| Patents for G04R 20 - Setting the time according to the time information carried or implied by the radio signal (1,375) |
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| 03/16/2010 | US7680485 Radio controlled timepiece, electronic device and time correction method |
| 03/10/2010 | EP2161633A2 Electronic timepiece |
| 03/10/2010 | EP2161632A2 Electronic timepiece and time difference correction method for an electronic timepiece |
| 03/10/2010 | CN201422104Y Satellite clock board for real-time data acquisition |
| 03/10/2010 | CN201421553Y Electric power system multi-mode satellite clock device |
| 03/10/2010 | CN101667009A electronic timepiece |
| 03/10/2010 | CN101667008A Electronic timepiece and time difference correction method for an electronic timepiece |
| 03/04/2010 | US20100057349 Electronic Timepiece and Time Difference Correction Method for an Electronic Timepiece |
| 03/04/2010 | US20100054087 Electronic Timepiece |
| 02/17/2010 | CN201408333Y Time token using GPS to conduct clock calibration |
| 02/17/2010 | CN101650548A Time setting device for digital substation |
| 02/10/2010 | CN201402384Y Primary-secondary clock for wirelessly transmitting standard time with GPS |
| 01/19/2010 | US7649812 Time adjustment device, timepiece with a time adjustment device, and a time adjustment method |
| 12/30/2009 | CN101617278A Radio-controlled timepiece |
| 12/30/2009 | CN100576112C Electric alarm and method for receiving kalendar journey data based on wireless communication mode |
| 12/23/2009 | CN201369712Y IRIG-B time code generator with GPS synchronization |
| 12/16/2009 | CN100570515C Time correction device, timepiece having a time correction device, and time correction method |
| 12/02/2009 | EP2128722A1 Radio-controlled timepiece |
| 12/02/2009 | CN100565390C Method and its device for time service based on GPS technology |
| 12/02/2009 | CN100565388C Radio clock and method of receiving time information |
| 12/02/2009 | CN100565387C Radio-controlled timepiece and method of adjusting the time kept by a radio-controlled timepiece |
| 11/18/2009 | CN101581914A Modular structure of time transfer device of power system |
| 11/04/2009 | CN201340524Y Radio controlled clock signal translating device |
| 10/21/2009 | CN100552571C Wireless timepiece |
| 10/07/2009 | CN201323567Y High precision GPS clock used in detection station of time difference between thunder and lightening |
| 09/30/2009 | CN100545770C Method for obtaining time information and radio clock |
| 09/16/2009 | CN201311560Y Network-type global satellite synchronizing clock |
| 09/09/2009 | CN201307222Y Satellite signal source watch |
| 09/01/2009 | US7583942 Tuning device and radio-wave corrected timepiece |
| 08/26/2009 | EP2093634A2 Satellite signal reception device and control method for a satellite signal reception device |
| 08/20/2009 | DE202009005627U1 Analoge Funkarmbanduhr mit dezentraler Sekunde Analog radio wristwatch with decentralized second |
| 08/19/2009 | CN201293926Y Passive big dipper clock device applying for electric power system |
| 08/19/2009 | CN201293925Y Clock lossless switching device applying for power supply |
| 08/05/2009 | CN101498780A Satellite signal reception device and control method for a satellite signal reception device |
| 08/05/2009 | CN100524103C Method for updating the present time, apparatus using the method |
| 08/05/2009 | CN100524102C Radio controlled watch |
| 07/30/2009 | US20090189809 Satellite Signal Reception Device And Control Method For A Satellite Signal Reception Device |
| 07/29/2009 | CN100520643C Time correction device, timepiece having a time correction device, and time correction method |
| 07/22/2009 | CN100517134C Time reception apparatus and wave clock |
| 07/15/2009 | CN201273997Y 电波时钟 Clock radio |
| 06/25/2009 | US20090164829 Method for increasing a programming speed for a time signal receiver, programmable time signal receiver, and programming device for programming a time signal receiver |
| 06/25/2009 | US20090160705 TimeKeeping Device and Satellite Signal Reception Method for a Timekeeping Device |
| 06/24/2009 | EP2073081A1 Timekeeping device and satellite signal reception method for a timekeeping device |
| 06/03/2009 | CN100495257C Radio wave receiver, radio-controlled timepiece and tuning capacitance setting method |
| 06/03/2009 | CN100495256C Positioning device, positioning method, and timepiece having the positioning device |
| 05/27/2009 | EP2063330A2 Time adjustment device, timepiece with a time adjustment device, and a time adjustment method |
| 05/27/2009 | CN100492955C Method and device for dynamaically saving GPS time |
| 05/27/2009 | CN100492220C RPR dynamic synchronization technology |
| 05/21/2009 | US20090129206 Time Adjustment Device, Timepiece with a Time Adjustment Device, and a Time Adjustment Method |
| 05/19/2009 | US7535953 Time information transmitter-receiver, and time information transmission-reception integrated circuit |
| 05/06/2009 | EP2056175A2 Receiving circuit and timepiece |
| 05/06/2009 | CN201233510Y Pointer type watch with satellite signal source |
| 05/06/2009 | CN101425809A Receiving circuit and timepiece |
| 05/05/2009 | US7529942 Time proof server, terminal, and time proving method |
| 05/05/2009 | US7529157 Time correction control apparatus and method of time correction control |
| 04/30/2009 | US20090111402 Receiving circuit and timepiece |
| 04/22/2009 | CN100480904C Radio controlled timepiece |
| 04/15/2009 | CN101410765A Time correction control apparatus and method of time correction control |
| 04/08/2009 | CN201218906Y Intelligent traffic system with time service implemented by electric wave time reference signal |
| 04/08/2009 | CN100476640C Radio controlled clock, electronic device and time correction method |
| 04/01/2009 | CN201215637Y Time service card and system for computer |
| 03/31/2009 | US7512107 Asynchronous mobile communication terminal capable of setting time according to present location information, and asynchronous mobile communication system and method for setting time using the same |
| 03/18/2009 | EP1697757B1 Method of updating the clock bias between a bts station of a gsm network and the satellites of a gps system |
| 03/04/2009 | CN100465822C Radio wave receiving apparatus, radio wave receiving circuit and radio wave timepiece |
| 02/11/2009 | EP2023218A2 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 02/11/2009 | CN101363906A GPS time service and clock calibrating device for electric power measurement |
| 02/05/2009 | US20090034372 Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method |
| 02/04/2009 | CN101359216A Time adjustment device, timekeeping device, and a time adjustment method |
| 02/03/2009 | US7486657 Radio controlled clock and method for retrieving time information from time signals |
| 01/28/2009 | CN201188180Y Intelligent digital clock capable of automatically timing |
| 01/15/2009 | WO2009008585A1 Time synchronization method for vehicles having navigation device |
| 01/15/2009 | US20090016171 Radio-Controlled Timepiece and Control Method for a Radio-Controlled Timepiece |
| 01/15/2009 | US20090016167 Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method |
| 01/15/2009 | US20090015470 Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method |
| 01/14/2009 | EP2015152A1 Radio-controlled timepiece and control method for a radio-controlled timepiece |
| 01/14/2009 | EP2015151A2 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 01/14/2009 | EP2015150A1 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 01/14/2009 | EP2015095A1 Satellite signal reception device, timekeeping device with a satellite signal reception device, and satellite signal reception method |
| 01/14/2009 | CN201181503Y Multifunctional remote control doorbell |
| 01/14/2009 | CN101344759A Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 01/14/2009 | CN100451880C Radio controlled clock, electronic device, method for controlling radio controlled clock, and program for controlling reception of radio controlled clock |
| 01/06/2009 | US7474594 Time correction device, timepiece having a time correction device, and time correction method |
| 01/01/2009 | US20090003140 Method for wireless programming of a time signal receiver, wirelessly programmable time signal receiver, and programming device for wireless programming of a time signal receiver |
| 12/31/2008 | CN100448314C Mobile phone time calibration and method and system for time setting and display in different time zone |
| 12/24/2008 | EP2005260A1 Time correction control apparatus and method of time correction control |
| 12/17/2008 | CN101324784A Intellectualized standard date time display |
| 12/17/2008 | CN101324659A Low frequency time code propagation delay correcting machine |
| 12/10/2008 | CN201163346Y Electronic clock with high reproducing precision |
| 12/03/2008 | CN201159838Y Radio controlled clock movement |
| 11/19/2008 | CN101308360A Satellite signal source pointer type wristwatch |
| 11/13/2008 | US20080278373 Method of Updating the Clock Bias Between a Gsm Network Bts and Gps Satellites |
| 11/06/2008 | DE202008010972U1 Analoguhr mit Satellitensignal-Synchronisation Analog clock with satellite signal synchronization |
| 10/29/2008 | CN201141916Y GPS equipment of automatic remote real-time monitoring system for client distribution network |
| 10/22/2008 | CN201138434Y GPS satellite time service full-automatic tower clock |
| 10/15/2008 | CN100426881C Time transmission method by using wireless network of supporting assistant GPS function |
| 10/09/2008 | US20080247276 Device and method for managing time information |
| 10/07/2008 | US7433273 Electronic timepiece with wireless information function |
| 09/23/2008 | US7428190 Time reception apparatus and wave clock |
| 09/10/2008 | CN101261494A Method and its device for time service based on GPS technology |
| 09/09/2008 | US7423935 Electronic equipment, and reception control method of electronic equipment |