| Patents for G04C 10 - Arrangements of electric power supplies in time-pieces (1,992) |
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| 03/07/1995 | US5396473 Timepiece including a power cell compartment closed by a gasket seal |
| 10/26/1994 | EP0621519A2 Timepiece with indication of life expiry of the battery |
| 10/18/1994 | US5357492 Apparatus for indicating times and/or date in portable recording unit |
| 10/05/1994 | EP0547083B1 Generator |
| 09/15/1994 | DE4307859A1 Safety shutdown of electric devices |
| 08/25/1994 | DE4305242A1 Electrical crystal alarm clock |
| 08/03/1994 | EP0608734A2 Wristwatch |
| 08/03/1994 | CN1090401A Timepiece including a power cell compartment closed by a gasket seal |
| 07/26/1994 | US5333123 Continuous waterproof timepiece case with integral case back blank |
| 07/13/1994 | CN1025461C Electromechanical timepiece |
| 06/29/1994 | EP0603815A2 Electronic clock independent of main electricity supply |
| 06/29/1994 | CN1025250C Electronic wristwatch with function of easyly changing cell |
| 06/01/1994 | EP0599029A2 Electronic circuit for charging a capacitor with reduced power demand |
| 05/18/1994 | EP0597357A1 Timepiece with a battery-cover sealed by a gasket |
| 04/13/1994 | EP0591557A1 Hand-indication electronic timepiece |
| 03/23/1994 | EP0588042A2 Radio clock |
| 03/22/1994 | US5297119 Data storage apparatus |
| 03/16/1994 | EP0586851A2 Network independent electronic clock |
| 03/16/1994 | EP0586643A1 Watch assembly with a power source consisting of a photovoltaic cell. |
| 02/02/1994 | CN1023666C Analogue electronic timepiece |
| 01/18/1994 | US5280459 Electronic timepiece |
| 01/13/1994 | DE4220452A1 Battery operated clock or small watch esp. wrist watch with alarm and auxiliary load - has unit for testing charge condition of battery watch and auxiliary load switched on for short time |
| 01/11/1994 | US5278806 Wristwatch |
| 01/05/1994 | EP0577220A1 Game device including a continuously working time-piece |
| 01/05/1994 | DE4321984A1 Clock mechanism with time and date display - has year etc. adjuster for display voltage source switching after its last use switch-off. |
| 01/05/1994 | CN2152226Y Solar battery electronic clock |
| 12/29/1993 | EP0575781A2 Electronic commutating device |
| 12/29/1993 | CN2151488Y Chargeable electronic watch |
| 11/23/1993 | US5263577 Holder for a replacement battery for a watch |
| 11/11/1993 | WO1993022712A1 Hand-indication electronic timepiece |
| 09/30/1993 | WO1993019405A1 Watch assembly with a power source consisting of a photovoltaic cell |
| 09/15/1993 | EP0560321A2 Electronic timepiece |
| 09/14/1993 | US5245580 Electromechanical timepiece |
| 09/07/1993 | US5243578 Electronic timepiece |
| 08/19/1993 | DE4204237A1 Solar-powered battery-charging station for dictating machine - has facility for information to be transmitted between station and rechargeable appts. in either direction and displayed |
| 08/04/1993 | EP0553722A2 Small autonomous radio timepiece with analogue display, in particular wristwatch radio |
| 06/23/1993 | EP0547083A1 Generator. |
| 06/16/1993 | CN1073301A Lithium-iodine battery |
| 06/02/1993 | EP0544195A1 Container for replacement battery for watch |
| 06/02/1993 | EP0408572B1 Thermogenerator |
| 06/02/1993 | CN1072781A Holder for replacement battery for watch |
| 05/29/1993 | CA2083344A1 Holder for a replacement battery for a watch |
| 03/11/1993 | DE4229400A1 Electric quartz or radio quartz clock with waking up alarm unit - contains electric current supply for quartz movement also analogue or digital time indicator or both and hand operated winder which drives electric generator |
| 02/10/1993 | EP0526684A2 Lithium-iodine battery |
| 02/08/1993 | CA2075430A1 Lithium-iodine battery |
| 01/27/1993 | CN1068431A Wristwatch including integrally formed caseband-bezel attachment lugs and back cover |
| 01/19/1993 | US5181192 Housing for an energy cell in a wristwatch |
| 01/07/1993 | EP0521327A1 Wrist-watch comprising a bezel-middle, horns and a back-cover all made in one piece |
| 12/15/1992 | US5172348 Wristwatch adapted to receive messages broadcast by radio |
| 12/15/1992 | CA1311364C Electronic timepiece |
| 10/28/1992 | EP0510730A2 Analog electronic timepiece |
| 09/29/1992 | US5151886 Analog electric timepiece using an intermittent driving signal |
| 09/02/1992 | CN2114845U Electric supply device quartz watch movement run test |
| 08/13/1992 | DE4103714A1 Microelectronic component with contact functions for analogue quartz clockwork - designed for inserting in battery chamber of quartz analogue watch and with contact surfaces brought in contact with existing original contact springs of battery chamber |
| 08/13/1992 | DE4103697A1 Circuit for current supply of electronic appliance from highly resistive battery - has capacitor arranged between appliance and battery esp. lithium iodide battery at which battery voltage is directly applied and electronic appliance includes IC |
| 08/13/1992 | DE4103696A1 Circuit for current supply of electronic appliance from battery - has capacitor connected in parallel to appliance which is charged up across one or more diodes producing voltage drop operated in their passage direction |
| 07/14/1992 | US5130960 Power supplies for electronic device |
| 07/14/1992 | US5130956 Clock |
| 06/03/1992 | EP0488354A2 Data storage apparatus |
| 05/20/1992 | CN2105087U Solar analog-type quartz accutron |
| 04/29/1992 | EP0483065A1 Wristwatch |
| 04/28/1992 | CA1299378C Quartz analog watch movement with lavet-stepping motor and large energy cell |
| 04/01/1992 | CN1016113B Electronic timepiece |
| 03/26/1992 | DE4041696C1 Charge state monitor for power source of electronic timepiece - has output voltage measurer connected to counter for lower and upper thresholds |
| 03/19/1992 | WO1992004662A1 Generator |
| 03/11/1992 | EP0474101A1 Electric current generating device |
| 03/04/1992 | CN1059211A Electromechanical timepiece |
| 02/26/1992 | EP0472061A1 Electromechanical timepiece |
| 02/12/1992 | CN1058659A Electric equipment |
| 01/22/1992 | EP0467667A2 Power supply circuit for electronic equipment |
| 12/18/1991 | CN1057117A Wristwatch adapted to receive messages broadcast by radio |
| 12/18/1991 | CN1057116A Housing for energy cell in wristwatch |
| 12/11/1991 | EP0460526A1 Wrist-watch provided with means for receiving radio messages |
| 12/11/1991 | EP0460525A1 Housing for the battery of a wristwatch |
| 12/08/1991 | CA2044054A1 Wristwatch adapted to receive messages broadcast by radio |
| 11/06/1991 | EP0455601A1 Electronic time-piece |
| 10/30/1991 | CN1014555B Charging device of electronic appliances |
| 10/30/1991 | CN1014554B Electronic timepice |
| 07/10/1991 | CN1013153B Electronic wristwatch with generator |
| 06/26/1991 | EP0433960A2 Electronic watch |
| 04/23/1991 | US5010532 Electronic watch having an opening for receiving a battery and a cover closing this opening, and method of mass-producing this watch |
| 04/03/1991 | EP0420796A1 Electronic timepiece |
| 01/23/1991 | EP0408572A1 Thermogenerator. |
| 12/13/1990 | WO1990015368A1 Electrical energy source containing a photo-voltaic cell |
| 11/01/1990 | WO1990013189A1 Low battery indicator |
| 07/03/1990 | US4939707 Electronic wristwatch with generator |
| 06/21/1990 | DE3842050A1 Quartz timepiece with an analogue display device |
| 03/20/1990 | US4910720 Watch having a visible energy producing oscillatory mass |
| 03/20/1990 | US4910415 Interconnection between a battery cell and a printed circuit board in an electric apparatus |
| 02/13/1990 | US4901295 Device comprising a solar cell for winding a barrel spring |
| 01/03/1990 | EP0348856A1 Electronic watch having an opening for receiving a battery and a hatch for closing said opening, and method of manufacturing said watch |
| 12/05/1989 | US4885730 Analog electronic timepiece using an intermittent driving signal |
| 11/21/1989 | US4882717 Charging circuit for an analog electronic timepiece |
| 10/10/1989 | US4873677 Charging apparatus for an electronic device |
| 09/27/1989 | EP0334088A1 Watch |
| 09/14/1989 | DE3906861A1 Power supply unit (energy supply unit) |
| 08/24/1989 | WO1989007836A1 Thermogenerator |
| 08/23/1989 | CN1035010A Electronic wristwatch with generator |
| 08/17/1989 | DE3903706A1 Clock having an electronic clock module |
| 08/09/1989 | CN1034623A Electronic timepiece ii |