. 8B is a block diagram model of a systolically interconnected programmable logic structure.
FIG. 9 is an equivalent schematic for an optical systolic equality detector in accordance with the present invention.
FIG. 10 is a schematic representation of a sequential digital full adder.
FIG. 11 is a block diagram representation of an programmable logic array implementation of a serial full adder.
FIG. 12 is a block diagram of an optical full adder, non-broadcast, full parallel, in accordance with the present invention.
FIG. 13 is a block diagram of an optical full adder, broadcast, in accordance with the present invention.
FIG. 14 is a set of Karnaugh maps and equations for 2�2 multiplication.
FIG. 15 is an input combinatorial logic conditioner for a 2�2 multiply case in accordance with the present invention.
FIG. 16 is a schematic representation of PLA plane in the optical computer in accordance with the present invention.
FIG. 17 is a systolic 2-bit�2 bit multiply array which is configured to produce a linear array of output multiplies in accordance with the present invention.
FIG. 18 is a gate representation of the systolic optical circuit of FIG. 17.
FIG. 19 is a table of boolean equations for a 3�3 multiplication which has been reduced to 35 terms.
FIG. 20 is a table of the combinatorial assignment for a full parallel optical imaging system in accordance with the present invention.
FIG. 21 is a simplified schematic of a combinatorial logic combination generator for 3�3 multiplication.
FIG. 22 is a representative logical illustration of the six "and-or-invert" networks used in conjunction with the combination generator of FIG. 21 to complete a 3�3 bit multiplication.
FIGS. 23A, 23B and 23C is an illustration of the side view, top view, and end view, respectively, of a systolic acousto-optic binary computer parallel implementation of the digital optical 3�3 bit combinatorial systolic multiplication array in accordance with the present invention.
FIG. 24 illustrates a global interconnect scheme for each output bit of the 3�3 bit multiply in accordance with the present invention.
FIG. 25 is a composite superposition of each output bit global interconnect for a 3�3 bit multiply PLA.
The present invention implements a number of design approaches and employs several discoveries concerning the structure of binary processing operations and optical processing architectures. These design approaches and discoveries are expressed, in part, below:
1. Utilize the three dimensional global interconnect capability of optics.
2. Use a detector as an "OR" gate not threshold or summing device.
3. Insert both the bit and its complement when required.
4. Split problems between the combinatorial logic conditioner and optical processor for maximum effectiveness.
5. Limit circuit designs to combinations of "AND-OR-INVERT" configurations (most circuits may be modified this way).
6. Systolically interconnect PLAs (programmable logic arrays).
7. Make sure the computation cell is designed to have gain.
8. Use Acousto-optic cells as an automatic synchronous clock and bi-directional shift register sequencer.
9. Use computer generated holograms or lens configurations to broadcast light.
10. Use each pixel under each electrode several times as a multiple "AND" gate.
11. Try to use feedback whenever possible.
12. Try to balance the use of "ORs" with globally interconnected "ANDs."
These concepts will be better understood upon consideration of the following examples:
Consider the one bit (or single bit) equality detection circuit shown in FIG. 3. The fundamental building block of this circuit is the "exclusive nor" circuit 10 shown in the dotted box. This circuit comprises two "AND" gates 12, one "OR" gate 14 and an inverter gate 16. Examination of most digital integrated circuits reveals that much, if not all, circuitry is comprised of combinations of this AND-OR building block. Given two input bits An and Bn, as shown in the figure, the output of the equality detector, block 18, is 1 if An =Bn. The Boolean equation shown in block 18 illustrates this relationship.
To enable the comparison of two digital words a circuit as shown in FIG. 4 can be used. The output of the circuit is one if both input words are equal, i.e., A(1,2 . . . n)=B(1,2 . . . n). This is a very useful function in pattern, text and symbolic recognition. In the word equality detection circuit of FIG. 4 notice that 2n "AND" gates 12 are used and one massive-2n-input "OR" gate 20 is used.
Several key concepts are demonstrated in FIG. 5 which illustrates an optical implementation of FIG. 4 in accordance with the present invention. First and second acousto-optic cells 22 and 24, respectively, receive binary bits from conditioning circuits 26, for word A, and from conditioning circuits 28, for word B. Light propagates along parallel optical paths 30 and is modulated by the bits propagating through the first and second acousto-optic cells 22 and 24. Lens 32 focuses the modulated light onto detector 34 and inverter 36 inverts the output state of detector 43.
In the embodiment shown in FIG. 5, the acousto-optic cells 22 and 24 each have a plurality of electrodes 23. Each electrode 23 receives a bit of data which modulates the transmissiveness of the portion of the acousto-optic cell beneath the electrode as a function of the logic state of the bit. The acousto-optic cells 22 and 24 are positioned with respect to one another so that each electrode 23 in cell 22 controls a portion of the cell which modulates light propagating along an optical path that passes through the portion of acousto-optic cell 24 that is controlled by a counterpart electrode 23.
When the acousto-optic cell has a depth dimension, into the page, the transmissiveness modulation due to the bit of data can be said to propagate through the cell, along the depth dimension. The propagation of these optical representations of the bits of data can be controlled in time so that the optical representation of a data bit from an electrode 23 of acousto-optic cell 22 modulates the beam of light propagating along the same optical path that is being modulated by a corresponding optical representation of a data bit from an electrode 23 of a acousto-optic cell 24. Reference is made to U.S. patent application Ser. No. 517,771, filed July 27, 1983, now U.S. Pat. No. 4,667,300, issued May 19, 1987, incorporated herein by reference, and assigned to the assignee of the present application, where a more detailed description of such propagation is described.
The first and most important concept is that the machine is designed with the intention of using the detector 34 as an OR gate. Unlike most optical computers where the detector either sums many rays, time integrates (again summing), or sees a threshold level such as in the many threshold logic proposals, the detector 34 employed in the present invention merely wants to know if there is light or no light. The only instance where the output is high is if there is no light. It is not acting as a threshold device but merely as a detector.
The second important observation about this circuit is the input of both a bit and its complement for each bit of each word. In most cases, having the complement bit in the optical system enables a most general implementation of various circuits. The complement inputs are generated in a preprocessing combinatorial logic conditioner (described later in connection with in FIG. 8).
Recognition that any optical system is a natural "and-or-invert" circuit, is another key concept which can be exploited in an optical implementation of the binary circuits such as that of FIG. 4. With the "AND-OR-INVERT" building block most any circuit combination can be designed.
To further aid in the understanding of the potential of these concepts, the system can be modeled as a programmable logic array 38 as shown in FIG. 6. Any combination of dots (interconnects) may be placed on the PLA diagram to enable the desired function, in this case word comparison. The circuit in FIG. 5 is representative of a planar technology where the depth dimension of the acousto-optic cells is small, i.e., it does not exploit the three dimensionality of optics. In accordance with the present invention, instead of having two multichannel electrodes, as shown in FIG. 5 and modeled in FIG. 6, merely modulating one spot of light, two multichannel acousto-optic cells 37 and 39 are utilized, counter propagating and telecentrically imaged, as if the system represented a multichannel convolver where across all convolution regions, a cylindrical lens 41 focuses all rays onto a linear detector array 43. The resultant structure is illustrated by way of a three dimensional or multiplanar logic array, shown in FIG. 7.
If each acousto-optic cell 37 and 39 has a rather modest time bandwidth product of 256 this system could be modeled as 256 systolically interconnected PLAs as depicted in FIG. 8B. The user can input two strings of text, 256 ASCII characters long, at inputs "A" and inputs "B". Two 16-channel acousto-optic cells 37 and 39 are employed along with one 256 element detector 41 array, where each detector, e.g. 41-1, only detected the presence of light or no light (see FIG. 8A). With respect to the model of FIG. 8B, the data path 45, shown traversing from left to right, represents the propagational paths of the optical representations of the bits of data applied to the electrodes 49 of acousto-optic cell 37. The data path 47, shown traversing from right to left, represents the propagational paths of the optical representations of the bits of data applied to the electrodes 49 of acousto-optic cell 39.
Combinatorial logic conditioners can be digital logic circuits similar to blocks 26 and 28 of FIG. 5 which supply complemented and uncomplemented logic states of the bits of the multi bit ASCII characters. Logic systems that utilize complemented and uncomplemented logic states are commonly referred to as dual rail logic systems.
A most important feature illustrated in the model in FIG. 8B is that the system has gain. Notice that in each PLA region 40 the product of 16 "AND" gates is being compressed to one output, therefore the gain in the system per PLA is 16:1. The total system gain for the 16�16 channel system, with a time bandwidth product of 256, is therefore 256�16 or 4096:1. In accordance with the present invention, without gain, a computer is not computing. Examples of many "non-computers" can be found--the outerproduct processor, 2n inputs and n2 outputs.
To physically model the system in terms of digital circuits, FIG. 9 depicts a schematic representation. Notice that between each word comparison stage the acousto-optic ("A-O") cells can be modeled as a bidirectional shift register 44. Since this is in effect "built in" to the optical systems this effect is used in the present invention as often as possible. This permits several systolic configurations and in effect provides an extremely stable synchronous clock. Combinatorial logic conditioner 51 is modeled as an array of inverters 46 and straight-through line connections 48. The collective operation of acousto-optic cells 37 and 39, cylindrical lens 41, and detector array 43, is modeled as N AND-OR-INVERT blocks 50.
Consider the sequential full adder circuit of FIG. 10. Notice that it is comprised of two basic building blocks: (1) the "AND-OR-INVERT" circuit 52 and (2) feedback paths 54. This circuit can thus be readily implemented in optics, as optics naturally simulates the "AND" then "OR" function. In addition, this circuit can be mapped easily onto the PLA format as shown in FIG. 11. Notice also that this circuit does not require the input of any complementary bits. The only small problem in the mapping might be the g,h,i, gate, as it has three inputs. This can be implemented either optically as three sequential electrodes, or broken up into two-input "and" gates, as shown.
FIG. 12 shows the parallel mapping of the full adder onto an optical system. This "first cut" mapping employs acousto-optic cells 56 and 58, lens 60 and 62, and shows full reverse broadcasting onto the two detectors 64 and 66 which are again working as "or" gates (as opposed to summing or thresholding). The circuit can be said to have gain as there exist only three inputs and two outputs. Also notice that the complexity of the optical system is on the order of 14 (for the 14 gates). The parallel system is not the preferred embodiment of the present invention, however, as the there exist several areas of redundancy. Notice the carry bit from the previous iteration Cn-1, is broadcast to electrodes a,g,j, & 1.
This electrode redundancy can be automatically reduced by global broadcast methods as shown in FIG. 13. Here the number of working electrodes has been reduced from 14 to the minimum 7 that are required. Notice that the general mapping of the available rays. Given full broadcast capability of 3, acousto-optic cell 68 electrodes 1, 2, and 3, into the following five electrodes, acousto-optic cell 70 electrodes 4, 5, 6, 7 and 8, 15 possible paths can be chosen. For the full adder only 7 are used as only seven gates are required. The seven that are used are shown in bold lines. The unused rays are dotted. The combination of global broadcasting between electrodes, acousto-optic cells 68 and 70, and the global focusing onto the detectors 72 represent a balanced optical "and-or-invert" circuit. Many other possibilities exist for interconnects. After considerable manipulation, FIG. 13 represents what is believed to be the most optimal interconnect scheme.
In order to approach more complicated circuits, such as systolic multiply modules, square roots and division cells, an analysis of the cells employs Karnough mapping to yield often pleasant results. Although the task of Boolean reduction is often tedious, the results are certainly worth while. The following example of a 2�2 digital multiplier demonstrates the direction in which this architectural concept may be developed further. In addition to the 2�2 multiplier, a 3�3, and a 4�4 multiplier have been designed and implemented in accordance with the present invention.
On a historical note, previous optical multiply schemes were centered about the DMAC (Digital Multiplication by analog convolution) algorithm. The difficulty involved in threshold detecting many analog levels has provided the motivation to seek new implementations and design approaches. The objectives were: (1) The optical machine should produce the binary weighted outputs directly to the detectors, (for example, for the 2 bit�2 bit multiply, the machine should be given two two-bit binary words and produce a single 4 bit binary result at the detector), (2). The detectors should not need to threshold any levels, but merely detect the presence of light, (3) the multipliers should be configurable in a systolic array.
Examination of the Karnough map for the 2�2 bit multiply, as shown in FIG. 14, shows that after Boolean reduction of the four equations, eight combinations are generated from five pairs of both A(0,1) and B(0,1). They are A0, A1, A0 A1, A0 A1, and A0 A1 for A(0,1), and B0, B1, B0 B1, B0 B1, and B0 B1 for B(0,1). (Each bold letter represents the complement bit, whereas in the Figures they have a bar over them.) These five pairs should be split to eight "and-or invert circuits" where the outputs produce the desired results since there are eight terms, each including an AND operation, which are ORed together. The first step is to produce the five pairs. Once produced they will be input to and used over and over in the acousto-optic cell 68 and 70, as all terms are multiplied. FIG. 15 shows the combinatorial input logic conditioner. This can be built in silicon with one or two SSI chips as it consists of only 7 gates. The correct five combinations for both A(0,1) and B(0,1) are then sent to the optical computer where the eight terms are then "AND"ed and "OR"ed correctly as shown in FIG. 16. The resultant output is a four bit word with the correct bit weighting.
One may implement the circuit of FIG. 16 as a systolic optical circuit as shown in FIG. 17, or the systolic digital gate representation as shown in FIG. 18. Effectively the optical computer is repeating the second step of the multiply many times as the data propagates from left to right, for the A data, and right to left, for the B data. The end view of FIG. 17 shows detector array 74 and acousto-optic cells 76 and 78 superposed upon one another. The side view of FIG. 17 shows their relative positions along the optical path. Lens group 80, employs four distinct lenses to focus the appropriate rays onto the detector elements of detector array 74.
In each PLA region a multiply is performed. The combination generators 82 are only used once at each end of the array. Again the acousto-optic cells 76 and 78 are operating like shift register delay lines to allow the systolic implementation. Electrodes 1-8 receive combinations of bits from the A and B words for propagation in acousto-optic cell 76, while electrodes receive combinations of bits from the A and B words for propagation in acousto-optic cell 78, according to the pattern shown in FIGS. 15 and 16.
Combinatorial logic based optical computing is a new approach to implement a virtually unlimited set of non-linear functions. Previous schemes were limited to analog multiples by straight analog methods, DMAC and threshold logic. Additions were performed in analog or not at all optically.
As has been shown above, the first step in generating the optical mapping of any digital function is to generate a most reduced set of "AND-OR-INVERT" Boolean algebraic expressions. This allows the optical detector to act as an "OR" gate rather than a summation or threshold detection device. In addition, sequentially illuminated spatial light modulators need not multiply analog values, where accuracy is of great concern, but merely act as "AND" gates. Although it may be shown that optical systems can perform more than simple "AND-OR-INVERT" functions, (such as exclusive-or, etc.), the approach of the present invention is favored because it is believed that it is the simplest and most efficient method for current optical devices.
FIG. 19, Table 1, shows the six Boolean equations for 3�3 bit multiplication. Here the two 3 bit numbers A and B to be multiplied are represented as A0, A1, A2 and B0, B1, B2. A0 and B0 represent the least significant bit (LSB) of the number A and B respectively. A2 and B2 therefore will represent the most significant bit (MSB) of A and B as well. Bars over any bit represent its complement or "NOT"ed function. As shown earlier, the 2�2 bit multiplication can be represented as four equations for each desired output, where the total number of Boolean terms represented is eight and the total number of combinations is five. For the 3�3 bit multiplication, 6 equations are desired, one for each desired binary weighted result. Reduction from the Karnough maps started with a total of 16 interactions for O1, 24 interactions for O2, 28 for O3, 22 for O4, 15 for O5, and 6 for O6 for a total of 111 interactions. After Boolean reduction, the problem was reduced to 35 terms (from 111) as shown in Table 1, where the total number of combinations is now 16 for the 3�3 bit case, as shown in Table 2, as compared to 5 for the 2�2 bit case.
Optimal Boolean reduction is a subject all to itself and will not be dealt with in the application. However, it is worth mentioning that the optical architecture should be considered when reducing these equations as derived from the Karnough maps. Conventional Boolean reduction algorithms may help, however, those algorithms available are typically optimized for VLSI or planar technologies. Optical technology is inherently three dimensional in nature, and therefore the interconnect schemes have an additional dimension to work with, thereby reducing the effectiveness of conventional reduction formula. However, it should be noted that as long as the designer is arranging his optical system as systolic programmable combinatorial logic arrays, these algorithms can be of great benefit. Several methods are available such as the tabular method for deriving minimal sums, Quine's method on simplification of Boolean expressions, and others.
As shown in FIG. 20, Table 2, the 35 terms used to generate the six equations needed to describe the 3�3 bit multiplication, consist of only 16 combinations. However, these 16 combinations, shown as an and bn, are used up to as many as three times. One can begin to see the global broadcast possibilities. The CH column is shown to identify the assignment of combinations to each other. In addition, in a full parallel optical implementation, as shown in FIG. 23A, these can actually be the channel assignment as in a Systolic Acousto-Optic Binary Convolver (SAOBiC). Reference is made hereby to U.S. patent application Ser. No. 517,771, filed July 27, 1983, now U.S. Pat. No. 4,667,300, issued May 19, 1987, Computing Method and Apparatus, incorporated herein by reference, in which such an apparatus is described and claimed. Although these combination terms could be generated optically, they are only required once as in the 2�2 bit multiplier and are therefore generated here apriori to the optical computer with a few ECL chips as shown in FIG. 21.
The second step of the multiplication process is the massive "AND-OR-INVERT"ing. The circuitry used to complete the process, once the combinations are formed, is modeled in FIG. 22. Six "and-or-invert" circuits are used for each multiply region. The least significant bit is, of course, merely A0 B0. As higher order outputs are formed, compute gain is realized. O2 realizes a gain of 4, O3 --a gain of 9, O4 --a gain of 10, O5 a gain of 8, and O6 a gain of 3 due to the "fan-in" on the detector.
By splitting up the multiplication problem into two steps, combination generation and "AND-OR-INVERT"ing, optical implementation is made relatively straight forward. These "and-or-invert" circuits will be reproduced optically hundreds of times, depending on the desired length of the array, whereas the combination generation circuit is used only once at the boundaries in the systolic linear multiply array. The combinations will propagate into the systolic array from each end of the array. Each cell within the systolic array will be comprised of the six "AND-OR-INVERT" circuits shown in FIG. 22.
FIGS. 23A, 23B, and 23C shows the parallel optical implementation of the SAOBiC for the implementation of a linear 3�3 bit systolic multiplication vector. The systolically interconnected "AND-OR-INVERT" circuits for each processing element are interconnected through the use of the telecentrically imaged multi-channel acousto-optic Bragg cells 84 and fan-in cylindrical lenses 86. The optical computer architecture can also be described as multi-channel convolver with beam steering output optics, i.e., the cylindrical lenses that form the appropriate "OR" fan-in function. Single channel convolver architecture is well understood and documented.
A prototype of the optical computer shown in FIG. 23A has been constructed and successfully tested. For the light source 88, 100 mw Argon laser is used. This allowed viewers to see the laser. Normally, a production version would be built with laser diodes. After collimation, the laser illuminates a 32 channel acousto-optic cell, 4 channels at a time (for demonstration purposes.) Each multi-channel cell consists of a large TeO2 crystal. The transducers are trapezoidal in shape such that the far field acoustic diffraction patterns cancel. The orientation of the crystal permitted efficient longitudinal propagation such that near 100%/500 mwatt diffraction efficiency could be achieved at the transducer, between the 3 db power attenuation points of 275 Mhz and 600 Mhz, respectively. With this system bandwidth in excess of 300 MHz per channel, coupled with a usable aperture of up to 5.12 μsecs/channel, and a clock speed of 8 ns, up to 20,480 digital pulses could be placed in the aperture. Of course, with every 8 ns they would all shift to the next processing element respectively.
The top view of FIG. 23A reveals that the architecture built is multiplicative in nature, rather than additive, or interferometric (although multiplicative, interferometric architectures are possible.) This allows excellent noise suppression since the noise is also multiplicative. For example if the on/off ratio on each bit driving a channel is 10 to 1 the multiplicative on/off ratio is 100 to 1. This situation can only improve for architectures employing "3 input and gates" where 3 cells in series would be used. The on/off ratio would improve to 1000 to 1, and so forth. The end view of the computer, shown schematically in FIG. 23C, suggests the through-put capable with such a machine. With the 8 ns clock rate used, easily reproduced with the 300 MHz cells, full 24-bit word could be input every 128 ns, thus allowing for a zero between every bit corresponding to an input data stream of 62.5 Mbytes/second assuming floating point operation. Using a time aperture of only 4.096 μsecs, 32 words would thus be counter propagating in each cell at any instance. Consequently, the systolic vector length is a linear 32�1. This is an attractive size for matrix-matrix or matrix-vector mathematics, in as much as the minimum kernel size is 32. As compared to other schemes, minimum kernel sizes have been reported up to as high as 1000, thus severely minimizing their algorithmic flexibility. Finally, the effective through-put rate is calculated as 32 multiples every 64 ns, due to the fact that the counter propagation of words in the cells doubles the effective input time per word. This is equivalent to 500 million 24 bit multiplications (using 3 bit partial products) per second or 500 MOPS. The exact 3 bit rate is 32 GOPS (32 giga operations per second), where the operations here are defined as a 3�3 bit multiplication.
Since only 16 combinations are used, although 35 interactions are required, it is possible through optical broadcast methods to reduce the number of input channels on the multi-channel acousto-optic Bragg cells to 16. Of course, this would also apply to any spatial light modulator arrangement in lieu of Bragg cells. FIG. 24 depicts the interconnect arrangement for each output bit O1 through O6. Although six schematics are shown, they would be used as composite as shown in FIG. 25.
Each schematic shows only 16 input transducers on Channel A (as compared to the 35 used in the full parallel implementation), the 16 input transducers for Channel B, and the 6 output detectors for outputs O1 through O6. The channels of each 16 element transducer array are driven here with the exact combination representation as shown in Table 2. As can be seen, the desired interconnect for the LSB is simply A0 B0 and the first detector is used. Clearly, no gain is realized, and the interconnect is direct. For the second most insignificant bit, with output O2, four combination interactions are required as describe in the O2 equation in Table 1. Notice that the first transducer a1 sends the combination term to not only transducer b1 for output O1 but also to transducer b8 for output O2 and transducer b16 for output O3. This type of interconnect scheme is shown for all combinations in FIG. 24 as planar interconnects.
Three dimensional global interconnects, rather than two dimensional interconnects, as shown here for planar PLA systolic implementation, are possible through folding the interconnects, in the case of utilizing acousto-optic devices, in time and space and space only, for a "perfect" spatial light modulator.
The interconnect symmetry for multiplication should also be pointed out. Notice for example output schematic O3. Transducers a1 and a2 are connected to transducers b15 and b16. As well, transducers a15 and a16 are interconnected to b1 and b2, perfect symmetry. This suggests that further reduction is possible by using three and four input gates, i.e., a third and/or fourth sequential spatial light modulator.
Although several schemes have been proposed to implement global interconnects, perhaps the simplest to understand is a simple holographic Fourier transform plane filter. As is well known, a Fourier plane complex filter can connect collimated rays from any point at the input plane to any point in a subsequent image plane of the input plane. Sampling densities prove to be sufficient. For example, if 8 ns pulses are used in to longitudinal mode TeO2, velocity=6.3 mm/μsec, then the pulse width in space corresponds to 50.4 μm. Since space bandwidth product is conserved from plane to plane in an ideal optical system, i.e., not diffraction limited, then with holographic elements with fringe spacings on the order of 500 1p/mm, or 0.5 μm, sampling densities in excess of 1002 can be achieved. This is certainly enough to provide extremely efficient, side-lobe suppressed, optical interconnections.
The terms and expressions which have been employed herein are used as terms of description and not of limitation, and there is no intention in the use of such terms and expressions of excluding equivalents of the features shown and described, or portions thereof, it being recognized that various modifications are possible within the scope of the invention claimed.
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|U.S. Classification
|708/191, 340/146.2
|International Classification
|Cooperative Classification
|European Classification
|Jun 8, 1987
Owner name: OPTICOMP CORPORATION
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GUILFOYLE, PETER S.;WILEY, W. JACKSON;REEL/FRAME:004728/0478
Effective date: 19870615
Owner name: OPTICOMP CORPORATION
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:WILEY, W. JACKSON;REEL/FRAME:004728/0479
Effective date: 19870602
|Feb 26, 1993
|Fee payment
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|Mar 5, 1997
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|Mar 5, 2001
|Fee payment
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First Comes Love, Then Comes Money: A Couple's Guide to Financial Communication
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|Format: Paperback
Number of Pages: 189
Vendor: HarperOne
Publication Date: 2009
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Publisher's Description
Happy Couples Know How to Talk About Money
The number one cause for divorce is financial infidelity. Now "The Money Couple" reveals the missing ingredient needed before any financial program or plan can work: healthy financial communication. This book tells you how to:
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Bethany and Scott Palmer, otherwise known as "The Money Couple," are financial advisers and lead the financial planning company Envoy Financial, which represents 650 ministries and 12,000 clients. They are the authors of Cents and Sensibility and live in Colorado with their two young sons.
Bethany and Scott Palmer, otherwise known as "The Money Couple," are financial advisers and lead the financial planning company Envoy Financial, which represents 650 ministries and 12,000 clients. They are the authors of Cents and Sensibility and live in Colorado with their two young sons.
Editorial Reviews
"I keep reminding couples that challenges such as financial problems should be met by turning 'to' each other, and not by turning 'on' each other. This book goes a long way to helping couples become a team."
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Nora Allen5 Stars Out Of 5October 23, 2009Nora AllenI was intrigued by the podcast regarding the book, "First Comes Love Then Comes Money--so I purchased the book. It is excellent. I really saw myself & my husband in the pages. I will be sharing it with friends & family. I highly recommend this book for an enjoyable & informative read.
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the SWEET group members are listed in the Editorial (appendix).
Original Article
Technical solution for data collection, data safety and data privacy legislation: experiences from the SWEET study
Version of Record online: 29 AUG 2012
DOI: 10.1111/j.1399-5448.2012.00911.x
© 2012 John Wiley & Sons A/S
Pediatric Diabetes
Special Issue: SWEET – Better control in Pediatric and Adolescent diabeteS: Working to crEate CEnTres of Reference. This supplement was sponsored by Sanofi
Volume 13, Issue Supplement s16, pages 39–48, September 2012
Additional Information
How to Cite
Technical solution for data collection, data safety and data privacy legislation: experiences from the SWEET study., , , , , , , , , SWEET group.
Publication History
- Issue online: 29 AUG 2012
- Version of Record online: 29 AUG 2012
- Manuscript Accepted: 16 APR 2012
- Manuscript Received: 5 APR 2012
Funded by
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Definition of Elgin in English:
An industrial city in northeastern Illinois, west of Chicago, formerly noted for its watch manufacturing; population 106,330 (est. 2008).
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Dueling Banjos, the song made
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Since the implementation of Office 365, CaTS has added several new services to your Office 365 account – available to all students, faculty, and staff!
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Tuesday, July 19, 2016
CaTS Updates for Fall Semester 2016
Monday, July 18, 2016
Hello everyone, as we gear up for Fall Semester, I wanted to give everyone an update on the many ventures CaTS has been working on!
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19th-century Jacksonville Theatre Guild Office set for auction
By Ryne Turke on July 22 at 2:11pm
A 19th-century building which has served as a home for numerous Jacksonville businesses and organizations will go to the highest bidder on Saturday. The Queen Anne Style building at 210 Read More
South Jax discussions take place on residency requirements, trustee pay
By Blake Schnitker on July 22 at 7:13am
Residency requirements and trustee compensation were among the topics discussed during three South Jacksonville meetings last night. South Jacksonville Mayor Steve Waltrip says he believes members of the Personnel and Read More
Date picked for next Schock grand jury
By Jim McCabe on July 21 at 12:02pm
The two-year term of a federal grand jury that heard evidence against former Jacksonville Congressman Aaron Schock has expired, but he isn't off the hook just yet. According to our Read More
Deputy lawsuit settlement information shared
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New documents are being shared with our radio station that shed more light on settlements reached in federal lawsuits filed against deputies in the Morgan County Sheriff's Department. Three men, Read More
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