DE69520326D1 - Frequenzgenerator mit hoher Stabilität - Google Patents

Frequenzgenerator mit hoher Stabilität

Info

Publication number
DE69520326D1
DE69520326D1 DE69520326T DE69520326T DE69520326D1 DE 69520326 D1 DE69520326 D1 DE 69520326D1 DE 69520326 T DE69520326 T DE 69520326T DE 69520326 T DE69520326 T DE 69520326T DE 69520326 D1 DE69520326 D1 DE 69520326D1
Authority
DE
Germany
Prior art keywords
high stability
frequency generator
generator
frequency
stability
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69520326T
Other languages
English (en)
Other versions
DE69520326T2 (de
Inventor
Minh-Tam Diep
Emil Zellweger
Rudolf Dinger
Pierre-Andre Farine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asulab AG
Original Assignee
Asulab AG
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 Asulab AG filed Critical Asulab AG
Publication of DE69520326D1 publication Critical patent/DE69520326D1/de
Application granted granted Critical
Publication of DE69520326T2 publication Critical patent/DE69520326T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03L1/026—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 by using a memory for digitally storing correction values
DE69520326T 1994-11-04 1995-10-30 Frequenzgenerator mit hoher Stabilität Expired - Fee Related DE69520326T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413241A FR2726705B1 (fr) 1994-11-04 1994-11-04 Generateur de frequence a haute stabilite

Publications (2)

Publication Number Publication Date
DE69520326D1 true DE69520326D1 (de) 2001-04-19
DE69520326T2 DE69520326T2 (de) 2001-10-11

Family

ID=9468531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520326T Expired - Fee Related DE69520326T2 (de) 1994-11-04 1995-10-30 Frequenzgenerator mit hoher Stabilität

Country Status (10)

Country Link
US (1) US5719827A (de)
EP (1) EP0711040B1 (de)
JP (1) JPH08265043A (de)
CN (1) CN1069797C (de)
AU (1) AU695013B2 (de)
CA (1) CA2161938A1 (de)
DE (1) DE69520326T2 (de)
FR (1) FR2726705B1 (de)
SG (1) SG34279A1 (de)
TW (1) TW342557B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304517B1 (en) * 1999-06-18 2001-10-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for real time clock frequency error correction
US6587694B1 (en) * 1999-09-24 2003-07-01 Agere Systems Inc. Clock synchronization between wireless devices during cradled time
EP1094374B1 (de) * 1999-10-20 2007-12-05 Sony Deutschland GmbH Mobiler Terminal für ein drahtloses Telekommunikationsverfahren mit genauer Echtzeiterzeugung
WO2001033711A1 (en) * 1999-11-02 2001-05-10 Eta Sa Fabriques D'ebauches Time base comprising an integrated micromechanical ring resonator
KR100498839B1 (ko) * 2002-11-26 2005-07-04 삼성전자주식회사 아날로그 시계 내장형 단말기의 아날로그 시계 시각 조정방법 및 장치
US6958951B2 (en) * 2003-07-21 2005-10-25 The Johns Hopkins University Adaptive Kalman Filter process for controlling an ensemble clock
CN100395956C (zh) * 2003-11-12 2008-06-18 晶豪科技股份有限公司 可自行校准的晶体振荡器及其专用集成电路
US20080222440A1 (en) * 2007-03-07 2008-09-11 Stephen Jones Real time clock calibration system
GB2448735A (en) * 2007-04-26 2008-10-29 Kevin John Richard Jones Timepiece regulator
US20090129208A1 (en) * 2009-01-28 2009-05-21 Weiss Kenneth P Apparatus, system and method for keeping time
US9292006B2 (en) 2010-03-26 2016-03-22 Citizen Holdings Co., Ltd. Radio-controlled timepiece
EP3168695B1 (de) * 2015-11-13 2021-03-10 ETA SA Manufacture Horlogère Suisse Testverfahren für ganggenauigkeit einer quartzuhr
CN117076932B (zh) * 2023-10-13 2024-01-26 源予半导体南京有限公司 高灵敏度电容变化检测方法、系统、电子设备和存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599609B5 (de) 1976-04-23 1978-05-31 Ebauches Sa
JPS5430074A (en) * 1977-08-10 1979-03-06 Seiko Epson Corp Time measuring system
JPS5550191A (en) * 1978-10-06 1980-04-11 Citizen Watch Co Ltd Electronic timepiece
WO1981001888A1 (en) * 1979-12-20 1981-07-09 Ricoh Watch Linearizing circuit and electronic time piece using the same
US4427302A (en) * 1980-06-06 1984-01-24 Citizen Watch Company Limited Timekeeping signal source for an electronic timepiece
US4443116A (en) * 1981-01-09 1984-04-17 Citizen Watch Company Limited Electronic timepiece
CH650122GA3 (de) * 1981-12-17 1985-07-15
FR2548848A1 (fr) * 1983-07-06 1985-01-11 Thomson Csf Generateur de frequence compense en temperature
GB2162974B (en) * 1984-08-09 1988-04-27 Suwa Seikosha Kk Electronic timepiece
US5216389A (en) * 1992-01-31 1993-06-01 Motorola, Inc. Temperature compensation of a crystal reference using direct digital synthesis
US5317287A (en) * 1992-07-16 1994-05-31 National Semiconductor Corporation Low-gain, range programmable, temperature compensated voltage controlled ring oscillator
EP0727876B1 (de) * 1993-01-25 2004-07-14 Matsushita Electric Industrial Co., Ltd. Temperaturkompensierter Quarzoszillator

Also Published As

Publication number Publication date
JPH08265043A (ja) 1996-10-11
CA2161938A1 (en) 1996-05-05
US5719827A (en) 1998-02-17
AU695013B2 (en) 1998-08-06
FR2726705A1 (fr) 1996-05-10
CN1132962A (zh) 1996-10-09
TW342557B (en) 1998-10-11
CN1069797C (zh) 2001-08-15
FR2726705B1 (fr) 1996-12-20
DE69520326T2 (de) 2001-10-11
EP0711040B1 (de) 2001-03-14
AU3662795A (en) 1996-05-09
SG34279A1 (en) 1996-12-06
EP0711040A1 (de) 1996-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee