| Patents for G04F 5 - Apparatus for producing preselected time intervals for use as timing standards (1,270) |
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| 04/28/2005 | US20050088248 Method and apparatus for a solid-state atomic frequency standard |
| 04/27/2005 | CN1610836A Calibrated real time clock for acquisition of GPS signals during low power operation |
| 04/06/2005 | CN1603984A Coherent arrangement imprisoned cold atomic clock |
| 03/24/2005 | WO2005001388A3 Method and apparatus for real time clock (rtc) brownout detection |
| 03/24/2005 | US20050062552 Light stabilization for an optically excitable atomic medium |
| 03/15/2005 | US6867588 Nuclear spin resonance clock arrangements |
| 03/10/2005 | WO2004081586A3 Method and system for operating an atomic clock with reduced spin-exchange broadening of atomic clock resonances |
| 03/09/2005 | CN1592101A Temperature compensation mechanism for a micromechanical ring resonator |
| 03/09/2005 | CN1591243A Light stabilization for an optically excitable atomic medium |
| 02/23/2005 | EP1508841A2 Radioactive timekeeping |
| 02/23/2005 | CN1190899C Laser quantum system |
| 02/22/2005 | US6859530 Communications apparatus, control method therefor and storage medium storing program for executing the method |
| 02/22/2005 | US6859113 Temperature compensation mechanism for a micromechanical ring resonator |
| 02/10/2005 | WO2005012925A2 Improved resource allocation technique |
| 02/03/2005 | US20050024157 Adaptive Kalman Filter Process for controlling an ensemble clock |
| 02/03/2005 | US20050024156 Ensemble oscillator and related methods |
| 02/02/2005 | CN2676253Y Mechanical metronome |
| 01/13/2005 | US20050007887 Compensated ensemble crystal oscillator for use in a well borehole system |
| 01/13/2005 | US20050007884 Method and apparatus for the temporal synchronization of meditation, prayer and physical movement |
| 01/06/2005 | WO2005001388A2 Method and apparatus for real time clock (rtc) brownout detection |
| 01/06/2005 | US20050002280 [electronic apparatus with non-volatile memory and writing method thereof] |
| 01/05/2005 | EP1493212A2 Atomic clock based on an opto-electronic oscillator |
| 01/05/2005 | CN1183658C Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
| 12/23/2004 | US20040255756 Electronic metronome |
| 12/16/2004 | US20040250672 Combination metronome and tempo monitor |
| 12/14/2004 | US6831522 Method of minimizing the short-term frequency instability of laser-pumped atomic clocks |
| 12/08/2004 | CN1553159A Method and apparatus for continuous monitoring human body temperature |
| 12/02/2004 | DE20320661U1 Missile atomic clock operating device incorporates a sealed housing for the clock together with a heating arrangement for maintaining a constant clock temperature |
| 11/25/2004 | WO2004102809A1 Layout for a time base |
| 11/25/2004 | US20040233003 Method and system for operating an atomic clock with reduced spin-exchange broadening of atomic clock resonances |
| 11/24/2004 | CN1549443A Temperature compensation mechanism for a micromechanical ring resonator |
| 11/23/2004 | US6822221 Method for laser cooling of atoms and apparatus therefore |
| 11/11/2004 | US20040225439 Method and apparatus for real time clock (rtc) brownout detection |
| 11/11/2004 | US20040223523 Coherent population trapping detector |
| 11/04/2004 | WO2004095037A2 Method and system for operating an atomic clock with simultaneous locking of field and frequency |
| 11/03/2004 | EP1473605A2 Coherent population trapping detector |
| 11/02/2004 | US6812800 Atomic oscillator |
| 10/20/2004 | EP1468336A1 Device for reproducing a clock pulse frequency |
| 10/19/2004 | US6806784 Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel |
| 10/14/2004 | US20040202050 Method and system for operating an atomic clock with simultaneous locking of field and frequency |
| 10/05/2004 | US6801091 Oscillator controller and atomic oscillator |
| 09/23/2004 | WO2004081586A2 Method and system for operating an atomic clock with reduced spin-exchange broadening of atomic clock resonances |
| 09/21/2004 | US6795375 Programmable electronic timer based on linear or non-linear programmable functions |
| 09/01/2004 | EP1451605A2 Calibrated real time clock for acquisition of gps signals during low power operation |
| 09/01/2004 | CN2637902Y 灯具节拍器 Lighting metronome |
| 08/18/2004 | CN1521580A Method for electronic metronome to demonstrate 2-3 beat |
| 08/12/2004 | WO2004051398A3 Tactile rhythm generator |
| 08/12/2004 | US20040156271 Test pacing wristwatch with vibration reminder |
| 08/04/2004 | CN1517819A Correction module of system time and its correction method |
| 07/27/2004 | US6768704 Electronic apparatus, external adjustment device for the same, and adjusting method for the same |
| 07/22/2004 | WO2004061532A1 Method and apparatus for exciting resonance in an atomic clock system |
| 07/14/2004 | EP1232563B1 Time base comprising an integrated micromechanical ring resonator |
| 07/13/2004 | US6762869 Atomic clock based on an opto-electronic oscillator |
| 06/24/2004 | US20040120368 Method and apparatus for generating two frequencies having a frequency separation equal to the atomic frequency of an atomic species |
| 06/17/2004 | WO2004051599A1 Tactile metronome |
| 06/17/2004 | WO2004051398A2 Tactile rhythm generator |
| 06/10/2004 | WO2004049078A1 Electronic apparatus for indicating beat and correcting tone and control method thereof |
| 06/10/2004 | US20040109217 Atomic clock based on an opto-electronic oscillator |
| 06/09/2004 | CN1503088A Longitudinal demonstration method for sound corrector of electronic beat |
| 05/27/2004 | US20040100366 Tactile rhythm generator |
| 05/27/2004 | US20040099132 Tactile metronome |
| 05/06/2004 | US20040084395 MEMS frequency standard for devices such as atomic clock |
| 04/27/2004 | US6727419 Pulsating metronome |
| 04/15/2004 | WO2003088472A3 Atomic clock based on an opto-electronic oscillator |
| 04/08/2004 | WO2004029735A1 Electronic clock, elctronic apparatus and starting method |
| 04/01/2004 | WO2004027524A1 Metronome |
| 03/25/2004 | US20040056729 Method of manufacturing mounting substrate and surface mount crystal oscillator |
| 03/16/2004 | US6707346 Apparatus and method for improved crystal time reference |
| 03/11/2004 | WO2004021092A1 Digital metronome having fixing structure thereof |
| 03/04/2004 | US20040041643 Temperature compensation mechanism for a micromechanical ring resonator |
| 02/12/2004 | US20040027924 Method for producing computer-assisted real-time systems |
| 02/04/2004 | CN2602456Y Diad socket circuit for beat and sound corrector |
| 02/03/2004 | US6686807 Time base comprising an integrated micromechanical ring resonator |
| 01/08/2004 | US20040004520 Temperature compensation mechanism for a micromechanical ring resonator |
| 01/07/2004 | EP1378995A2 Oscillation circuit, constant voltage generation circuit, semiconductor device, electronic equipment and timepiece |
| 01/02/2004 | EP0905877B1 Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock |
| 01/01/2004 | US20040000226 Electronic metronome |
| 12/09/2003 | US6662107 Calibrated real time clock for acquisition of GPS signals during low power operation |
| 11/26/2003 | CN2588673Y Longwave signal automatic monitoring instrument |
| 11/26/2003 | CN1129049C Sound-light indicating process and device |
| 11/20/2003 | WO2003038464A3 Calibrated real time clock for acquisition of gps signals during low power operation |
| 10/29/2003 | CN1452798A Subminiature microwave cavity |
| 10/23/2003 | WO2003088472A2 Atomic clock based on an opto-electronic oscillator |
| 10/23/2003 | DE20312791U1 Timer for assisting patients requiring controlled periodic fluid intake, has downward counting clock and operates signaling device after set time interval has elapsed |
| 10/21/2003 | US6635867 Atomic fountain apparatus |
| 10/16/2003 | US20030192547 CPR mask with compression timing metronome and methods |
| 10/01/2003 | CN1122893C Oscillation circuit and device using the oscillation circuit |
| 09/25/2003 | US20030182080 Counter system and method |
| 08/27/2003 | EP1337292A2 Cpr mask with compression timing metronome and methods |
| 08/21/2003 | US20030158700 Watchdog arrangement |
| 08/20/2003 | CN1118973C High-resolution clock reconstruction used in mobile communication equipment |
| 08/13/2003 | EP0852758B1 A miniature atomic frequency standard |
| 08/07/2003 | US20030146797 Oscillator controller and atomic oscillator |
| 08/07/2003 | US20030146796 Atomic oscillator |
| 07/31/2003 | WO2003062930A1 Device for reproducing a clock pulse frequency |
| 07/16/2003 | EP1328060A1 Oscillation circuit, electronic circuit, and semiconductor device, clock, and electronic apparatus which comprise these circuits |
| 07/15/2003 | US6593823 Oscillation circuit and electronic circuit, and semiconductor device, timepiece and electronic equipment provided with the same |
| 07/09/2003 | EP1325410A2 Method for producing computer-assisted real-time systems |
| 07/03/2003 | WO2003054638A1 Apparatus and method for improved crystal time reference |
| 06/26/2003 | WO2003052528A1 Digital metronome |