| Patents for G04C 10 - Arrangements of electric power supplies in time-pieces (1,992) |
|---|
| 09/25/1984 | US4473302 Powered by a battery |
| 08/01/1984 | EP0029050B1 Digital display clock |
| 07/17/1984 | US4460281 Mounting arrangement for printed circuits in electronic watches |
| 06/12/1984 | US4453833 Movement structure for hand display type electronic watch |
| 05/29/1984 | US4451161 Movement for an electronic watch with analogue display |
| 04/10/1984 | US4441826 Electronic timepiece |
| 04/10/1984 | US4441825 Low-power integrated circuit for an electronic timepiece |
| 03/20/1984 | US4437769 Electronic timepiece |
| 03/15/1984 | WO1984001041A1 Portable mini ac generator/dc accumulator for a mini power capacity |
| 03/06/1984 | US4435089 Power circuit for an electronic timepiece |
| 03/06/1984 | US4435088 Battery switch plate for a timepiece |
| 02/21/1984 | US4433295 Process and apparatus for determining the state of charge of a battery |
| 02/07/1984 | US4430009 Arrangement for securing and electrically contacting a battery in a watch |
| 01/25/1984 | EP0099308A1 Quartz clock |
| 01/24/1984 | US4428040 Low power consumption electronic circuit |
| 01/03/1984 | US4424457 Voltage level detecting circuit |
| 12/06/1983 | US4419017 Electronic clock |
| 11/22/1983 | US4416550 Drive assembly for a timepiece |
| 11/15/1983 | US4415273 Microprocessor driven digital display alarm clock |
| 10/04/1983 | US4407590 Battery unit for an electric timepiece |
| 09/13/1983 | US4404624 Power circuit for electronic timepiece |
| 08/16/1983 | US4398832 Multifunction timepiece |
| 08/09/1983 | US4397564 Electronic timepiece |
| 07/26/1983 | US4395138 Electronic timepiece |
| 07/05/1983 | US4392006 Solar cell activation system |
| 06/21/1983 | US4389704 Power source supply system |
| 06/14/1983 | US4388002 Connector for arrangement for a-c. clock mechanism |
| 03/30/1983 | EP0075129A2 Voltage dropping or voltage increasing electronic circuit |
| 03/22/1983 | US4377781 Selectively adjustable voltage detection integrated circuit |
| 01/04/1983 | CA1138655A1 Energy system for electronic watch |
| 12/07/1982 | US4362399 Circuit for an electronic clock having a parallel-connected alarm device and stepper motor |
| 12/07/1982 | US4362396 Battery holder for electronic wrist watch |
| 11/09/1982 | US4358728 Voltage control circuit responsive to FET propagation time |
| 10/05/1982 | CA1133108A1 Substrate board/carrier frame assembly |
| 09/01/1982 | EP0059164A1 Multifunctional watch |
| 06/29/1982 | US4337529 Pace timing device |
| 06/01/1982 | CA1124787A1 Dc-dc converter for charging a battery by means of a solar cell |
| 05/04/1982 | US4328572 Voltage control system for electronic timepiece |
| 05/04/1982 | US4328570 Electronic timepiece with illumination lamp battery voltage drop compensation circuit |
| 03/30/1982 | US4322639 Voltage detection circuit |
| 03/23/1982 | US4321541 Cell capacity detector |
| 03/16/1982 | US4320477 Energy system for electronic watch |
| 02/16/1982 | US4316275 Charging control circuit for electronic timepiece |
| 02/16/1982 | US4316274 Battery life indication method for an electronic timepiece |
| 02/09/1982 | US4315328 Battery-driven clock with indicator of the end of life of the battery |
| 01/19/1982 | US4312058 Electronic watch |
| 01/05/1982 | US4309627 Detecting circuit for a power source voltage |
| 12/22/1981 | US4307449 Electronic time-counter for the diving |
| 11/03/1981 | US4298971 Electronic timpiece |
| 10/20/1981 | US4296489 Electronic timepiece |
| 10/06/1981 | US4293782 Voltage detecting circuit |
| 09/22/1981 | US4291266 Device for charging an accumulator from an electrical energy source more particularly for an electronic watch |
| 09/15/1981 | US4290129 Electronic watch with supplemental function display |
| 07/28/1981 | US4281405 Reduction of energy consumption of electronic timepiece |
| 07/28/1981 | US4281260 Controlled power supply for integrated circuits |
| 07/21/1981 | US4280208 Electronic timepiece |
| 07/07/1981 | CA1104653A1 Electrical cell charge energy measuring method and apparatus |
| 06/30/1981 | US4276629 Solar battery timepiece |
| 06/16/1981 | US4274153 Movement construction for electronic timepiece |
| 06/16/1981 | US4274044 DC-DC Converter for charging a battery by means of a solar cell |
| 05/27/1981 | EP0029050A1 Digital display clock. |
| 05/05/1981 | US4266178 Charge control circuit |
| 04/21/1981 | USRE30588 Electric timepiece for displaying the operating condition thereof |
| 04/14/1981 | US4262350 Solid state electronic timepiece with lamp |
| 04/14/1981 | US4262349 System for signalling the termination of the lifetime of a battery for electronic timepieces |
| 04/14/1981 | US4262345 Electronic clock having an analog display and a plurality of digital functions |
| 04/14/1981 | US4262062 Metal-air battery with environment control for intermittent high current demand |
| 04/07/1981 | US4261049 Wristwatch with solar cells |
| 03/31/1981 | US4259737 Electronic watch |
| 03/31/1981 | US4259736 Electronic timepiece |
| 03/24/1981 | US4258310 Selectively adjustable voltage detection integrated circuit |
| 03/04/1981 | EP0024364A1 Retaining device for a cell in an electronic wrist-watch |
| 02/17/1981 | US4251604 Battery assembly for electronic timepieces |
| 02/10/1981 | US4250523 Electronic timepiece |
| 01/22/1981 | WO1981000157A1 Watch with molded dome adapted to the works |
| 01/06/1981 | US4244039 Electro-mechanical watch |
| 12/30/1980 | US4242745 Electronic timepiece with electroacoustic transducer |
| 12/23/1980 | US4241440 Battery-containing crown for wristwatches |
| 12/23/1980 | US4241439 Substrate board/carrier frame assembly |
| 12/16/1980 | US4240021 Solar cell battery charging control system |
| 12/11/1980 | WO1980002753A1 Digital display clock |
| 11/25/1980 | US4236237 Electronic wristwatch |
| 11/18/1980 | US4234947 Solar battery powered timepiece |
| 11/18/1980 | US4234946 Electronic wristwatches |
| 11/04/1980 | US4232383 Electronic timepiece battery monitoring circuit |
| 10/29/1980 | EP0017733A2 Electric watch with interconnecting plate |
| 10/28/1980 | CA1088622A1 Battery hatch cover |
| 10/21/1980 | US4228646 Electronic timepiece with indication disk for internal state of timepiece |
| 10/14/1980 | US4228389 Non-reversible consumer replaceable watch battery |
| 09/23/1980 | US4223522 Electronic timepiece |
| 09/23/1980 | US4223521 Wristwatch movement |
| 09/02/1980 | US4219999 Electronic timepiece equipped with battery life display |
| 08/12/1980 | US4217540 Voltage regulated electronic timepiece |
| 08/12/1980 | US4216648 System for detecting the end useful life of a battery in an electronic time-piece |
| 08/12/1980 | US4216646 Electronic watch |
| 07/22/1980 | US4213292 Thermoelectrically-powered wrist watch |
| 07/15/1980 | US4212157 Solid state clock |
| 07/15/1980 | CA1081477A1 Wrist watch incorporating a thermoelectric generator |
| 07/01/1980 | US4209972 Digital electronic timepiece having an alarm display |
| 05/06/1980 | CA1076840A1 Automatic on/off digitally timed electronic switch |