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