| 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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| 06/22/2011 | CN201876676U Wireless jowing device capable of automatically correcting time |
| 06/15/2011 | CN102096372A Method for calibrating satellite system clock based on bus mode |
| 06/15/2011 | CN101581914B Modular structure of time transfer device of power system |
| 06/08/2011 | CN101202545B High-accuracy data receiving time service instrument |
| 06/01/2011 | CN201853095U Photoelectric radio-wave watch |
| 06/01/2011 | CN201853093U LED (light emitting diode) light beam pointer clock |
| 05/25/2011 | CN201845189U 时间和温度显示装置 Time and temperature display means |
| 05/18/2011 | EP2323002A2 Time information-acquiring apparatus and radio wave timepiece |
| 05/18/2011 | CN201837850U Clock delay compensation device |
| 05/18/2011 | CN201837849U Digital clock system with remote controller |
| 05/18/2011 | CN102063055A Redundant UTC (universal coordinated time) time synchronization server |
| 05/18/2011 | CN102063052A Electric wave time correction electronic equipment and electric wave time correction method |
| 05/11/2011 | CN201828785U Beidou/GPS dual-mode time service module |
| 05/11/2011 | CN201828784U Pointer-type radio wave clock movement |
| 05/04/2011 | CN201820093U Master clock of Big Dipper standard clock for police |
| 04/27/2011 | CN201812153U Precise time synchronizing device of digitalized transformer substation |
| 04/27/2011 | CN201812149U Primary-secondary clock system |
| 04/27/2011 | CN102033489A Multifunctional Beidou second generation satellite time service watch and realizing method thereof |
| 04/27/2011 | CN102033486A Time information-acquiring apparatus and radio wave timepiece |
| 04/20/2011 | CN201804507U LED screen for operations |
| 04/20/2011 | CN102025385A Radio synchronous signal receiver for adjusting a time base, and method for activating the receiver |
| 04/20/2011 | CN102023565A Device and method for outputting time information |
| 04/20/2011 | CN101718967B Intelligent electronic clock with laser beam indicators |
| 04/20/2011 | CN101706646B Time integrated test system and method |
| 04/13/2011 | CN201796246U Big bell system based on mobile network |
| 04/13/2011 | CN201796245U Wireless clock system based on wireless sensor |
| 04/13/2011 | CN102012671A Simple multimode high-stability satellite clock device |
| 04/06/2011 | CN201788371U Scene alarm clock |
| 04/06/2011 | CN102004439A Design scheme for time checker of multi-rate watt-hour meter |
| 03/31/2011 | US20110075522 Time information-acquiring apparatus and radio wave timepiece |
| 03/30/2011 | CN201780467U Infrared remote controlled radio control clock with low power consumption |
| 03/30/2011 | CN101995817A Marine secondary clock |
| 03/30/2011 | CN101090572B Apparatus and method for transmitting/receiving time information in mobile communication system |
| 03/24/2011 | US20110070851 Radio-synchronous signal receiver for adjusting a time base, and method for activating the receiver |
| 03/23/2011 | EP2299337A1 Radio synchronous signal receiver for adjusting a time base, and method for activating the receiver |
| 03/23/2011 | CN201773290U Radio clock |
| 03/16/2011 | EP2005260B1 Time correction control apparatus and method of time correction control |
| 03/09/2011 | EP2293157A2 Before/after specific weekday determination device, program and method; specific date data structure; daylight saving time determination device; and timepiece |
| 03/08/2011 | US7903501 Radio-controlled timepiece and control method for a radio-controlled timepiece |
| 03/02/2011 | EP2290215A2 Power supply control device |
| 02/23/2011 | EP2287684A2 Electronic timepiece |
| 02/16/2011 | CN201749321U Bluetooth watch with anti-theft alarm function |
| 02/16/2011 | CN201749320U Loving clock |
| 02/16/2011 | CN101976038A Time self-calibration air conditioner and time self-calibration control method thereof |
| 02/16/2011 | CN101359216B Time adjustment device, timekeeping device, and a time adjustment method |
| 02/16/2011 | CN101344759B Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 01/19/2011 | CN201716542U Time unified system based on wavelet decomposition |
| 01/13/2011 | WO2011004214A1 Improved teleclock receiver utilizing mobile telephone network |
| 01/05/2011 | CN101937189A Wireless clock system based on wireless sensor |
| 01/05/2011 | CN101692163B Method and system for remotely calibrating frequency standards |
| 12/29/2010 | CN101932093A Big clock system based on mobile network |
| 12/29/2010 | CN101930211A Clock source device based on GPS second pulse and control method thereof |
| 12/22/2010 | CN201681269U Multi-path submarine seismograph precision timer |
| 12/22/2010 | CN101924588A Method and system for realizing terminal to acquire network time and time zone |
| 12/22/2010 | CN101075123B Analogue clock display for automobile |
| 12/15/2010 | CN201673377U Wireless timing system based on GPS/Beidou dual-mode time service |
| 12/02/2010 | DE102009022564A1 Method for monitoring change of e.g. time zone, of electronic clock of motor vehicle, involves entering and execution of instructions for monitoring time via push buttons, remote operating device or ignition key of motor vehicle |
| 11/24/2010 | CN201654495U Satellite time transfer integrative machine |
| 11/24/2010 | CN201654492U Wireless primary and secondary clock |
| 11/24/2010 | CN101893890A Portable event sequence recording and time synchronization calibrator |
| 11/11/2010 | WO2010128010A1 Method and device for updating the date and time of an electronic system, in particular a cellular mobile telephone |
| 11/11/2010 | WO2010109306A8 Method and apparatus to determine daylight saving time zone and local time |
| 11/10/2010 | CN101881938A Satellite synchronous master clock device |
| 11/03/2010 | CN101410765B Time correction control apparatus and method of time correction control |
| 10/27/2010 | CN201616004U 全硬件时间同步装置 Full hardware time synchronization device |
| 10/06/2010 | CN201600566U 基于广播电台信号的电表校时装置 When the meter is based on the school radio station signal device |
| 09/30/2010 | WO2010109306A1 Method and apparatus to determine daylight saving time zone and local time |
| 09/15/2010 | EP2228664A1 Satellite signal reception device, and control method for a satellite signal reception device |
| 09/15/2010 | CN1894592B Method of updating the clock bias between a base station of a GSM network and the satellites of a GPS system |
| 09/15/2010 | CN101834599A Synchronizing unit and method for synchronizing distributed wave recording devices |
| 09/14/2010 | US7796548 Time synchronization method in mobile station based on asynchronous scheme and system using the same |
| 09/08/2010 | EP2226690A2 Electronic device and satellite signal reception method for an electronic device |
| 09/08/2010 | CN201576176U GPS time tick converting device |
| 08/24/2010 | US7782718 Analogue time display for motor vehicle |
| 08/12/2010 | US20100204918 Time synchronization method for vehicles having navigation device |
| 08/11/2010 | CN101799658A Backup clock calibrated by GPS |
| 08/11/2010 | CN101241349B Time information receivers |
| 07/28/2010 | CN101231337B High-precision time synchronizing apparatus |
| 07/07/2010 | CN201522616U Optical positioning and controlling system of radio wave clock mechanism |
| 07/07/2010 | CN101770207A Automatic automobile clock correction system and correction method thereof |
| 07/06/2010 | US7750844 Method of updating the clock bias between a GSM network BTS and GPS Satellites |
| 06/23/2010 | CN101750960A Electric wave clock and control method thereof |
| 06/16/2010 | CN101738930A Method, device and system for setting clock |
| 06/09/2010 | CN1754313B Tuning device and radio-wave corrected timepiece |
| 06/02/2010 | CN1591245B Automatic correcting watch |
| 06/02/2010 | CN101718967A Intelligent electronic clock with laser beam indicators |
| 06/01/2010 | US7729681 Radio wave receiving apparatus, radio wave receiving circuit and radio wave timepiece |
| 05/26/2010 | CN1648800B Method for obtaining time information and radio clock |
| 05/12/2010 | CN101706646A Time integrated test system and method |
| 05/11/2010 | US7715279 Time correction device, timepiece having a time correction device, and time correction method |
| 05/05/2010 | CN201449526U Electric wave clock circuit control device |
| 05/05/2010 | CN1774131B Method for providing time information in asynchronous mobile communication system |
| 04/22/2010 | US20100100843 Image processing apparatus and method of controlling the same |
| 04/21/2010 | EP2178294A1 Image processing apparatus and method of controlling the same |
| 04/20/2010 | US7701806 Electronic timepiece with wireless information function |
| 04/20/2010 | US7701390 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 04/14/2010 | CN1638299B Time information transmitter-receiver, and time information transmission-reception integrated circuit |
| 04/07/2010 | CN101692163A Method and system for remotely calibrating frequency standards |
| 03/25/2010 | US20100074059 Radio-controlled timepiece |
| 03/24/2010 | CN201430708Y Timing device of street lamp control box |