Patents
Sitemap › G04 - Horology › G04R - Radio-controlled time-pieces › G04R 40 - Correcting the clock frequency
Patents for G04R 40 - Correcting the clock frequency (288)
06/2012
06/27/2012CN202285085U Remote bidirectional time comparison mid-frequency device
06/27/2012CN102520609A Multifunctional electric power system time synchronization calibration instrument
06/27/2012CN102520608A Method and device for automatically correcting automobile vehicle-mounted clock
06/27/2012CN102520607A Method for sharing standard time between timing watches
06/27/2012CN102520606A Aircraft system clock time correcting and redundancy correction method
06/27/2012CN101750960B Electric wave clock and control method thereof
06/20/2012CN202282036U Radio frequency identification (RFID) system capable of calibrating time
06/20/2012CN101871976B Power clock detecting device
06/13/2012CN102495546A Timing method and device of data collection
06/06/2012CN202267833U Timing decoding module of electric wave clock
06/06/2012CN101788785B Method for recording action time for time setting system for ETS system of steam turbine
05/2012
05/09/2012CN202217144U Pointer positioning mechanism of watch and radio wave watch applying mechanism
05/02/2012CN102436174A Method and corresponding device for taming crystal oscillation frequency of time-keeping device
04/2012
04/25/2012CN202205040U Field-order drive-type color liquid crystal display electronic clock
04/25/2012CN202204875U Time hack precision test system
04/25/2012CN102426414A Time checking method of electric energy quality monitoring system
04/25/2012CN102073269B Timing method of big dipper watch-timing device
03/2012
03/21/2012CN102386913A Method and device for correcting oscillating frequency
03/14/2012CN202166845U Automatic time correcting radio controlled clock
02/2012
02/29/2012CN102364399A Antenna frequency correction device and correction method for radio-controlled clock
02/01/2012CN202133872U GPS signal reception and synchronized clock device for ship
01/2012
01/18/2012CN102323744A High-precision and independent time-keeping type ground time service instrument used on ground in complex environment
01/18/2012CN102323742A Clock calibration system and method for dynamic password token
01/18/2012CN102323741A Pulse per second (PPS) signal generating device for vehicle-mounted equipment
01/04/2012CN202102264U Rubidium clock taming system
12/2011
12/28/2011CN202093330U German electric wave clock
12/21/2011CN102289191A 一种手表的指针定位机构及其定位方法、以及指针归零和指针校正方法 Pointer positioning mechanism and a method for locating the watch, as well as pointers and pointer zero correction method
12/14/2011CN102281409A 一种自动校准时间的电视机及其时间校准方法 TV and time calibration method of automatic calibration time
12/14/2011CN102279561A 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
11/2011
11/30/2011CN202057980U Satellite time service system with state monitoring function
11/23/2011CN202049347U RTC full-automatic calibration installation
11/16/2011CN101957593B Time information detection method of output signal of satellite synchronization time service device
11/02/2011CN101324659B Low frequency time code propagation delay correcting machine
10/2011
10/19/2011CN102221816A Satellite time serving all-in-one machine and time serving method thereof
10/19/2011CN101635455B Method for calibrating characteristic waves of power network by utilizing clock stamp and system
09/2011
09/21/2011CN201984294U Ratio wave timing electronic device
09/21/2011CN102193497A Method for realizing multi-source data accurate time alignment by utilizing PPS (Pulse Per Second) signal of GPS (Global Positioning System)
09/14/2011CN102183253A Software time synchronization method for position and orientation system
08/2011
08/24/2011CN201945827U Embedded satellite timing module with fault-tolerant function
08/17/2011CN201936140U Novel optical driving full-system liquid crystal radio wave watch movement
08/03/2011CN102141774A Quick time service device and method for Beidou watch
07/2011
07/27/2011CN201909957U Marine secondary clock
06/2011
06/22/2011CN201876754U Time calibration and synchronization device of computer system
06/15/2011CN101581914B Modular structure of time transfer device of power system
06/15/2011CN101170209B Antenna device, receiving device and clock based on magnetic sensor
05/2011
05/25/2011CN201845189U 时间和温度显示装置 Time and temperature display means
05/25/2011CN102073269A Big dipper watch-timing device and timing method thereof
05/18/2011CN102063052A Electric wave time correction electronic equipment and electric wave time correction method
05/11/2011CN201828785U Beidou/GPS dual-mode time service module
04/2011
04/13/2011CN102012671A Simple multimode high-stability satellite clock device
03/2011
03/30/2011CN101995817A Marine secondary clock
03/16/2011CN201765457U Radio controlled clock
02/2011
02/09/2011CN101604142B Method for detecting time information of output signal of satellite synchronous time service device
01/2011
01/26/2011CN201725176U Timing device and electronic timing device
01/26/2011CN101957593A Time information detection method of output signal of satellite synchronization time service device
01/05/2011CN101692163B Method and system for remotely calibrating frequency standards
12/2010
12/29/2010CN101932161A Timing device of streetlight control box and timing method
11/2010
11/17/2010CN201638030U 无线自动校时仪 Wireless automatic error correction instrument
10/2010
10/27/2010CN101871976A Power clock detecting device
10/13/2010CN201607626U 高稳定度实时时钟电路 High stability in real-time clock circuit
10/06/2010CN201600566U 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
09/2010
09/01/2010CN201569874U Digital display electronic clock
08/2010
08/25/2010CN101813915A GPS (Global Position System) time tick signal conversion device
08/18/2010CN201556055U Portable type electronic equipment provided with radio control clock
08/18/2010CN201556050U China radio wave clock
08/18/2010CN201556049U Self-calibration digital-display electronic clock
08/11/2010CN101799658A Backup clock calibrated by GPS
07/2010
07/28/2010CN101788785A Time setting system for ETS system of steam turbine and method for recording action time thereof
07/28/2010CN101231337B High-precision time synchronizing apparatus
07/07/2010CN101770208A Realization method of time service clock of electrical power system
07/07/2010CN101770207A Automatic automobile clock correction system and correction method thereof
06/2010
06/23/2010CN101750960A Electric wave clock and control method thereof
06/02/2010CN1591245B Automatic correcting watch
05/2010
05/05/2010CN201449527U Positioning device for electric wave clock
04/2010
04/07/2010CN101692163A Method and system for remotely calibrating frequency standards
02/2010
02/24/2010CN201413452Y Time token for calibrating clock by use of radio time service signals
02/17/2010CN101650548A Time setting device for digital substation
02/10/2010CN201402384Y Primary-secondary clock for wirelessly transmitting standard time with GPS
01/2010
01/27/2010CN101635455A Method for calibrating characteristic waves of power network by utilizing clock stamp
12/2009
12/16/2009CN101604142A Method for detecting time information of output signal of satellite synchronous time service device
12/02/2009CN101594190A Power system time synchronization method and device and power system thereof
12/02/2009CN100565387C Radio-controlled timepiece and method of adjusting the time kept by a radio-controlled timepiece
11/2009
11/18/2009CN101581914A Modular structure of time transfer device of power system
10/2009
10/21/2009CN101561659A Now time setting method
09/2009
09/16/2009CN201311560Y Network-type global satellite synchronizing clock
05/2009
05/06/2009CN201233510Y Pointer type watch with satellite signal source
04/2009
04/22/2009CN100480904C Radio controlled timepiece
04/08/2009CN201218906Y Intelligent traffic system with time service implemented by electric wave time reference signal
03/2009
03/18/2009CN100470407C Electricity saving method of indicator type electric wave clock positioning and auto-correcting time
01/2009
01/28/2009CN201188180Y Intelligent digital clock capable of automatically timing
01/28/2009CN100456174C Automatically correcting time clock of radio wave
12/2008
12/17/2008CN101324659A Low frequency time code propagation delay correcting machine
11/2008
11/19/2008CN101308360A Satellite signal source pointer type wristwatch
10/2008
10/22/2008CN201138434Y GPS satellite time service full-automatic tower clock
10/08/2008CN201130307Y Electronic clock capable of telemetering state
09/2008
09/03/2008CN201110949Y Self-checking satellite synchronous standard clock
08/2008
08/06/2008CN201097153Y A quartz clock with digital information calendar
07/2008
07/30/2008CN101231337A High-precision time synchronizing apparatus
06/2008
06/18/2008CN100395682C 'Beidou' satellite navigation system and GPS mutually preparing time service method and apparatus
04/2008
04/30/2008CN101170209A Antenna device, receiving device and clock based on magnetic sensor
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