DE69519452D1 - Zeitkorrektur einer elektronischen Uhr - Google Patents

Zeitkorrektur einer elektronischen Uhr

Info

Publication number
DE69519452D1
DE69519452D1 DE69519452T DE69519452T DE69519452D1 DE 69519452 D1 DE69519452 D1 DE 69519452D1 DE 69519452 T DE69519452 T DE 69519452T DE 69519452 T DE69519452 T DE 69519452T DE 69519452 D1 DE69519452 D1 DE 69519452D1
Authority
DE
Germany
Prior art keywords
correcting
time
electronic watch
watch
electronic
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 - Lifetime
Application number
DE69519452T
Other languages
English (en)
Other versions
DE69519452T2 (de
Inventor
Motoyoshi Komoda
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69519452D1 publication Critical patent/DE69519452D1/de
Application granted granted Critical
Publication of DE69519452T2 publication Critical patent/DE69519452T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/04—Temperature-compensating arrangements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
DE1995619452 1994-05-20 1995-05-19 Zeitkorrektur einer elektronischen Uhr Expired - Lifetime DE69519452T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13113094A JP2624176B2 (ja) 1994-05-20 1994-05-20 電子時計及び時刻補正方法

Publications (2)

Publication Number Publication Date
DE69519452D1 true DE69519452D1 (de) 2000-12-28
DE69519452T2 DE69519452T2 (de) 2001-03-22

Family

ID=15050691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995619452 Expired - Lifetime DE69519452T2 (de) 1994-05-20 1995-05-19 Zeitkorrektur einer elektronischen Uhr

Country Status (7)

Country Link
US (1) US5748570A (de)
EP (1) EP0683443B1 (de)
JP (1) JP2624176B2 (de)
CN (1) CN1052083C (de)
AU (1) AU687177B2 (de)
CA (1) CA2149813A1 (de)
DE (1) DE69519452T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10170669A (ja) * 1996-12-11 1998-06-26 Hudson Soft Co Ltd 計測装置及びこれを用いた玩具
IT1293457B1 (it) * 1997-07-15 1999-03-01 Alsthom Cge Alcatel Sistema per fornire un'informazione relativa alla frequenza di sorgente in un sistema di rice-trasmissione digitale.
US5930294A (en) * 1997-08-07 1999-07-27 Cisco Technology, Inc. Frequency measurement circuit
US6304517B1 (en) 1999-06-18 2001-10-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for real time clock frequency error correction
DE69937682T2 (de) * 1999-10-20 2008-11-20 Sony Deutschland Gmbh Mobiler Terminal für ein drahtloses Telekommunikationsverfahren mit genauer Echtzeiterzeugung
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
KR100396785B1 (ko) * 2001-10-19 2003-09-02 엘지전자 주식회사 Ｇｓｍ단말기의 시간오차 보상장치 및 방법
US7058149B2 (en) * 2001-12-14 2006-06-06 Freescale Semiconductor, Inc. System for providing a calibrated clock and methods thereof
KR100498839B1 (ko) * 2002-11-26 2005-07-04 삼성전자주식회사 아날로그 시계 내장형 단말기의 아날로그 시계 시각 조정방법 및 장치
DE102005020349B4 (de) * 2005-05-02 2007-05-03 Prof. Dr. Horst Ziegler und Partner GbR (vertretungsberechtigter Gesellschafter: Prof. Dr. Horst Ziegler 33100 Paderborn) Verbrauchserfassungssystem
US8341443B2 (en) * 2007-05-11 2012-12-25 Freescale Semiconductor, Inc. System and method for secure real time clocks
CN101646986B (zh) * 2007-05-15 2013-10-23 克罗诺洛吉克有限公司 基于usb的同步和定时系统
US20100085096A1 (en) * 2008-10-06 2010-04-08 Texas Instruments Incorporated Energy-efficient clock system
US20090129208A1 (en) * 2009-01-28 2009-05-21 Weiss Kenneth P Apparatus, system and method for keeping time
US8391105B2 (en) * 2010-05-13 2013-03-05 Maxim Integrated Products, Inc. Synchronization of a generated clock
JP5306512B1 (ja) 2012-04-27 2013-10-02 ラピスセミコンダクタ株式会社 半導体装置、計測機器、及び補正方法
JP6034663B2 (ja) * 2012-11-01 2016-11-30 ルネサスエレクトロニクス株式会社 半導体装置
US10274899B2 (en) * 2012-12-21 2019-04-30 Eta Sa Manufacture Horlogère Suisse Thermocompensated chronometer circuit
CN103197531A (zh) * 2013-04-15 2013-07-10 航天科技控股集团股份有限公司 汽车仪表盘电子时钟精度调整方法
EP2916193B1 (de) * 2014-03-06 2016-07-27 EM Microelectronic-Marin SA Zeitbasis, die einen oszillator, eine frequenzteilerschaltung und einen schaltkreis zur taktpulshemmung umfasst
CN109001970B (zh) * 2017-06-07 2021-09-24 精工爱普生株式会社 计时装置、电子设备以及移动体
WO2019012636A1 (ja) * 2017-07-12 2019-01-17 三菱電機株式会社 時刻補正装置及び時刻補正方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035637B2 (ja) * 1975-06-05 1985-08-15 シチズン時計株式会社 電子時計
US4321521A (en) * 1978-12-25 1982-03-23 Kabushiki Kaisha Daini Seikosha Detection device of electronic timepiece
JPS55152492A (en) * 1979-05-18 1980-11-27 Rhythm Watch Co Ltd Crystal timepiece with temperature compensation
US4305041A (en) * 1979-10-26 1981-12-08 Rockwell International Corporation Time compensated clock oscillator
JPS5883296A (ja) * 1981-11-13 1983-05-19 Citizen Watch Co Ltd 電子時計
JPS6256682A (ja) * 1985-09-05 1987-03-12 Matsushita Electric Ind Co Ltd 湯水混合栓
JPS63133083A (ja) * 1986-11-25 1988-06-04 Ricoh Co Ltd 機器内蔵時計の時刻修正方式
JPH0729513Y2 (ja) * 1988-04-06 1995-07-05 セイコーエプソン株式会社 電子時計用回路
JPH0212084A (ja) * 1988-06-30 1990-01-17 Matsushita Electric Ind Co Ltd 電子時計及びその発振誤差補正方法
JPH04211502A (ja) * 1990-03-27 1992-08-03 Nec Corp 水晶発振器
JPH0449283A (ja) * 1990-06-15 1992-02-18 Hitachi Chem Co Ltd 抗真菌剤
JPH04319694A (ja) * 1991-04-19 1992-11-10 Seikosha Co Ltd 時刻補正データメモリ付時計装置
JPH0587956A (ja) * 1991-09-25 1993-04-09 Casio Comput Co Ltd 電子時計

Also Published As

Publication number Publication date
JPH07311289A (ja) 1995-11-28
EP0683443B1 (de) 2000-11-22
JP2624176B2 (ja) 1997-06-25
CA2149813A1 (en) 1995-11-21
US5748570A (en) 1998-05-05
CN1052083C (zh) 2000-05-03
CN1128873A (zh) 1996-08-14
AU687177B2 (en) 1998-02-19
EP0683443A2 (de) 1995-11-22
EP0683443A3 (de) 1996-03-20
AU2016195A (en) 1995-11-30
DE69519452T2 (de) 2001-03-22

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