(19) (11) EP 1 499 941 B1 (12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention  of the grant of the patent:  27.06.2007 Bulletin 2007/26 (21) Application number:  03728298.5 (22) Date of filing:  27.03.2003 (51) Int Cl.: G06F1/08 (2006.01) G06F1/26 (2006.01) G06F1/20 (2006.01) H03L7/00 (2006.01) H03L5/00 (2006.01) (86) International application number:  PCT/US2003/009546 (87) International publication number:  WO 2003/093962 (13.11.2003 Gazette 2003/46) (54) ALTERING OPERATING FREQUENCY AND VOLTAGE SET POINT OF A CIRCUIT IN RESPONSE  TO THE OPERATING TEMPERATURE AND INSTANTANEOUS OPERATING VOLTAGE OF THE  CIRCUIT VERÄNDERUNG DER BETRIEBSFREQUENZ UND DES SPANNUNGSSOLLWERTS EINER  SCHALTUNG ALS REAKTION AUF DIE BETRIEBSTEMPERATUR UND MOMENTANE  BETRIEBSSPANNUNG DER SCHALTUNG ALTERATION DE LA FREQUENCE DE FONCTIONNEMENT ET DU POINT DE REGLAGE DE LA  TENSION D’UN CIRCUIT EN REPONSE A LA TEMPERATURE DE FONCTIONNEMENT ET A LA  TENSION DE FONCTIONNEMENT INSTANTANEE DUDIT CIRCUIT (84) Designated Contracting States:  AT BE BG CH CY CZ DE DK EE ES FI FR GB GR  HU IE IT LI LU MC NL PT RO SE SI SK TR (30) Priority: 02.05.2002 US 138345 (43) Date of publication of application:  26.01.2005 Bulletin 2005/04 (73) Proprietor:  INTEL CORPORATION Santa Clara, CA 95052 (US) (72) Inventors:  • HUARD, Douglas Portland, OR 94229 (US) • BURTON, Edward Hillsoboro, OR 97124 (US) •W O N G ,  K e n g Portland, OR 97229 (US) (74) Representative:  Goddar, Heinz J. FORRESTER & BOEHMERT  Pettenkoferstrasse 20-22 80336 München (DE) (56) References cited:  US- A- 5 469 561 US- A- 5 642 388 US- A- 5 940 786 US- A1- 2002 029 352 EP 1 499 941 B1 Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention). Printed by Jouve, 75001 PARIS (FR)