| Patents for G04F 5 - Apparatus for producing preselected time intervals for use as timing standards (1,270) |
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| 11/03/2010 | EP2245710A2 Method and device for stabilising the spectrum of a pulsed coherent optical source |
| 10/20/2010 | EP2240833A1 Frequency standard based on coherent population trapping (cpt) |
| 10/20/2010 | CN101592843B Dual-magnetic light trap system |
| 10/06/2010 | CN1591243B Light stabilization for an optically excitable atomic medium |
| 09/30/2010 | US20100246340 Resonator mounted in a case incorporating a watch module |
| 09/29/2010 | EP2232473A1 Method and apparatus for distributing haptic synchronous signals |
| 09/29/2010 | CN101846965A Method for pumping rubidium bubble for outputting standard frequency by lamp pump rubidium gas laser and rubidium atomic clock |
| 09/08/2010 | CN101168094B Boating training rhythm directing device |
| 09/02/2010 | WO2010098980A1 Radiation-based timer for implantable medical devices |
| 09/02/2010 | DE102010000818A1 MEMS-Resonatorbauelemente MEMS resonator devices |
| 09/01/2010 | CN201569869U Vacuum device of active hydrogen atom clock |
| 08/25/2010 | EP2220541A1 Atomic clock regulated by a static field and two oscillating fields |
| 08/25/2010 | EP2220540A1 Apparatus with ambient magnetic field correction |
| 08/25/2010 | CN201562139U Electronic beat controller |
| 08/25/2010 | CN101521142B Chip type rubidum lamp |
| 08/24/2010 | US7782718 Analogue time display for motor vehicle |
| 08/18/2010 | CN101807043A Microwave cavity for cold atomic clock in micro-gravity environment |
| 08/18/2010 | CN101807042A Small hydrogen atomic clock resonant cavity and preparation method thereof |
| 08/17/2010 | US7778293 Determining and setting the frequency modulation index of a laser in a CPT frequency standard |
| 07/29/2010 | DE102009006736A1 Auxiliary device for use as e.g. mobile phone for concentration exercise for patient, has adjusting unit adjusting fixed interval duration and/or producing variable interval duration between acoustic and/or vibration signals |
| 06/17/2010 | DE102009058281A1 Robuste Quarzuhr Rugged Quartz Watch |
| 06/15/2010 | US7738323 Arrangement for the mechanical interfacing of a MEMS micromotor with a clock wheel and timepiece comprising this arrangement |
| 06/15/2010 | CA2686575A1 Rugged quartz clock |
| 06/09/2010 | CN101727067A Intelligent control algorithm used for passive hydrogen clock |
| 06/02/2010 | CN101718966A Active atomic clock of sapphire resonant cavity and method for fabricating resonant cavity |
| 06/01/2010 | US7729205 Low current microcontroller circuit |
| 05/27/2010 | US20100128573 Clockwork |
| 05/05/2010 | EP2181759A2 Methods for introduction of a reactive material into a vacuum chamber |
| 05/05/2010 | CN201449528U Timekeeper and radio set provided with same |
| 04/22/2010 | WO2009103180A3 Method and device for stabilising the spectrum of a pulsed coherent optical source |
| 04/14/2010 | CN101694917A Mini microwave cavity |
| 04/13/2010 | US7697377 Portable timepiece and electronic apparatus |
| 04/08/2010 | US20100085843 Electrostatic motor including an actuator |
| 04/07/2010 | EP2171546A1 Atomic clock |
| 04/01/2010 | US20100080088 Time base device for a watch |
| 03/18/2010 | US20100070237 Statistical analysis for maintenance optimization |
| 03/18/2010 | US20100070073 Bulk Material Transport System |
| 03/11/2010 | WO2010026393A1 Frequency reference devices and methods of providing frequency references |
| 02/24/2010 | CN100592031C Method and apparatus for real time clock (RTC) brownout detection |
| 02/17/2010 | EP2154586A2 Cold atom micro primary standard |
| 02/17/2010 | EP2154585A2 Physics package design for a cold atom primary frequency standard |
| 02/16/2010 | US7663978 Drive control apparatus, electronic apparatus, method of controlling drive of electronic apparatus, drive control program, and recording medium |
| 02/10/2010 | CN100589049C Coherent maser radiation cold atomic clock |
| 02/03/2010 | CN100587629C Method for modulating atomic clock signal with coherent population trapping and corresponding atomic clock |
| 01/20/2010 | CN100582970C B-code demodulation method and demodulator |
| 01/13/2010 | CN100580584C Portable clock and electronic device |
| 12/31/2009 | US20090322606 Method and Apparatus for Real Time Clock (RTC) Brownout Detection |
| 12/23/2009 | EP2136272A2 Reversible Alkali Beam Cell |
| 12/22/2009 | US7636277 Drive device, particularly for a clockwork mechanism |
| 12/17/2009 | US20090309668 Reversible Alkali Beam Cell |
| 12/17/2009 | CA2669035A1 Reversible alkali beam cell |
| 12/16/2009 | EP2132875A1 Method for temperature compensation of a time basis |
| 12/15/2009 | US7631412 Incremental tuning process for electrical resonators based on mechanical motion |
| 12/10/2009 | WO2009147583A1 Atomic frequency acquisition device based on self-mixing interference |
| 12/09/2009 | EP2131500A2 Atomic beam tube with counter propagating optical or atomic beams |
| 12/09/2009 | CN101598772A Micro atom steam bubble making method |
| 12/02/2009 | EP1636549B1 Method and apparatus for real time clock (rtc) brownout detection |
| 12/02/2009 | CN101592843A Dual-magnetic light trap system |
| 12/01/2009 | US7627790 Apparatus for jitter testing an IC |
| 11/26/2009 | DE102006035105B4 Hörgeräte für Musiker Hearing aids for musicians |
| 11/24/2009 | US7624323 Method and apparatus for testing an IC device based on relative timing of test signals |
| 11/17/2009 | US7620857 Controllable delay device |
| 10/15/2009 | US20090257320 Resonator, unit having resonator, oscillator having unit and electronic apparatus having oscillator |
| 10/14/2009 | EP1493212B1 Atomic clock based on an opto-electronic oscillator |
| 10/07/2009 | CN201322950Y Timing and numbering device |
| 09/09/2009 | CN100538560C Electronic beat sound-calibrator and control method |
| 09/02/2009 | CN101521142A Chip type rubidum lamp |
| 09/01/2009 | US7583564 Piezoelectric actuator and electronic equipment with piezoelectric actuator |
| 09/01/2009 | US7582822 Metronome and system for maintaining a common tempo among a plurality of musicians |
| 08/27/2009 | WO2009103180A2 Method and device for stabilising the spectrum of a pulsed coherent optical source |
| 08/19/2009 | CN101510779A Chip type rubidium filtering blobs |
| 08/12/2009 | CN101506742A Resonator mounted in a case incorporating a clock module |
| 07/29/2009 | CN101493674A B code demodulating and decoding method and apparatus thereof |
| 07/21/2009 | US7565261 Generating an alert to indicate stale data |
| 07/16/2009 | WO2009087621A1 Frequency standard based on coherent population trapping (cpt) |
| 07/16/2009 | US20090180357 Atomic beam optical frequency atomic clock and a producing method thereof |
| 06/18/2009 | WO2009074619A1 Apparatus with ambient magnetic field correction |
| 06/18/2009 | WO2009074616A1 Atomic clock regulated by a static field and two oscillating fields |
| 06/17/2009 | EP1846726A4 Hang timer for determining time of flight of an object |
| 06/11/2009 | US20090149035 Method for manufacturing of a crystal oscillator |
| 05/12/2009 | US7531734 Electronic metronome and method of indicating tempo of electronic metronome |
| 04/29/2009 | CN100484160C Method for realizing beat function on mobile terminal and mobile terminal thereof |
| 04/29/2009 | CN100483941C Temperature compensation mechanism for a micromechanical ring resonator |
| 04/15/2009 | CN100478809C Method and equipment for enhancing performance of mini atom beam optical frequency atomic clock |
| 04/02/2009 | WO2009012939A3 Cell with a cavity, structural element and method for the production thereof and use thereof |
| 04/02/2009 | DE102007046101A1 Metronomic system for use during performance of music concert by e.g. musician, has mobile equipment containing receiver and body stimulation module, where mobile equipment enables communication of clock of music piece to musician or dancer |
| 04/01/2009 | CN101398666A Big dipper satellite synchronizing clock time signal B code generating method and apparatus |
| 03/25/2009 | EP1716642A4 Method and system for operating an atomic clock with alternating-polarization light |
| 03/17/2009 | US7505373 MEMS micromotor and timepiece equipped with this micromotor |
| 03/10/2009 | US7501906 Method for modulating an atomic clock signal with coherent population trapping and corresponding atomic clock |
| 03/04/2009 | CN201203767Y Controllable timing signal source |
| 02/25/2009 | CN100464208C Single beam magneto-optic well system |
| 02/05/2009 | DE102007034963A1 Zelle mit einer Kavität und einer die Kavität umgebenden Wandung, Verfahren zur Herstellung einer derartigen Zelle, deren Verwendung und Wandung mit einer darin ausbildbaren Ausnehmung Cell with a cavity and a wall surrounding the cavity, methods of making such a cell, the use of which and the wall with a recess embodied therein |
| 01/29/2009 | WO2009012939A2 Cell with a cavity, structural element and method for the production thereof and use thereof |
| 01/15/2009 | DE102006023601B4 Lasersystem Laser system |
| 01/13/2009 | US7476865 Radioactive decay based stable time or frequency reference signal source |
| 01/08/2009 | WO2009004317A1 Atomic clock |
| 01/08/2009 | US20090010107 Tamper-resistant time reference and apparatus using same |
| 12/31/2008 | CN101336512A Method for producing crystal oscillator |
| 12/25/2008 | US20080317075 Determining and Setting the Frequency Modulation Index of a Laser in a Cpt Frequency Standard |