| Patents for G04C 10 - Arrangements of electric power supplies in time-pieces (1,992) |
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| 02/23/2005 | CN1190713C Electronic machine, mechanical watch, controlling and design method for electronic machine |
| 02/17/2005 | US20050036405 Timepiece having a mechanical movement associated with an electronic regulator |
| 02/16/2005 | CN1189999C Thermoelectric system |
| 02/16/2005 | CN1189802C Electronic timepiece |
| 02/15/2005 | US6856581 Batteryless, oscillatorless, binary time cell usable as an horological device with associated programming methods and devices |
| 02/09/2005 | CN1188758C Power supply device, portable electronics device, timing device and their control method thereof |
| 02/08/2005 | US6853219 Charging circuit |
| 01/26/2005 | CN1186698C Device for limiting rotary acceleration of oscillating pendulum driving instrument of small volume |
| 01/20/2005 | WO2004075345A3 Device for establishing an electrical connection between a portable electronic instrument and an external device, in particular for performing the recharge of a battery of said instrument |
| 01/19/2005 | CN1567105A Energy source mounting device for portable electronic apparatus |
| 01/19/2005 | CN1567103A Memory method and apparatus for analog electric wave bell |
| 01/19/2005 | CN1185560C Structure for holding battery of electronic timepiece |
| 01/12/2005 | CN2670981Y Clock with mottoes |
| 01/06/2005 | WO2005001388A2 Method and apparatus for real time clock (rtc) brownout detection |
| 12/29/2004 | CN1182447C Indicating plate for watches |
| 12/29/2004 | CN1182446C Timepiece |
| 12/22/2004 | CN1181409C Dispaly plate for timepieces and method for fabricating the same |
| 12/15/2004 | CN1180522C Method for controlling charging of accumulato and equipment for applying the same method |
| 12/14/2004 | US6831446 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same |
| 12/09/2004 | WO2004107059A1 Multifunction timepiece |
| 12/08/2004 | CN2662304Y Solar energy battery apparatus for quartz clock and watch |
| 12/07/2004 | US6829199 Electronic apparatus, electronically controlled mechanical timepiece, methods of controlling them, program for controlling electronic apparatus, and storage medium |
| 12/01/2004 | EP1481292A2 Battery-powered wristwatch |
| 12/01/2004 | EP0945769B1 Watch provided with thermoelectric generation unit |
| 11/30/2004 | US6826124 Timepiece with power reserve indication |
| 11/24/2004 | CN1177264C Time measuring device |
| 11/18/2004 | WO2004099884A1 Electronic watch with wireless communication function |
| 11/17/2004 | EP1366391B1 Clock movement with magnetic masses and using a non-magnetic coating for covering fixed parts of the blank |
| 11/16/2004 | US6819634 Electronic clock |
| 11/16/2004 | US6819633 Braking without stopping generator for timepiece and other electronic units |
| 11/11/2004 | US20040225439 Method and apparatus for real time clock (rtc) brownout detection |
| 11/10/2004 | CN1175552C Power supply device and portable electronic equipment |
| 11/10/2004 | CN1175324C Reversible wrist watch |
| 11/09/2004 | US6816439 Rechargeable electronic watch and driving method of rechargeable electronic watch |
| 11/03/2004 | EP1137971A4 Radio-controlled clock movement |
| 11/03/2004 | EP0954770B1 Watch comprising sensing and saving means in case of insufficiency of supply source |
| 11/03/2004 | CN2653557Y Battery mounting structure for clock |
| 11/03/2004 | CN1174294C Generator driving device for instrument of small volume |
| 10/26/2004 | US6809498 Power supply apparatus and electronic equipment |
| 10/13/2004 | CN1171375C Power supply device, power supply method, portable electronic device, and electronic watch |
| 10/05/2004 | US6800983 Magnetic circuit structure, and power-generating device and electronic device using the same |
| 09/21/2004 | US6795378 Electronic device, electronically controlled mechanical timepiece, and control method therefor |
| 09/14/2004 | US6791905 Timepiece |
| 09/08/2004 | EP1455248A1 Electronic timepiece and electronic equipment |
| 09/08/2004 | CN1527162A Electronic chronometer with check up function and check up method thereof |
| 09/02/2004 | WO2004075345A2 Device for establishing an electrical connection between a portable electronic instrument and an external device, in particular for performing the recharge of a battery of said instrument |
| 09/01/2004 | EP1453175A1 Charging circuit |
| 09/01/2004 | EP1451605A2 Calibrated real time clock for acquisition of gps signals during low power operation |
| 08/25/2004 | EP1450219A1 Electronic timepiece and electronic equipment |
| 08/24/2004 | US6779917 Reversible wrist watch |
| 08/18/2004 | CN1162957C Stepper motor drive, method of driving steeper motor |
| 08/18/2004 | CN1162918C Solar battery and method for manufacturing the same |
| 08/18/2004 | CN1162760C Shockproof device for generating apparatus with pendulum bob |
| 08/12/2004 | WO2004068681A1 A tumbling magnet electricity generating system |
| 08/12/2004 | US20040155697 Charging circuit |
| 08/11/2004 | CN1519670A Timepiece unit and method for controlling timepiece unit |
| 08/11/2004 | CN1161674C Timepiece with solar cell |
| 08/05/2004 | WO2004066042A1 Electronic timepiece with solar cell |
| 07/28/2004 | CN1515967A Electronic clocks and watches |
| 07/22/2004 | US20040140790 Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same |
| 07/21/2004 | CN1514958A Electronic timepiece and electroic machine |
| 07/21/2004 | CN1514957A Electronic timepiece and electronic machine |
| 07/20/2004 | US6766459 Time keeping apparatus and method for controlling the same |
| 07/20/2004 | CA2109388C Timepiece including a power cell compartment closed by a gasket seal |
| 07/14/2004 | CN1512281A Wrist watch including back cover on casing or with hand open bayonet assembling piece |
| 07/14/2004 | CN1157636C Display structure with solar cell, and electronic devices and timepiece powered by solar cell |
| 07/01/2004 | WO2004055605A1 Electronic timepiece with solar cell |
| 06/30/2004 | EP1434114A1 Watch with a housing having a bottom or hatch cover with bayonet mount that can be opened manually |
| 06/29/2004 | US6757220 Electronically controlled timepiece, and power supply control method and time correction method therefor |
| 06/24/2004 | US20040121226 Energy source mounting device for a portable electronic apparatus |
| 06/24/2004 | US20040120224 Watch whose case includes a back cover or cover with a bayonet fitting for manual opening |
| 06/23/2004 | EP1432052A1 Mounting device of energy source for portable electronic device |
| 06/16/2004 | CN1504848A Timepiece with power reserve indication |
| 06/16/2004 | CN1154197C Cell cover structure |
| 06/16/2004 | CN1154029C Charging device of watch battery |
| 06/10/2004 | US20040109390 Timepiece with power reserve indication |
| 06/09/2004 | EP1426837A1 Timepiece with power-reserve indication |
| 06/09/2004 | CN1153103C Electronic clock |
| 06/03/2004 | US20040105347 Electronic timepiece and electronic apparatus |
| 06/01/2004 | US6744699 Electronic regulation module for the movement of a mechanically wound watch |
| 05/27/2004 | US20040100870 Electronic watch and electronic watch control method |
| 05/19/2004 | CN1498362A Use of non-magnetic coating for covering components in clock movement |
| 05/13/2004 | WO2003067340B1 Battery-powered wristwatch |
| 05/12/2004 | CN1149453C Clock mechanism allocated with generator |
| 05/12/2004 | CN1149452C Electronic chronometer with check up function and its check up method |
| 05/12/2004 | CN1149451C Electronic chronometer and its controlling method |
| 04/28/2004 | CN1493103A 充电电路 Charging circuit |
| 04/14/2004 | CN1145859C Electronic apparatus and method for controlling electronic apparatus |
| 04/13/2004 | US6721540 Electronic device |
| 04/08/2004 | WO2004029735A1 Electronic clock, elctronic apparatus and starting method |
| 04/08/2004 | WO2004029734A1 Electronic clock |
| 04/08/2004 | US20040066300 Method and apparatus for selectively providing an audible low power alert to a user of an electronic device |
| 04/07/2004 | CN1145088C Generator used for clock and clock mechanism using the same generator |
| 04/06/2004 | US6717520 Method and apparatus for selectively providing an audible low power alert to a user of an electronic device |
| 04/01/2004 | WO2004027525A1 Electronic clock |
| 03/30/2004 | US6714487 Watch movement with a microgenerator and method for testing watch movements |
| 03/10/2004 | CN1481520A Analog electronic watch having time reset device following power shortage |
| 03/10/2004 | CN1141626C Timepiece having light transmission type display plate |
| 03/04/2004 | US20040042349 Use of a non-magnetic coating to cover parts in a watch movement |
| 03/04/2004 | US20040041570 Device indicating the state of batteries designed to equip a watch |