Patents
Patents for G04G 3 - Producing timing pulses (901)
12/2001
12/04/2001US6326850 High frequency signal generator from a horological time base
11/2001
11/22/2001WO2001088635A2 Methods, systems, wireless terminals, and computer program products for calibrating an electronic clock using a base reference signal and a non-continuous calibration reference signal having greater accuracy than the base reference signal
11/07/2001CN1320822A Frequency change measurer
11/06/2001US6312153 Clock or watch having accuracy-improving function
10/2001
10/17/2001EP1145438A1 Oscillator using a calibration means
10/16/2001US6304517 Method and apparatus for real time clock frequency error correction
10/04/2001US20010026151 Frequency change measuring device
10/04/2001EP1139106A1 Frequency change measuring device
10/04/2001EP1138114A1 Oscillator and telecommunications system with such an oscillator
10/03/2001CN1316069A Electronic timepiece comprising time indicator based on decimal system
09/2001
09/18/2001US6292062 Method and apparatus for implementing a high-precision interval timer utilizing multiple oscillators including a non-optimal oscillator
09/06/2001US20010020279 Clock
08/2001
08/08/2001EP1122622A1 Electronic device and method for adjusting an internal clock
07/2001
07/24/2001US6266625 Calibrating high resolution measurements
07/19/2001WO2001052001A2 Device for producing a signal having a substantially temperature-independent frequency
07/19/2001CA2396934A1 Device for producing a signal having a substantially temperature-independent frequency
07/18/2001EP1117017A1 Means for generating a signal having a frequency that is highly independent from temperature
07/11/2001EP1115045A2 A clock
07/11/2001EP1114357A1 Electronic timepiece comprising a time indicator based on a decimal system
06/2001
06/26/2001US6252445 Method and apparatus for extending a resolution of a clock
06/19/2001US6249488 System and method for keeping time
05/2001
05/30/2001CN1297544A Electronic device, external adjusting device for electronic device and method of adjusting electronic device
05/25/2001WO2000079349A3 Method and apparatus for real time clock frequency error correction
05/10/2001WO2001033711A1 Time base comprising an integrated micromechanical ring resonator
05/10/2001CA2389980A1 Time base comprising an integrated micromechanical ring resonator
05/09/2001EP1098440A2 Time base generator
05/09/2001CN1294471A Mobile terminal with accuracy real time generator for radio telecommunicating system
05/03/2001CA2324906A1 An arrangement for generating first and second alternating signals
04/2001
04/26/2001WO2001029782A1 Device for controlling time in table games while playing with a remote opponent
04/25/2001EP1094374A1 Mobile terminal for a wireless telecommunication system with accurate real time generation
04/12/2001DE19952826C1 Signal generator e.g. time base generator for time domain reflectometry, uses synchronized oscillators for providing 2 signals with given frequency ratio
04/04/2001EP1089145A1 Electronic device, external adjusting device for electronic device and method of adjusting electronic device
03/2001
03/29/2001WO2001022649A2 Method for receiving radio signals via a radio channel
03/29/2001DE19944495A1 Verfahren zum Empfang von Funksignalen über einen Funkkanal A method for receiving radio signals via a radio channel
03/22/2001WO2001020407A1 Pet chronometer and identification tag
03/07/2001EP1081564A2 Method for pruducing a time signal
03/01/2001DE19931685A1 Verfahren zur Herstellung eines Zeitsignals A process for producing a timing signal
01/2001
01/17/2001CN1060897C Counter circuit for improving timing accuracy
01/09/2001US6172942 Analog electronic watch
12/2000
12/28/2000WO2000079349A2 Method and apparatus for real time clock frequency error correction
11/2000
11/29/2000CN1274850A Integrated circuit having frequency division operation testing function
11/14/2000US6146011 Self-correcting watch
10/2000
10/31/2000US6141296 Time-of-day clock assembly
10/05/2000WO2000058794A1 Electronic device, external adjusting device for electronic device and method of adjusting electronic device
10/04/2000EP1041469A2 Method and apparatus for extending a resolution of a clock
09/2000
09/26/2000US6124764 Stable low-power oscillator
09/26/2000CA2138733C Perishable good integrity indicator
09/19/2000US6120178 Method for adjusting the rate of a horological module by means of fuses able to be destroyed by laser
07/2000
07/27/2000WO2000044097A1 Oscillator using calibration means
07/11/2000US6086244 Low power, cost effective, temperature compensated, real time clock and method of clocking systems
07/05/2000CN1258868A Watch and clock with function of raising accuracy
07/04/2000US6084441 Apparatus for and method of processing data
06/2000
06/28/2000EP1014234A2 Clock or watch having accuracy-improving function
06/28/2000EP1014233A1 Electronic clock
06/28/2000EP1014230A1 Timepiece having an electrical energy generator
06/27/2000US6081163 Standard frequency and timing generator and generation method thereof
06/21/2000CN1257230A Method for regulating clock modular rate by using fuse capable of being destroyed by laser
06/08/2000WO2000033456A1 Oscillator and telecommunications system with such an oscillator
06/08/2000CA2291427A1 Clock or watch having accuracy-improving function
06/07/2000EP1006661A1 High frequency signal generator using a reference clock
05/2000
05/31/2000EP1004949A2 High accuracy timepiece
05/31/2000EP1004948A2 Inexpensive watch
05/10/2000EP0999483A1 Method for adjusting the frequency of a clock module by means of fuses melted using a laser beam
05/03/2000CN1052083C Correcting time indication of electronic watch
04/2000
04/27/2000WO2000023854A1 Clock comprising a microprocessor
04/26/2000CN1251665A Electric clock
04/20/2000DE19847753A1 Timepiece with clock signal generator detects time adjustments and alters relationship between number of clock signals and displayed time units accordingly
04/11/2000US6049240 Logical delaying/advancing circuit used
04/06/2000WO2000019280A1 System and method for reducing power consumption in waiting mode
03/2000
03/09/2000WO2000013067A1 Electronic timepiece comprising a time indicator based on a decimal system
03/08/2000EP0984342A1 Electronic timepiece with a time indication based on a decimal system
03/08/2000CN2368054Y 数字电子钟 Digital electronic clock
02/2000
02/02/2000EP0976018A1 Method for keeping accurate time in a computer system
01/2000
01/19/2000CN2359720Y Hydrogen atomic clock maser oscillator structure
01/18/2000US6016070 Pulse extending circuit
01/12/2000CN2358472Y Timber
12/1999
12/21/1999US6006165 Speed measuring apparatus and toy for measuring speed of moving member
11/1999
11/03/1999CN2347193Y Flight point indication electronic clock
10/1999
10/26/1999US5973617 Control circuit with adjustable standby oscillator
08/1999
08/24/1999US5943297 Calendar clock circuit for computer workstations
08/18/1999EP0936511A2 Analog electronic watch
08/17/1999US5940027 High accuracy low power GPS time source
07/1999
07/27/1999US5929715 Oscillation circuit having electrostatic protective circuit
07/14/1999EP0669014B1 Electronic control device
07/14/1999CN2329029Y Post timer
06/1999
06/29/1999US5917779 Transformerless LED driving circuit
06/29/1999US5917777 Apparatus and a method for control operating time of information display means
06/22/1999US5915108 Method of accurately controlling an output device in a system
06/02/1999CN2322173Y Clock two selection one automatic convertor
05/1999
05/19/1999CN2319843Y Hertz system time controlled quartz clock for electrical appliance
05/11/1999US5903523 Time analyzer having an improved interpolator with temperature compensation
04/1999
04/28/1999CN1215266A High-resolution clock reconstruction used in mobile communication equipment
03/1999
03/31/1999CN1212520A Method and apparatus for producing temperature stable frequency at reduced cost
03/24/1999CN1211758A Civil radio standard timepiece
03/10/1999EP0901231A2 Method and apparatus for producing a temperature stable frequency at reduced cost
03/09/1999US5881022 Frequency shifing device and method for automatic clock adjustment
01/1999
01/07/1999DE19828967A1 Measurement and compensation circuit for an inaccurate clock signal
11/1998
11/03/1998US5831485 In a low cost digital signal measuring apparatus
10/1998
10/27/1998US5828248 Method and apparatus for generating a clock signal which is compensated for a clock rate thereof
10/27/1998US5828243 Method for detecting clock failure and switching to backup clock
1 2 3 4 5 6 7 8 9 10