EG25317A - Dithering control of oscilator frequency to reducecumulative timing error in a clock. - Google Patents

Dithering control of oscilator frequency to reducecumulative timing error in a clock.

Info

Publication number
EG25317A
EG25317A EG2009040453A EG2009040453A EG25317A EG 25317 A EG25317 A EG 25317A EG 2009040453 A EG2009040453 A EG 2009040453A EG 2009040453 A EG2009040453 A EG 2009040453A EG 25317 A EG25317 A EG 25317A
Authority
EG
Egypt
Prior art keywords
reducecumulative
clock
timing error
dithering control
oscilator
Prior art date
Application number
EG2009040453A
Other languages
English (en)
Inventor
Lee Scott Gary
Ernest Dryer Joseph
Original Assignee
Pgs Onshore Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pgs Onshore Inc filed Critical Pgs Onshore Inc
Application granted granted Critical
Publication of EG25317A publication Critical patent/EG25317A/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/04—Temperature-compensating arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R40/00—Correcting the clock frequency
    • G04R40/06—Correcting the clock frequency by computing the time value implied by the radio signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Electric Clocks (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
EG2009040453A 2008-04-14 2009-04-05 Dithering control of oscilator frequency to reducecumulative timing error in a clock. EG25317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/082,788 US20090257321A1 (en) 2008-04-14 2008-04-14 Dithering control of oscillator frequency to reduce cumulative timing error in a clock

Publications (1)

Publication Number Publication Date
EG25317A true EG25317A (en) 2011-12-12

Family

ID=41130503

Family Applications (1)

Application Number Title Priority Date Filing Date
EG2009040453A EG25317A (en) 2008-04-14 2009-04-05 Dithering control of oscilator frequency to reducecumulative timing error in a clock.

Country Status (10)

Country Link
US (2) US20090257321A1 (de)
EP (1) EP2120343B1 (de)
AU (1) AU2009201054A1 (de)
BR (1) BRPI0900972A2 (de)
CA (1) CA2658318A1 (de)
CO (1) CO6210127A1 (de)
EA (1) EA015659B1 (de)
EG (1) EG25317A (de)
MX (1) MX2009003956A (de)
PE (1) PE20100229A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI410776B (zh) * 2010-03-16 2013-10-01 Quanta Comp Inc 測試方法及應用其之電腦裝置及電腦測試系統
JP5760847B2 (ja) * 2011-08-22 2015-08-12 日本電気株式会社 情報処理装置、情報処理システム、情報処理装置の異常兆候検出方法、及び異常兆候検出プログラム
US9541649B2 (en) 2013-05-02 2017-01-10 The Mitre Corporation Detecting timing anomalies
JP5751280B2 (ja) * 2013-05-28 2015-07-22 カシオ計算機株式会社 電波時計
US10495759B2 (en) 2014-02-13 2019-12-03 The Mitre Corporation GPS spoofing detection techniques
US9900856B2 (en) * 2015-03-20 2018-02-20 Qualcomm Incorporated Method and apparatus for time or frequency synchronization in non-geosynchronous satellite communication systems
RU2599395C1 (ru) * 2015-06-05 2016-10-10 Общество с ограниченной ответственностью "Научно-исследовательский институт природных газов и газовых технологий - Газпром ВНИИГАЗ" Технологическая жидкость для капитального ремонта скважин
FR3083326B1 (fr) * 2018-06-29 2020-10-16 Sercel Rech Const Elect Procede et systeme d'estimation de la derive d'une horloge de datation d'echantillons de donnees sismiques

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5422865A (en) * 1977-07-21 1979-02-21 Seiko Epson Corp Miniature electronic watch
US4443116A (en) * 1981-01-09 1984-04-17 Citizen Watch Company Limited Electronic timepiece
US4899117A (en) * 1987-12-24 1990-02-06 The United States Of America As Represented By The Secretary Of The Army High accuracy frequency standard and clock system
US5826066A (en) * 1996-08-08 1998-10-20 Tandem Computers Incorporated Method for keeping accurate time in a computer system
US6086244A (en) * 1997-03-20 2000-07-11 Stmicroelectronics, Inc. Low power, cost effective, temperature compensated, real time clock and method of clocking systems
US6081163A (en) * 1999-01-22 2000-06-27 Advantest Corp. Standard frequency and timing generator and generation method thereof
US6535926B1 (en) * 1999-09-30 2003-03-18 Rockwell Automation Technologies, Inc. Time synchronization system for industrial control network using global reference pulses
GB2358490B (en) 1999-12-29 2004-08-11 Nokia Mobile Phones Ltd A clock
DE10112373A1 (de) * 2001-03-15 2002-09-26 Philips Corp Intellectual Pty Verfahren zum Korrigieren einer Echtzeituhr eines elektronischen Geräts
RU2220439C2 (ru) * 2001-08-16 2003-12-27 Общество с ограниченной ответственностью "Вектор" Способ коррекции хода электронных часов
US6636122B2 (en) * 2001-10-09 2003-10-21 Zilog, Inc. Analog frequency locked loop with digital oversampling feedback control and filter
AU2003219841A1 (en) * 2002-02-22 2003-09-09 Global Locate, Inc. Method and apparatus for compensating an oscillator in a location-enabled wireless device
FR2853093B1 (fr) * 2003-03-25 2005-09-30 Systeme de compensation des derives d'une horloge pour vehicule automobile
JP4651988B2 (ja) * 2004-08-04 2011-03-16 京セラミタ株式会社 時計精度修正装置
JP4734115B2 (ja) * 2005-12-28 2011-07-27 セイコープレシジョン株式会社 計時システム、時刻サービス提供装置及び時刻サービス提供システム
US20080263380A1 (en) * 2007-04-23 2008-10-23 Joseph Ernest Dryer Gps time syncronization for data device

Also Published As

Publication number Publication date
EA015659B1 (ru) 2011-10-31
MX2009003956A (es) 2009-10-22
EP2120343A2 (de) 2009-11-18
US20110140788A1 (en) 2011-06-16
CO6210127A1 (es) 2010-10-20
US20090257321A1 (en) 2009-10-15
PE20100229A1 (es) 2010-04-16
EP2120343B1 (de) 2012-09-19
BRPI0900972A2 (pt) 2010-04-06
EA200900421A1 (ru) 2009-12-30
AU2009201054A1 (en) 2009-10-29
EP2120343A3 (de) 2010-12-15
CA2658318A1 (en) 2009-10-14

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