| Patents for G04C 10 - Arrangements of electric power supplies in time-pieces (1,992) |
|---|
| 04/08/1980 | US4196579 Mechanically operating pendulum clock with an electronic correcting device |
| 03/25/1980 | US4194351 Electronic timepiece |
| 01/22/1980 | US4184894 Integrated photovoltaic generator |
| 01/22/1980 | US4184318 Time indicating device for electronic digital type car clocks |
| 01/15/1980 | US4183628 Electronic watch and display device for such watch |
| 01/08/1980 | US4182110 Electronic wristwatch including auxiliary power supply |
| 01/08/1980 | US4182020 Method of manufacturing a battery cover for placement in an opening in a battery container |
| 01/01/1980 | US4181885 Electrical cell charge energy measuring method and apparatus |
| 12/11/1979 | US4177632 Electronic watch |
| 11/27/1979 | US4175377 Timepiece with display device for warning battery life |
| 11/06/1979 | US4173756 Abnormal voltage detection circuit |
| 10/02/1979 | US4169920 Hermetically sealed electrochemical battery |
| 09/11/1979 | CA1062023A1 Electronic time piece with time adjustment restricted to battery replacement operation |
| 09/04/1979 | US4166359 Watch battery hatch construction |
| 08/28/1979 | US4165604 Solar battery timepiece |
| 08/21/1979 | US4165477 Instrument intended to be carried at the wrist |
| 07/31/1979 | US4163193 Battery voltage detecting apparatus for an electronic timepiece |
| 07/03/1979 | US4160176 Electronic watch |
| 06/19/1979 | US4158287 Driver circuit for electro-mechanical transducer |
| 06/12/1979 | US4158144 Circuit arrangement for the transmission of electrical supply power |
| 03/20/1979 | US4144704 Safety device for battery-operated watches |
| 02/13/1979 | US4139279 Electronic instrument |
| 01/09/1979 | US4134057 Device for enabling an accumulator to be recharged from a source of electrical energy |
| 12/26/1978 | US4131864 Low voltage compensator for power supply in a complementary MOS transistor crystal oscillator circuit |
| 12/26/1978 | US4130988 Electronic circuit for electronic watch |
| 12/26/1978 | US4130987 Timepiece |
| 12/19/1978 | US4129981 Electronic timepiece |
| 12/12/1978 | US4129792 Driver buffer circuit using delay inverters |
| 11/21/1978 | US4126822 Electrostatic generator and motor |
| 11/21/1978 | US4125995 Electronic timepiece |
| 10/10/1978 | US4118922 Electronic watch or clock and accessory devices therefor |
| 09/19/1978 | US4114365 Battery lead plate member for an electronic wrist watch |
| 09/12/1978 | US4112764 Automatic on/off digitally timed electronic switch |
| 08/15/1978 | US4107400 Battery hatch cover |
| 08/15/1978 | US4106279 Wrist watch incorporating a thermoelectric generator |
| 08/01/1978 | US4103483 Electronic wristwatch |
| 06/20/1978 | US4095411 Electronic wristwatch having an alarm device |
| 06/13/1978 | US4095217 Combined liquid crystal display and photovoltaic converter |
| 06/13/1978 | US4094137 Voltage conversion system for electronic timepiece |
| 06/13/1978 | US4094136 Electronic timepiece inspection circuit |
| 05/23/1978 | USRE29637 Battery-driven watch with battery consumption display alarm |
| 05/23/1978 | US4091302 Portable piezoelectric electric generating device |
| 05/09/1978 | US4087960 Solar battery wristwatch |
| 05/09/1978 | US4087957 Movement construction for small size analog quartz timepiece |
| 04/18/1978 | US4084404 Electronic watch |
| 03/28/1978 | US4080780 Electronic time keeping system |
| 03/07/1978 | US4077199 Small sized electronic timepiece movement |
| 02/28/1978 | USRE29551 Electronic watch movement mounting and connection |
| 02/21/1978 | US4074515 Electronic timepiece with battery life display |
| 02/14/1978 | US4074245 Power failure alarm |
| 02/14/1978 | US4073132 Watch case construction |
| 01/31/1978 | US4070821 Electric watch battery contact spring |
| 11/22/1977 | US4058969 Electric timepiece for displaying the operating condition thereof |
| 08/23/1977 | US4043113 Electric watch battery retainer |
| 08/23/1977 | US4043112 Electronic timepiece having a battery voltage monitor |
| 08/23/1977 | US4043110 Electronic timepiece battery-potential detecting circuit |
| 08/16/1977 | US4041691 Electronic timepiece battery monitoring circuit |
| 08/09/1977 | US4041214 Batteries for watches and hearing aids |
| 08/09/1977 | US4041213 Anisotropically conductive elastomer envelope providing a mechanical seal |
| 07/26/1977 | US4038104 Solar battery |
| 07/26/1977 | US4037399 Electronic timepiece battery potential detecting circuitry |
| 06/28/1977 | US4032864 Electronic circuit having a misfet as an amplifying element |
| 06/14/1977 | US4028880 Life display device of a cell incorporated into an electronic timepiece |
| 05/24/1977 | US4025702 Battery construction |
| 05/17/1977 | US4024415 Detecting device for detecting battery outlet voltage |
| 04/05/1977 | US4015420 Battery select circuitry and level translator for a digital watch |
| 03/29/1977 | US4014164 Electronic timepiece including battery monitoring arrangement |
| 03/15/1977 | US4011713 Battery powered electronic timepiece with voltage regulation |
| 02/22/1977 | US4008566 Electronic watch generator |
| 02/08/1977 | US4007122 Lithium halide and silicon oxide andor aluminum oxide |
| 02/08/1977 | US4006585 Electronic timepiece with electrochromic display element |
| 02/08/1977 | US4006583 Electronic display device for timepiece and the like |
| 01/18/1977 | US4003198 Electronic timepiece |
| 01/18/1977 | US4003197 Watch monitor |
| 01/04/1977 | US4001808 Electronic device for monitoring power consumption of an electro-optical display |
| 12/21/1976 | US3998043 Electric timepiece for displaying the operating condition thereof |
| 11/30/1976 | US3994483 Spring for maintaining in place an electric component and for ensuring its electric contact |
| 11/23/1976 | US3993985 Indicator for the condition of a battery operating a timepiece |
| 11/16/1976 | US3991553 Low voltage battery indicator for a solid state watch |
| 10/05/1976 | US3984257 No fault battery insertion device |
| 08/10/1976 | US3973706 Connection from watchband-carried battery to electronic watch |
| 07/27/1976 | US3971206 Distributed watch |
| 07/27/1976 | US3971205 All electronic-type timepiece |
| 07/13/1976 | US3968640 Digital watch with elastomer housing block and flexible printed circuitry |
| 06/29/1976 | US3966498 Energy cell configuration for a timepiece |
| 06/15/1976 | US3962859 Cell replacement indication device |
| 06/08/1976 | US3961472 Solid state electronic timepiece |
| 04/27/1976 | US3952497 Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device |
| 04/20/1976 | US3950940 Electronic timepiece |
| 04/13/1976 | US3949545 Quartz crystal timepiece |
| 03/23/1976 | US3945193 Battery holder |
| 02/10/1976 | US3937001 Watch movement driven by a spring and regulated by an electronic circuit |