SG49601A1 - Electronic timekeeping device with reduced adjustment data storage requirement - Google Patents

Electronic timekeeping device with reduced adjustment data storage requirement

Info

Publication number
SG49601A1
SG49601A1 SG1996000646A SG1996000646A SG49601A1 SG 49601 A1 SG49601 A1 SG 49601A1 SG 1996000646 A SG1996000646 A SG 1996000646A SG 1996000646 A SG1996000646 A SG 1996000646A SG 49601 A1 SG49601 A1 SG 49601A1
Authority
SG
Singapore
Prior art keywords
data storage
adjustment data
storage requirement
timekeeping device
reduced adjustment
Prior art date
Application number
SG1996000646A
Other languages
English (en)
Inventor
Yutaka Suzuki
Takumi Ishida
Masaharu Hayakawa
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SG49601A1 publication Critical patent/SG49601A1/en

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
SG1996000646A 1993-11-29 1994-11-06 Electronic timekeeping device with reduced adjustment data storage requirement SG49601A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5298090A JPH07154243A (ja) 1993-11-29 1993-11-29 電子式時計装置ならびに補正値決定装置および方法

Publications (1)

Publication Number Publication Date
SG49601A1 true SG49601A1 (en) 1998-06-15

Family

ID=17855039

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000646A SG49601A1 (en) 1993-11-29 1994-11-06 Electronic timekeeping device with reduced adjustment data storage requirement

Country Status (6)

Country Link
US (1) US5481507A (zh)
JP (1) JPH07154243A (zh)
DE (1) DE4443235C2 (zh)
GB (1) GB2284286B (zh)
SG (1) SG49601A1 (zh)
TW (1) TW245782B (zh)

Families Citing this family (17)

* 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
CA2328292C (en) * 1999-12-15 2003-09-16 Matsushita Electric Works, Ltd. Program timer
US6545950B1 (en) * 2000-05-16 2003-04-08 Ericsson Inc. Methods, systems, wireless terminals, and computer program products for calibrating an electronic clock using a base reference signal and a non-continuous calibration reference signal having greater accuracy than the base reference signal
DE10112373A1 (de) * 2001-03-15 2002-09-26 Philips Corp Intellectual Pty Verfahren zum Korrigieren einer Echtzeituhr eines elektronischen Geräts
JP2002305443A (ja) * 2001-04-06 2002-10-18 Texas Instr Japan Ltd タイマー回路
KR101428787B1 (ko) * 2007-02-08 2014-08-08 가부시키가이샤 한도오따이 에네루기 켄큐쇼 클록 신호 생성 회로 및 반도체 장치
US7505548B2 (en) * 2007-05-31 2009-03-17 Seiko Epson Corporation Circuits and methods for programmable integer clock division with 50% duty cycle
JP5114218B2 (ja) * 2008-01-10 2013-01-09 ラピスセミコンダクタ株式会社 周波数補正回路及びこれを用いた時計装置
KR101635545B1 (ko) * 2009-03-03 2016-07-11 삼성전자주식회사 타이머의 오차 보상 방법
US9405342B2 (en) * 2009-04-01 2016-08-02 Schneider Electric It Corporation System and method for providing timing
TWI395027B (zh) * 2009-05-01 2013-05-01 Ind Tech Res Inst 框膠組成物
CN103529376A (zh) * 2012-07-03 2014-01-22 鸿富锦精密工业（深圳）有限公司 时钟测试电路
CN102981551B (zh) * 2012-11-22 2015-07-29 百利通科技（扬州）有限公司 一种实时时钟温度补偿***及方法
CN105223872B (zh) * 2015-10-19 2017-12-08 浙江卓奥科技股份有限公司 一种电气终端控制板用方波发生器
CN106814789B (zh) * 2017-01-25 2020-07-03 腾讯科技（深圳）有限公司 一种计时方法及装置
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
CN113805565B (zh) * 2021-09-13 2023-05-23 潍柴动力股份有限公司 一种计数器控制方法、装置、车辆及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414277A (en) * 1977-07-04 1979-02-02 Seiko Epson Corp Electronic watch
JPS5481873A (en) * 1977-12-12 1979-06-29 Seiko Instr & Electronics Ltd Electronic watch
DE3021863C2 (de) * 1980-06-11 1985-03-21 Vdo Adolf Schindling Ag, 6000 Frankfurt Elektronische Uhr mit einer Zeitbasis und einer Temperaturkompensationsschaltungsanordnung
CH643106B (fr) * 1980-11-26 Suisse Horlogerie Garde-temps comprenant une chaine de diviseurs au rapport de division ajustable.
US4407589A (en) * 1981-02-13 1983-10-04 Davidson John R Error correction method and apparatus for electronic timepieces
JPS6370616A (ja) * 1986-09-12 1988-03-30 Mitsubishi Electric Corp クロツク周波数調整回路
US4708491A (en) * 1987-05-27 1987-11-24 Chrysler Motors Corporation Time of day clock
JPH0269790A (ja) * 1988-09-06 1990-03-08 Ricoh Co Ltd 転写前処理装置
US4903251A (en) * 1989-09-05 1990-02-20 Ford Motor Company Accuracy adjustment for time-of-day clock using a microcontroller
JPH0450793A (ja) * 1990-06-20 1992-02-19 Toshiba Corp 時計精度調整装置
US5327404A (en) * 1990-11-27 1994-07-05 Vlsi Technology, Inc. On-chip frequency trimming method for real-time clock

Also Published As

Publication number Publication date
GB2284286A (en) 1995-05-31
US5481507A (en) 1996-01-02
GB9423143D0 (en) 1995-01-04
JPH07154243A (ja) 1995-06-16
GB2284286B (en) 1997-08-20
TW245782B (en) 1995-04-21
DE4443235A1 (de) 1995-06-01
DE4443235C2 (de) 1997-04-03

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