Patents
Patents for G04F 5 - Apparatus for producing preselected time intervals for use as timing standards (1,270)
06/2003
06/25/2003CN1112747C Atomic frequency scale microwave cavity
06/19/2003US20030112710 Reducing thermal drift in electronic components
06/19/2003US20030112086 Apparatus and method for improved crystal time reference
05/2003
05/27/2003US6570459 Physics package apparatus for an atomic clock
05/21/2003EP1313216A2 Temperature compensation mechanism for a micromechanical ring resonator
05/21/2003EP1313215A2 Temperature compensation mechanism for a micromechanical ring resonator
05/20/2003US6567346 Absolute time scale clock
05/08/2003WO2003038464A2 Calibrated real time clock for acquisition of gps signals during low power operation
05/01/2003US20030083814 Calibrated real time clock for acquisition of GPS signals during low power operation
03/2003
03/04/2003US6529447 Compensation of crystal start up for accurate time measurement
02/2003
02/05/2003CN1395759A Oscillation circuit, electronic circuit, and semiconductor device, clock, and electronic apparatus which comprise these circuits
01/2003
01/30/2003US20030021189 Programmable electronic timer based on linear or non-linear programmable functions
01/15/2003CN1099058C Remote atomic clock correcting method by relative uniform linear motion
01/07/2003US6503341 Wheel oscillator of paramagnetic alloy
12/2002
12/25/2002CN1387696A Time base comprising integrated micromechanical ring resonator
12/12/2002US20020185936 Incremental tuning process for electrical resonators based on mechanical motion
11/2002
11/28/2002US20020175767 Method of minimizing the short-term frequency instability of laser-pumped atomic clocks
11/27/2002CN1382322A Laser light quantum system
11/07/2002US20020163394 Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel
09/2002
09/19/2002WO2001070092A3 Cpr mask with compression timing metronome and methods
09/12/2002US20020126583 Absolute time scale clock
09/12/2002US20020125418 Atomic fountain apparatus
08/2002
08/29/2002US20020117612 Method for laser cooling of atoms and apparatus therefor as well as coherent light source used for laser cooling of atoms
08/28/2002CN2508323Y Auxiliary device for music teaching
08/21/2002EP1232563A1 Time base comprising an integrated micromechanical ring resonator
08/13/2002US6433309 Oscillator that uses thermostatic oven
08/07/2002EP1229766A2 Atomic fountain apparatus
07/2002
07/31/2002EP1227708A1 Method and apparatus for laser cooling of atoms as well as coherent light source used for laser cooling of atoms
07/30/2002US6426679 Miniature, low power atomic frequency standard with improved rf frequency synthesizer
07/24/2002EP1224709A1 Subminiature microwave cavity
07/18/2002WO2002021261A3 Method for producing computer-assisted real-time systems
06/2002
06/26/2002EP1216510A1 Laser light quantum system
06/25/2002US6411169 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same
06/20/2002US20020075079 Miniature, low power atomic frequency standard with improved rf frequency synthesizer
06/19/2002CN1354846A Sound-light indicating process and device
06/13/2002US20020070817 Oscillation circuit and electronic circuit, and semiconductor device, timepiece and electronic equipment provided with the same
05/2002
05/01/2002CN2489364Y Electronic metronome
04/2002
04/24/2002CN1083636C Oscillation circuiot
04/04/2002WO2002027916A1 Oscillation circuit, electronic circuit, and semiconductor device, clock, and electronic apparatus which comprise these circuits
03/2002
03/26/2002US6363091 Coherent population trapping-based method for generating a frequency standard having a reduced magnitude of total a.c. stark shift
03/26/2002US6363036 Light clock
03/19/2002US6359917 Detection method and detector for generating a detection signal that quantifies a resonant interaction between a quantum absorber and incident electro-magnetic radiation
03/19/2002US6359916 Coherent population trapping-based frequency standard and method for generating a frequency standard incorporating a quantum absorber that generates the CPT state with high frequency
03/14/2002WO2002021261A2 Method for producing computer-assisted real-time systems
03/14/2002DE10057651A1 Verfahren zur Herstellung von computergestützten Echtzeitsystemen A process for producing computer based real-time systems
02/2002
02/14/2002DE10037695A1 Speaking metronome for use by singer, musician, outputs repeatedly ascending number sequence whose count threshold and interval can be set
01/2002
01/24/2002US20020008446 Electrical resonators with incremental tuning capability
01/15/2002US6339276 Incremental tuning process for electrical resonators based on mechanical motion
12/2001
12/25/2001US6333942 Atomic frequency standard laser pulse oscillator
12/20/2001DE10109736A1 Oszillator mit Ofen Oscillator with oven
12/11/2001US6329066 Self-compensating spiral for a spiral balance-wheel in watchwork and process for treating this spiral
12/06/2001US20010049013 Self-compensating spiral for a spiral balance-wheel in watchwork and process for treating this spiral
12/04/2001US6326883 Device for monitoring the delivery of a speech
11/2001
11/28/2001EP0906592B1 Hydrogen sync
11/21/2001CN2461114Y Pocket high volume microcomputer controlled metronome
11/15/2001US20010040154 Oscillator that uses thermostatic oven
10/2001
10/24/2001EP1147457A1 Light clock
10/23/2001US6307415 Hysteresis circuit
10/18/2001WO2001077761A1 A digital electronic sports metronome
09/2001
09/27/2001WO2001070092A2 Cpr mask with compression timing metronome and methods
09/27/2001CA2403816A1 Cpr mask with compression timing metronome and methods
08/2001
08/16/2001DE10004148A1 Clock pulse transfer method for musical orchestra, involves using metronome which is mechanically or electronically driven to transfer oscillations or pulses to human body directly
08/15/2001CN1069797C Highly stable frequency generator
07/2001
07/26/2001WO2001054281A1 Counter
07/26/2001WO2001054196A1 Dual-sided, surface mountable integrated circuit package
06/2001
06/20/2001CN2435816Y Pocket high volume microcomputer control metronome
06/13/2001DE19959740A1 Musical tempo representation method involves reproducing timing information in spoken form via loudspeaker using e.g. digital speech memory with microphone unit, processor, time reference
05/2001
05/30/2001EP1104209A2 Communication apparatus, control method therefor and storage medium storing program for executing the method
05/30/2001CN2432612Y Tonality-currecting metronome
05/30/2001CN1297544A Electronic device, external adjusting device for electronic device and method of adjusting electronic device
05/10/2001WO2001033711A1 Time base comprising an integrated micromechanical ring resonator
05/10/2001CA2389980A1 Time base comprising an integrated micromechanical ring resonator
05/01/2001US6226344 Generation of a time period
05/01/2001US6225870 Miniaturized microwave cavity for atomic frequency standard
04/2001
04/24/2001US6222424 Optically pumped atomic frequency standard
04/12/2001WO2001026231A1 Apparatus for the generation of a reference frequency
04/04/2001EP1089145A1 Electronic device, external adjusting device for electronic device and method of adjusting electronic device
03/2001
03/13/2001US6201821 Coherent population trapping-based frequency standard having a reduced magnitude of total a.c. stark shift
03/13/2001US6201769 Metronome with clock display
03/07/2001CN1286463A Method and device for monitoring tempo
03/01/2001WO2001015325A1 Laser light quantum system
02/2001
02/08/2001WO2001009974A1 Subminiature microwave cavity
01/2001
01/11/2001WO2001002913A1 Sound-light indicating process and device
01/09/2001US6172570 Laser light quantum system
12/2000
12/26/2000US6166609 Oscillator circuit supplied with optimal power voltage according to oscillator output
11/2000
11/29/2000EP0825891B1 Programmable audible pacing device
11/14/2000US6147564 Oscillation circuit having electrostatic protective circuit
10/2000
10/17/2000US6133800 Subminiature microwave cavity
10/05/2000WO2000058794A1 Electronic device, external adjusting device for electronic device and method of adjusting electronic device
08/2000
08/16/2000EP0859972B1 Miniature atomic frequency standard controlled by a digital processor
08/01/2000US6097257 Crystal oscillator circuit having transistor with back gate voltage control
07/2000
07/06/2000WO2000039642A1 Light clock
06/2000
06/28/2000EP1014518A2 An atomic frequency standard laser pulse oscillator
05/2000
05/10/2000CN1252628A Atomic frequency scale microwave cavity
04/2000
04/04/2000US6046648 Crystal oscillator circuit having low power consumption
03/2000
03/21/2000US6040517 Rhythmic tone generator
03/14/2000US6038198 Timer circuit
01/2000
01/18/2000US6015948 Structure of metronome
10/1999
10/06/1999CN1230707A Remote atomic clock correcting method by relative uniform linear motion
09/1999
09/28/1999US5959230 Tactile tempo indicating device
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