| 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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| 03/12/2014 | CN103630909A Method for intersatellite pseudorange simulation and on-satellite time reference building based on Ka mode |
| 03/12/2014 | CN102830612B System and method of high-precision time service and time keeping of broadcast controller |
| 03/05/2014 | CN203465542U Multipath emergency measuring device |
| 03/05/2014 | CN203465541U Beidou/GPS double-time service source-based failure time recording device |
| 03/05/2014 | CN103616653A System and method for testing clock synchronization and clock precision of power quality monitor terminal |
| 03/04/2014 | US8666344 Satellite signal reception device and control method for a satellite signal reception device |
| 02/26/2014 | EP2701017A2 Time information obtaining device and radio-controlled timepiece |
| 02/26/2014 | CN203455626U Time service system guaranteeing full-grid time synchronization of power grid |
| 02/26/2014 | CN203455625U Remote controlled multifunctional clock |
| 02/26/2014 | CN103605281A An intelligent wall clock based on a PAD technique |
| 02/26/2014 | CN102608907B Time adjustment device, timekeeping device with a time adjustment device, and time adjustment method |
| 02/20/2014 | DE102012214555A1 Verfahren und System zum Ausgleichen einer Zeitabweichung Method and system for compensating a timing error |
| 02/19/2014 | CN103595582A High-accuracy synchronous system detection device applied to intelligent transformer substation |
| 02/19/2014 | CN103592843A Timestamp circuit and implement method |
| 02/19/2014 | CN103592842A Intelligent substation clock synchronization reliability method capable of improving network sampling |
| 02/12/2014 | CN103576543A Power grid time synchronization system |
| 02/12/2014 | CN103576542A Ground Beidou high-precision time service system based on ground optical fiber networks |
| 02/12/2014 | CN103576540A Time information obtaining device and radio-controlled timepiece |
| 02/12/2014 | CN103576539A Time calibration method and device |
| 02/05/2014 | EP2693277A1 Radio-controlled wristwatch |
| 02/05/2014 | EP2693276A1 Radio-wave wristwatch |
| 02/05/2014 | CN103561202A Camera with BPC automatic time correction function and automatic time correction method |
| 01/29/2014 | CN203416271U Multi-clock-source optimization time synchronization device |
| 01/22/2014 | CN203405679U Synchronous clock system capable of publishing advertisements in public places |
| 01/22/2014 | CN103529690A Wall clock for receiving Beidou satellite time and wall clock time calibrating method |
| 01/22/2014 | CN103529689A Main and standby satellite clock time frequency signal seamless switching device and method |
| 01/22/2014 | CN103529685A Multifunctional intelligent alarm clock based on travelling condition detection |
| 01/16/2014 | WO2014010646A1 Satellite radio-wave wristwatch |
| 01/16/2014 | WO2014010645A1 Satellite radio-wave wristwatch |
| 01/16/2014 | WO2014010644A1 Satellite radio-wave wristwatch |
| 01/16/2014 | WO2014010643A1 Satellite radio-wave wristwatch |
| 01/16/2014 | US20140016440 Radio-controlled wristwatch |
| 01/15/2014 | CN203397115U Cascading clock |
| 01/15/2014 | CN103513568A Automatic time comparing method capable of breaking limit of intelligent electric power meter hardware |
| 01/15/2014 | CN103513259A Dual-mode positioning and timing system |
| 01/14/2014 | US8630151 Radio-synchronous signal receiver for adjusting a time base, and method for activating the receiver |
| 01/09/2014 | WO2013167079A3 Method and device for synchronizing time in short distance |
| 01/09/2014 | US20140010053 Radio-controlled wristwatch |
| 01/08/2014 | CN103499919A Intelligent turret clock control system based on GPS (global positioning system) |
| 01/08/2014 | CN103499400A Beidou GPS (global positioning system)-timed quartz crystal thermometer |
| 01/01/2014 | CN103488075A GPS time correction watch and time correction method thereof |
| 12/31/2013 | US8620581 Time synchronization method for vehicles having navigation device |
| 12/25/2013 | CN203366008U Watch with low power consumption chip for timing and communication module for real-time communication |
| 12/25/2013 | CN203366007U Multi-time base signal device |
| 12/25/2013 | CN203366004U Novel timer with wireless check waking function |
| 12/18/2013 | CN203350634U A synchronous time-offering device based on a satellite |
| 12/18/2013 | CN103460149A Radio-wave wristwatch |
| 12/18/2013 | CN103460148A Radio-controlled wristwatch |
| 12/18/2013 | CN103458496A Method and system for achieving time synchronization through WiFi-Direct |
| 12/18/2013 | CN103457716A Optimizing time synchronizing device for multi-channel clock sources |
| 12/18/2013 | CN103454911A Rough synchronization method for satellite bidirectional time comparison |
| 12/18/2013 | CN103454905A Method for synchronizing time |
| 12/18/2013 | CN102129218B Precision time service method using Beidou satellite |
| 12/11/2013 | CN203338014U Automatic time correction electronic clock |
| 12/05/2013 | US20130322219 Electronic Timepiece and Control Method for an Electronic Timepiece |
| 12/04/2013 | CN203324700U Universal multi-input timing system |
| 12/04/2013 | CN203324699U 电子装置 Electronic devices |
| 12/04/2013 | CN103425045A 魔方型无线闹钟 Wireless Cube Alarm Clock |
| 11/28/2013 | US20130316693 Mobile station and time adjustment method |
| 11/27/2013 | CN203311175U GPS time service and DDS combined device for realizing stable high-speed synchronous clock |
| 11/27/2013 | CN103415816A Electronic clock |
| 11/27/2013 | CN103412477A Timing system capable of guaranteeing full-grid time synchronization of power grid |
| 11/27/2013 | CN102566408B Calibration system for satellite clock and calibration method thereof |
| 11/26/2013 | US8594644 Device and method for executing reserved function in mobile communication terminal |
| 11/20/2013 | CN203299560U Positioning watch for pilgrimage to Mecca |
| 11/20/2013 | CN103399484A Local clock calibrating method and vehicle-mounted equipment |
| 11/20/2013 | CN102520607B Method for sharing standard time between timing watches |
| 11/13/2013 | CN203287701U Universal type high-precision time synchronization system for mine |
| 11/13/2013 | CN102004442B Timepiece with an internal antenna |
| 11/06/2013 | CN203278849U Law enforcement data acquisition station synchronized with satellite time |
| 11/06/2013 | CN203275902U Compass watch structure |
| 11/06/2013 | CN203275901U BeiDou/GPS dual mode time service device based on solar power generation |
| 11/05/2013 | US8576670 Electronic timepiece and time difference correction method for an electronic timepiece |
| 10/30/2013 | CN203259815U Remote monitoring turret clock with Beidou satellite positioning system |
| 10/30/2013 | CN103376738A Electronic device, communication device, time calibration system and calibration method thereof |
| 10/29/2013 | US8570839 Time-information obtaining apparatus and radio-controlled timepiece |
| 10/23/2013 | CN203250148U Transponder for transmitting navigation satellite time service information into low frequency time-code time service signal |
| 10/23/2013 | CN203250117U Watch indicating mechanism driven by motors |
| 10/23/2013 | CN103365201A GNSS navigation satellite-based self-maintenance clock publishing system |
| 10/17/2013 | DE10128927B4 Verfahren zur Ermittlung der Uhrzeit in zumindest zwei miteinander zusammenwirkenden Messrechnern Method for determining the time in at least two mutually cooperating measuring computers |
| 10/16/2013 | CN203241730U Electronic clock with automatic time service |
| 10/16/2013 | CN102495546B Timing method and device of data collection |
| 10/09/2013 | CN203228799U Warden station and machine controller of plane shunting system and air timing system, |
| 10/09/2013 | CN103346852A Apparatus capable of providing reference clock signal |
| 10/09/2013 | CN103345145A Method for utilizing lasers to conduct satellite borne clock measurement |
| 10/09/2013 | CN102346435B Time information acquiring apparatus and radio-controlled timepiece |
| 10/09/2013 | CN102314149B Time information acquiring apparatus and radio controlled timepiece |
| 10/09/2013 | CN101752645B Antenna device, reception device and radio controlled timepiece |
| 10/02/2013 | CN203224727U Dual-clock source time service system based on radio communication network and GPS |
| 09/25/2013 | CN103329052A Portable terminal and time correction method |
| 09/25/2013 | CN103326687A Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece |
| 09/25/2013 | CN103326686A Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece |
| 09/25/2013 | CN103324080A Satellite disciplined rubidium clock card |
| 09/18/2013 | EP2640039A1 Portable terminal and time correction method |
| 09/18/2013 | CN203204326U Watch fulfilling attendance checking function by using satellite positioning technology |
| 09/18/2013 | CN103309229A Satellite-to-ground dynamic bidirectional time synchronization and ranging combined algorithm based on fitting method |
| 09/18/2013 | CN103309228A Time correcting method of car-mounted terminal system |
| 09/11/2013 | CN203191711U Timing system |
| 09/11/2013 | CN203191710U Time synchronization system of three screens of automobile |
| 09/11/2013 | CN203191707U Electronic timing instrument |