Patents for G04G 19 - Electric power supply circuits specially adapted for use in electronic time-pieces (1,255) |
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07/04/2001 | CN1301998A Time keeping device and method for control said device |
06/28/2001 | US20010005895 Time keeping apparatus and method for controlling the same |
06/21/2001 | US20010004419 Data-imprinting apparatus for a lens-equipped film unit |
06/21/2001 | US20010004337 Means for recharging a watch accumulator |
06/20/2001 | CN1299975A Voltage detection apparatus, cell residual voltage detection apparatus, voltage detection method and cell residual voltage detection method |
06/06/2001 | CN1298224A AC voltage detecting circuit and method, charging circuit and method, chopper circuit and chopper method and chopper charging circuit and method |
05/30/2001 | CN1297598A Electronic equipment and method of controlling electronic equipment |
05/30/2001 | CN1297543A Electronic timepiece and method for transmitting data for electronic timepiece |
05/30/2001 | CA2327129A1 Transformerless led digital alarm clock |
05/15/2001 | US6233203 Electronic timepiece |
05/15/2001 | US6232543 Thermoelectric system |
05/09/2001 | EP1098235A2 Charging device for electronic timepiece, electronic timepiece, and method for controlling charging device |
05/09/2001 | EP1098234A1 Electronic equipment and method of controlling electronic equipment |
05/08/2001 | US6229766 Dial formed of a solar cell in particular for a timepiece |
05/02/2001 | EP1096651A2 Chopper circuit and chopper circuit control method |
05/02/2001 | EP1096640A2 AC voltage detection circuit and method, charging circuit and method, chopper circuit and chopping method, chopper charging circuit and method, electronic apparatus, and timepiece |
05/02/2001 | CN1293481A Clipper circuit and control method, charging circuit, electron equipment and timing counter |
04/24/2001 | US6222114 Portable wrist device |
04/19/2001 | WO2001027700A1 Electronic timepiece and method of driving electronic timepieces |
04/18/2001 | EP1093212A1 Chopper circuit, chopper circuit control method, chopper-type charging circuit, electronic device, and timekeeping apparatus |
04/18/2001 | EP1093203A1 Electronic equipment and method of controlling electronic equipment |
04/12/2001 | DE19926819C1 Mobile radio device with stop-watch function has control signal for stop-watch obtained from information signal transmitted between 2 mobile radio devices |
04/04/2001 | CN1290359A Electronic device, and method for controlling the electronic device |
04/03/2001 | US6212133 Low power GPS receiver system and method of using same |
03/28/2001 | EP1087269A1 Electronic timepiece and method for transmitting data for electronic timepiece |
03/28/2001 | CN1289476A Power supply device, power supply method, portable electronic apparatus, and electronic timepiece |
03/27/2001 | US6208119 Electronic speed-control circuit |
03/27/2001 | US6208055 Electromagnetic transducer and electronic device including the transducer |
03/21/2001 | CN1288535A Electronically controlled mechanical watch and method of preventing overcharge |
03/20/2001 | US6205091 Method and apparatus for controlling a solar-powered radio-controlled timepiece when a storage element is inadequately charged |
03/07/2001 | CN1286765A Electronic timepiece, and method of power supply and time adjustment thereof |
02/27/2001 | US6194878 Electronic speed control circuit |
02/07/2001 | CN2418501Y Improved world clock |
01/30/2001 | US6181648 Electronic watch equipped with solar cell |
01/25/2001 | DE19931796A1 Electrical device has electrical loads, control unit, mains stage and clock unit supplied by solar cell unit and/or accumulator when mains stage is switched off by control unit |
01/23/2001 | US6176611 System and method for reducing power consumption in waiting mode |
01/10/2001 | EP1067667A1 Power supply device, power supply method, portable electronic apparatus, and electronic timepiece |
01/09/2001 | US6172943 Electronic clock having an electric power generating element |
12/27/2000 | EP1063574A1 Watch with an additional electrical apparatus |
12/21/2000 | WO2000077581A1 Electronic timepiece |
11/29/2000 | EP1055981A1 Electronically controlled mechanical watch and method of preventing overcharge |
11/29/2000 | EP1055980A1 Electronic device, and method for controlling the electronic device |
11/28/2000 | US6154422 Power-generating device, charging method and clocking device |
11/23/2000 | WO2000070411A1 Electronic equipment and method of controlling electronic equipment |
11/14/2000 | US6147935 Transformerless LED digital alarm clock |
11/14/2000 | US6147564 Oscillation circuit having electrostatic protective circuit |
11/09/2000 | WO2000067079A1 Electronic clock and method of controlling the clock |
11/07/2000 | US6144621 Charging type electronic timepiece |
10/31/2000 | US6140863 Power-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewith |
10/12/2000 | WO2000060419A1 Electronic apparatus and method for controlling electronic apparatus |
10/11/2000 | EP1043781A1 Thermoelectric generation unit and portable electronic device using the unit |
10/10/2000 | US6130773 Nonemissive displays and piezoelectric power supplies therefor |
10/05/2000 | WO2000059091A1 Electronic equipment and method of controlling electronic equipment |
10/05/2000 | WO2000058792A1 Electronic timepiece and method for transmitting data for electronic timepiece |
10/04/2000 | EP1041468A1 Means and method to store the time in a mobile telephone |
10/04/2000 | EP1041467A1 Means and method to store the time in a mobile telephone |
10/04/2000 | EP1041462A1 Power-saving electronic watch and method for operating electronic watch |
09/26/2000 | US6124649 Micro-generator module and clockwork movement containing such a micro-generator |
09/19/2000 | US6122185 Electronic apparatus |
09/13/2000 | CN1266508A Power generation device and electronic timepiece using the device |
09/12/2000 | US6118258 Electrical apparatus supplied by a photo-voltaic power source |
09/12/2000 | US6118219 AC driver having three power supply voltages including an internally generated voltage |
09/06/2000 | EP1033634A1 Electronic timepiece, and method of power supply and time adjustment thereof |
08/16/2000 | EP1028381A2 Portable messaging and scheduling device with homebase station |
08/16/2000 | CN1263613A Portable wrist device |
08/09/2000 | EP1026559A1 Electronic watch with generating function |
08/01/2000 | US6097257 Crystal oscillator circuit having transistor with back gate voltage control |
07/12/2000 | EP1018675A2 Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepiece |
07/12/2000 | CN1259691A Time piece and method for controlling same |
07/08/2000 | CA2292680A1 Time switch |
06/28/2000 | EP1014235A2 Time display device |
06/28/2000 | EP1014230A1 Timepiece having an electrical energy generator |
06/28/2000 | EP1014229A2 Electronic apparatus and control method for electronic apparatus |
06/28/2000 | EP1014228A2 Portable electronic device and control method for the same |
06/28/2000 | EP1014227A2 Time-measurement device and method of controlling the same |
06/22/2000 | WO2000036474A1 Electronic device, and method for controlling the electronic device |
06/21/2000 | CN1257232A Portable electronic equipment and control method thereof |
06/21/2000 | CN1257231A Electronic device and control method thereof |
06/14/2000 | CN2383093Y Inverse timer for test |
06/14/2000 | CN1256442A Portable electronic equipment and control method of the same |
06/14/2000 | CN1256441A Power supply device, portable electronic device, timing device and their control method thereof |
06/13/2000 | US6075757 Thermoelectrically operated timepiece |
06/08/2000 | WO2000033454A1 Power supply device, power supply method, portable electronic apparatus, and electronic timepiece |
06/07/2000 | EP1006640A2 Portable electronic device and control method for controlling the protable electronic device |
06/06/2000 | US6072401 Portable messaging and scheduling device with homebase station |
05/30/2000 | US6069850 Method and apparatus for driving a battery-backed up clock while a system is powered-down |
05/30/2000 | US6069846 Electronic clock |
05/25/2000 | WO2000029913A1 Electronically controlled mechanical watch and method of preventing overcharge |
05/24/2000 | CN1254112A Light wrist device |
05/24/2000 | CN1254111A Electronic device capable of producing thermoelectricity |
05/23/2000 | US6067277 Dial formed of a solar cell in particular for a timepiece |
05/17/2000 | EP1001471A1 Thermoelectric generating electronic timepiece |
05/17/2000 | EP1001470A1 Thermoelectronic generating electronic device |
05/17/2000 | EP1001318A1 Portable wrist device |
05/09/2000 | US6061304 Electronic watch |
05/09/2000 | US6060862 Rechargeable electronic apparatus |
04/27/2000 | WO2000023853A1 Electronic timepiece |
04/27/2000 | WO2000023852A1 Power-saving electronic watch and method for operating electronic watch |
04/26/2000 | EP0843576B1 Movement powered medical pulse generator having a full-wave rectifier with dynamic bias |
04/19/2000 | CN1251180A Electronic device and method for controlling electronic device |