| 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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| 07/04/2012 | CN102540869A Satellite time service method and device in mobile communication system |
| 07/04/2012 | CN102540868A Slow clock crystal frequency compensation method and device for mobile communication terminal |
| 07/04/2012 | CN102540211A BD-1 (Big Dipper No. 1) satellite multiple crystal oscillator time service system and method thereof |
| 07/04/2012 | CN102539877A Resistive current energized monitoring system for metal oxide arrester (MOA) based on compass synchronous time service |
| 07/04/2012 | CN101498780B Satellite signal reception device and control method for a satellite signal reception device |
| 06/27/2012 | CN1902648B Time proof server, terminal, and time proving method |
| 06/27/2012 | CN102520607A Method for sharing standard time between timing watches |
| 06/27/2012 | CN101750960B Electric wave clock and control method thereof |
| 06/21/2012 | WO2012079326A1 Device and method for outputting time information |
| 06/20/2012 | CN102508423A IRIG-B (Inter-Range Instrumentation Group-B) time-setting method adopting enhanced capture module |
| 06/07/2012 | US20120142372 Method and Device for Updating the Date and Time of an Electronic System, in Particular a Cellular Mobile Telephone |
| 06/06/2012 | CN202267833U Timing decoding module of electric wave clock |
| 05/30/2012 | CN102033486B Time information-acquiring apparatus and radio wave timepiece |
| 05/23/2012 | CN101834599B Synchronizing unit and method for synchronizing distributed wave recording devices |
| 05/16/2012 | CN102455656A Automobile clock calibration system and calibration method |
| 05/09/2012 | CN202217148U Chinese code radio wave clock with functions of humiture atmospheric pressure detection and weather forecast |
| 05/09/2012 | CN202217144U Pointer positioning mechanism of watch and radio wave watch applying mechanism |
| 05/02/2012 | EP2448342A1 Method and apparatus for realizing summer time in cdma system |
| 05/02/2012 | CN102436174A Method and corresponding device for taming crystal oscillation frequency of time-keeping device |
| 05/02/2012 | CN102436172A Multifunctional watt-hour meter and GPS timing system |
| 05/01/2012 | US8169857 Electronic timepiece |
| 04/25/2012 | EP1604250B1 Radio wave receiver, radio-controlled timepiece and tuning capacitance setting method |
| 04/17/2012 | US8160184 Radio clock and method for extracting time information |
| 04/12/2012 | US20120086600 Chip cards providing trusted time references |
| 04/11/2012 | CN102411147A Unidirectional time-service discipline system and method for Beidou-I satellite system |
| 04/05/2012 | WO2012041901A1 Precise time synchronisation of network subscribers |
| 04/04/2012 | EP1540835B1 Radio wave reception device and radio wave clock |
| 03/29/2012 | DE102010041675A1 Hochgenaue Uhrzeitsynchronisation von Netzwerkteilnehmern High-Precision Time Synchronization Network Nodes |
| 03/21/2012 | CN102385307A Clock error measuring method of satellite-to-earth time system |
| 03/14/2012 | EP2428858A1 Chip cards providing trusted time references |
| 03/14/2012 | EP2428025A1 Method and device for updating the date and time of an electronic system, in particular a cellular mobile telephone |
| 03/14/2012 | EP1698950B1 Radio controlled clock, electronic device and time correction method |
| 03/14/2012 | CN202167090U Device for monitoring family environment and receiving and playing the weather forecast |
| 03/06/2012 | US8131243 Receiving circuit and timepiece |
| 03/01/2012 | US20120051191 Time Adjustment Device, Timekeeping Device with a Time Adjustment Device, and a Time Adjustment Method |
| 02/29/2012 | EP2423765A2 Electronic device |
| 02/22/2012 | CN1684010B 无线电钟表的接收电路及接收电路的操作方法 Operation of radio timepiece reception circuit and a receiving circuit |
| 02/15/2012 | CN102354101A Time service method and device using navigational satellite |
| 02/14/2012 | US8116170 Timekeeping device and satellite signal reception method for a timekeeping device |
| 02/08/2012 | CN202141903U Pointer-type GPS self-calibration clock |
| 02/01/2012 | EP2413204A2 Time information acquiring apparatus and radio-controlled timepiece |
| 02/01/2012 | EP2413203A2 Time information acquiring apparatus and radio-controlled timepiece |
| 02/01/2012 | EP1426839B1 Radio corrected clock |
| 02/01/2012 | CN202133872U GPS signal reception and synchronized clock device for ship |
| 01/25/2012 | CN102331707A Electronic timepiece and time difference correction method for an electronic timepiece |
| 01/18/2012 | EP2407836A2 Marker detecting apparatus and radio-controlled timepiece |
| 01/18/2012 | EP2407835A2 Radio controlled timepiece |
| 01/18/2012 | CN102323744A High-precision and independent time-keeping type ground time service instrument used on ground in complex environment |
| 01/11/2012 | CN101738930B Method, device and system for setting clock |
| 01/10/2012 | US8095158 Time setting method and apparatus for use in a mobile communication terminal |
| 01/04/2012 | CN202102261U Clock |
| 01/04/2012 | CN101930211B Clock source device based on GPS second pulse and control method thereof |
| 12/28/2011 | CN202093332U Vehicular electronic clock display device |
| 12/28/2011 | CN202093330U German electric wave clock |
| 12/21/2011 | CN102289346A 一种应用gps校时模块给设备校时的方法 Modules for equipment to school when the school when an application gps |
| 12/21/2011 | CN102289195A 电子钟表 Electronic watches |
| 12/14/2011 | EP1669818B1 Radio controlled clock, electronic device, method for controlling radio controlled clock, and program for controlling reception of radio controlled clock |
| 12/14/2011 | CN102279561A 一种通过无线网络自动更新时间的手表 One kind of wireless network automatically update the time watch |
| 12/14/2011 | CN102063055B Redundant UTC (universal coordinated time) time synchronization server |
| 12/13/2011 | US8077551 Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |
| 12/07/2011 | CN202067096U Radiowave timing controller |
| 12/07/2011 | CN202067093U Group control intelligent electric clock system |
| 12/01/2011 | US20110295462 System for controlling clock for vehicle using gps information |
| 12/01/2011 | DE102010061003A1 System zum Steuern einer Uhr für ein Fahrzeug unter Verwendung einer GPS-Information A system for controlling a clock for a vehicle using a GPS-Information |
| 11/30/2011 | CN102262392A 用于控制使用了gps信息的车辆的时钟的系统 Gps information for controlling a vehicle using the system clock |
| 11/30/2011 | CN101937189B Wireless clock system based on wireless sensor |
| 11/24/2011 | DE102010021269A1 Circuit arrangement for setting e.g. wrist watches, has transmitter with frequency corresponding to frequency of time signal transmitter, where modulation of transmitter contains time information according to code of signal transmitter |
| 11/23/2011 | CN101667009B Electronic timepiece |
| 11/23/2011 | CN101667008B Electronic timepiece and time difference correction method for an electronic timepiece |
| 11/16/2011 | CN102243475A Compass-based method for generating Germany long-wave near Frankfurt 77.5 KHz (DCF77) time code |
| 11/10/2011 | WO2011115358A3 Time synchronization system using bidirectional wireless communication |
| 11/02/2011 | CN101324659B Low frequency time code propagation delay correcting machine |
| 10/19/2011 | CN202013492U Electric wave time signal acquisition device |
| 10/19/2011 | CN102221818A Transmission method for converting pulse time signals into differential bus signals by GPS (global positioning system) |
| 10/19/2011 | CN102221816A Satellite time serving all-in-one machine and time serving method thereof |
| 10/12/2011 | CN202008583U Clock source of synchronous phasor measuring device |
| 09/29/2011 | WO2011118632A1 Radio-controlled watch |
| 09/29/2011 | WO2011118573A1 Satellite radio-wave watch |
| 09/22/2011 | WO2011115358A2 Time synchronization system using bidirectional wireless communication |
| 09/22/2011 | US20110228885 Time synchronization system via two-way interactive wireless communication |
| 09/21/2011 | CN201984297U Energy-saving multifunctional electronic clock system |
| 09/21/2011 | CN201984294U Ratio wave timing electronic device |
| 09/07/2011 | CN201965446U 多功能蓝牙手表 Multifunction Bluetooth Watch |
| 09/07/2011 | CN201965442U Wrist watch capable of automatically updating time through wireless network |
| 08/17/2011 | CN102156404A Time synchronizing method capable of recognizing GPS input signals in self-adapting manner |
| 08/17/2011 | CN102156403A Vehicle-mounted clock device and implementation method thereof |
| 08/16/2011 | US8000696 Method for accurate time setting of communication device over the air and corresponding communication device |
| 07/27/2011 | CN201909957U Marine secondary clock |
| 07/20/2011 | CN102129219A Clock calibration method of wireless meter reading system and clock calibration method of distributed system |
| 07/20/2011 | CN102129218A Precision time service method using Beidou satellite |
| 07/13/2011 | CN102122130A Second generation Beidou satellite time service watch and implementation method thereof |
| 07/13/2011 | CN102122129A Method and device for satellite timing with high-reliability fixed point position |
| 07/07/2011 | DE102010045894A1 Method for providing time in car for log-book and/or travel-book applications, involves transmitting encrypted query to time-server, decoding query by time-server, encrypting actual time, and transmitting actual time to car |
| 07/06/2011 | CN201892836U GPS (global position system) satellite synchronous clock |
| 07/05/2011 | US7974263 Apparatus and method for transmitting/receiving time information in mobile communication system |
| 06/29/2011 | CN201886298U Marine master and secondary clock system |
| 06/29/2011 | CN201883394U Synchronous flashing solar road spike based on satellite time transfer |
| 06/29/2011 | CN101617278B Radio-controlled timepiece |
| 06/22/2011 | CN201876754U Time calibration and synchronization device of computer system |
| 06/22/2011 | CN201876678U Military standard clock based on Big Dipper system |