by phase locking

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CPC
G04R40/02

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GPHYSICS G04Horology G04RRADIO-CONTROLLED TIME-PIECES G04R40/00Correcting the clock frequency

Current Industry

G04R40/02by phase locking

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Patents Grantslast 30 patents

Information Patent Grant
Electronic watch and method of correcting time difference
- Patent number 11,567,458
- Issue date Jan 31, 2023
- Seiko Epson Corporation
- Teruhiko Fujisawa
- G01 - MEASURING TESTING
Information Patent Grant
Phase clock performance improvement for a system embedded with GNSS...
- Patent number 11,300,688
- Issue date Apr 12, 2022
- Ciena Corporation
- Xiaojin Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timing signal generating device, electronic apparatus, moving objec...
- Patent number 9,952,562
- Issue date Apr 24, 2018
- Seiko Epson Corporation
- Hiroyuki Shimada
- G04 - HOROLOGY
Information Patent Grant
Self-calibrating time code generator
- Patent number 7,398,411
- Issue date Jul 8, 2008
- Schweitzer Engineering Laboratories, Inc.
- Gregary C. Zweigle
- G04 - HOROLOGY
Information Patent Grant
System and method for synchronizing clocks in a plurality of device...
- Patent number 6,236,623
- Issue date May 22, 2001
- Moore Industries
- James F. Read
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of issuing a time information signal via a satellite station...
- Patent number 6,230,027
- Issue date May 8, 2001
- U.S. Philips Corporation
- Elia Habib
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Standard frequency and timing generator and generation method thereof
- Patent number 6,081,163
- Issue date Jun 27, 2000
- Advantest Corp.
- Hitoshi Ujiie
- G01 - MEASURING TESTING
Information Patent Grant
Frequency standard generator
- Patent number 6,078,224
- Issue date Jun 20, 2000
- Advantest Corp.
- Hitoshi Ujiie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
GPS timing receiver using oversampling
- Patent number 5,883,596
- Issue date Mar 16, 1999
- Trimble Navigation Limited
- Eric B. Rodal
- G01 - MEASURING TESTING
Information Patent Grant
GPS timing receiver using oversampling
- Patent number 5,748,144
- Issue date May 5, 1998
- Trimble Navigation Limited
- Eric B. Rodal
- G01 - MEASURING TESTING
Information Patent Grant
Real time clock
- Patent number 5,740,129
- Issue date Apr 14, 1998
- Nokia Mobile Phones Limited
- Simon Frampton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
GPS reference clock generator
- Patent number 5,717,402
- Issue date Feb 10, 1998
- Peter Chu
- G04 - HOROLOGY
Information Patent Grant
Frequency standard generator synchronized with satellite or other c...
- Patent number 5,629,649
- Issue date May 13, 1997
- Advantest Corporation
- Hitoshi Ujiie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Satellite controlled digital clock system
- Patent number 4,014,166
- Issue date Mar 29, 1977
- The United States of America as represented by the Secretary of Commerce
- Joseph V. Cateora
- G04 - HOROLOGY
Information Patent Grant
3881310
- Patent number 3,881,310
- Issue date May 6, 1975
- G04 - HOROLOGY
Information Patent Grant
3852953
- Patent number 3,852,953
- Issue date Dec 10, 1974
- G04 - HOROLOGY
Information Patent Grant
3756010
- Patent number 3,756,010
- Issue date Sep 4, 1973
- G04 - HOROLOGY
Information Patent Grant
3614630
- Patent number 3,614,630
- Issue date Oct 19, 1971
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3566600
- Patent number 3,566,600
- Issue date Mar 2, 1971
- G04 - HOROLOGY
Information Patent Grant
3507111
- Patent number 3,507,111
- Issue date Apr 21, 1970
- G04 - HOROLOGY
Information Patent Grant
3169218
- Patent number 3,169,218
- Issue date Feb 9, 1965
- G04 - HOROLOGY
Information Patent Grant
2913671
- Patent number 2,913,671
- Issue date Nov 17, 1959
- G04 - HOROLOGY
Information Patent Grant
2814766
- Patent number 2,814,766
- Issue date Nov 26, 1957
- G04 - HOROLOGY
Information Patent Grant
2786972
- Patent number 2,786,972
- Issue date Mar 26, 1957
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Electronic Watch And Method Of Correcting Time Difference
- Publication number 20200201264
- Publication date Jun 25, 2020
- SEIKO EPSON CORPORATION
- Teruhiko FUJISAWA
- G01 - MEASURING TESTING
Information Patent Application
TIMING SIGNAL GENERATING DEVICE, ELECTRONIC APPARATUS, MOVING OBJEC...
- Publication number 20140203963
- Publication date Jul 24, 2014
- SEIKO EPSON CORPORATION
- Hiroyuki Shimada
- G04 - HOROLOGY
Information Patent Application
GLOBAL POSITIONING SYSTEMS BASED DISCIPLINED REFERENCE CLOCK
- Publication number 20100220006
- Publication date Sep 2, 2010
- Amir Arab
- G04 - HOROLOGY
Information Patent Application
Timepiece and Time Correction Method for a Timepiece
- Publication number 20080031095
- Publication date Feb 7, 2008
- SEIKO EPSON CORPORATION
- Jun Matsuzaki
- G04 - HOROLOGY
Information Patent Application
Self-calibrating time code generator
- Publication number 20060259806
- Publication date Nov 16, 2006
- SCHWEITZER ENG. LABORATORIES, INC.
- Gregary C. Zweigle
- G04 - HOROLOGY

by phase locking

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electronic watch and method of correcting time difference

Phase clock performance improvement for a system embedded with GNSS...

Timing signal generating device, electronic apparatus, moving objec...

Self-calibrating time code generator

System and method for synchronizing clocks in a plurality of device...

Method of issuing a time information signal via a satellite station...

Standard frequency and timing generator and generation method thereof

Frequency standard generator

GPS timing receiver using oversampling

GPS timing receiver using oversampling

Real time clock

GPS reference clock generator

Frequency standard generator synchronized with satellite or other c...

Satellite controlled digital clock system

3881310

3852953

3756010

3614630

3566600

3507111

3169218

2913671

2814766

2786972

Patents Applicationslast 30 patents

Electronic Watch And Method Of Correcting Time Difference

TIMING SIGNAL GENERATING DEVICE, ELECTRONIC APPARATUS, MOVING OBJEC...

GLOBAL POSITIONING SYSTEMS BASED DISCIPLINED REFERENCE CLOCK

Timepiece and Time Correction Method for a Timepiece

Self-calibrating time code generator