JPS5557181A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5557181A
JPS5557181A JP12923678A JP12923678A JPS5557181A JP S5557181 A JPS5557181 A JP S5557181A JP 12923678 A JP12923678 A JP 12923678A JP 12923678 A JP12923678 A JP 12923678A JP S5557181 A JPS5557181 A JP S5557181A
Authority
JP
Japan
Prior art keywords
signal source
oscillation
circuit
fixed period
signals
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.)
Granted
Application number
JP12923678A
Other languages
English (en)
Other versions
JPS6161283B2 (ja
Inventor
Hiroo Fujita
Akira Tsuzuki
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP12923678A priority Critical patent/JPS5557181A/ja
Priority to US06/085,457 priority patent/US4264967A/en
Publication of JPS5557181A publication Critical patent/JPS5557181A/ja
Publication of JPS6161283B2 publication Critical patent/JPS6161283B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • 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
    • G04G3/027—Circuits for deriving low frequency timing pulses from pulses of higher frequency by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios
    • 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)
JP12923678A 1978-10-20 1978-10-20 Electronic watch Granted JPS5557181A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12923678A JPS5557181A (en) 1978-10-20 1978-10-20 Electronic watch
US06/085,457 US4264967A (en) 1978-10-20 1979-10-16 Unit time producing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12923678A JPS5557181A (en) 1978-10-20 1978-10-20 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5557181A true JPS5557181A (en) 1980-04-26
JPS6161283B2 JPS6161283B2 (ja) 1986-12-25

Family

ID=15004535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12923678A Granted JPS5557181A (en) 1978-10-20 1978-10-20 Electronic watch

Country Status (2)

Country Link
US (1) US4264967A (ja)
JP (1) JPS5557181A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052884A1 (fr) * 1980-11-26 1982-06-02 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Garde-temps comprenant une chaîne de diviseurs au rapport de division ajustable
JPS62132405A (ja) * 1985-12-04 1987-06-15 Toshiba Corp 水晶発振回路

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443116A (en) * 1981-01-09 1984-04-17 Citizen Watch Company Limited Electronic timepiece
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control
US4763193A (en) * 1987-01-08 1988-08-09 Rca Licensing Corporation Automatic determination of time base in electronic time-keeping apparatus
FI95980C (fi) * 1992-09-04 1996-04-10 Nokia Mobile Phones Ltd Menetelmä ja kytkentäjärjestely ajan mittaamiseksi tarkasti epätarkalla kellolla
JP3460736B2 (ja) * 1994-04-06 2003-10-27 三菱電機株式会社 クロック制御回路
DE19618094C2 (de) * 1996-05-06 1999-06-02 Sgs Thomson Microelectronics Steuerschaltung mit nachstimmbarem Standby-Oszillator
US6009319A (en) * 1996-09-06 1999-12-28 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing power consumption in a mobile radio communication device
US6411830B2 (en) 1997-08-05 2002-06-25 D.S.P.C. Technologies Ltd System and method for reducing power consumption in waiting mode
US6176611B1 (en) * 1997-08-05 2001-01-23 D.S.P.C. Technologies Ltd. System and method for reducing power consumption in waiting mode
JP2000098067A (ja) * 1998-09-22 2000-04-07 Mannesmann Vdo Ag クロックに基づく時間表示手段を有する装置
DE69937682T2 (de) * 1999-10-20 2008-11-20 Sony Deutschland Gmbh Mobiler Terminal für ein drahtloses Telekommunikationsverfahren mit genauer Echtzeiterzeugung
KR100507875B1 (ko) * 2002-06-28 2005-08-18 주식회사 하이닉스반도체 지연고정루프에서의 클럭분주기 및 클럭분주방법
EP1852756B1 (en) * 2005-02-24 2010-09-01 Seiko Epson Corporation Clock signal outputting device and its control method
DE102006060926A1 (de) * 2006-12-20 2008-07-10 Atmel Germany Gmbh Verfahren zum Erhöhen einer Programmiergeschwindigkeit für einen Zeitzeichenempfänger, programmierbarer Zeitzeichenempfänger und Programmiergerät für eine Programmierung eines Zeitzeichenempfängers
EP2525265B1 (en) * 2011-05-14 2015-06-03 Johnson Controls Automotive Electronics GmbH Method of operation of a timepiece device
RU2600539C2 (ru) * 2014-12-08 2016-10-20 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации Способ формирования и ведения групповой меры частоты

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5071362A (ja) * 1973-10-24 1975-06-13
JPS6035637B2 (ja) * 1975-06-05 1985-08-15 シチズン時計株式会社 電子時計
JPS5312255A (en) * 1976-07-21 1978-02-03 Seiko Epson Corp Electronic clock

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052884A1 (fr) * 1980-11-26 1982-06-02 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Garde-temps comprenant une chaîne de diviseurs au rapport de division ajustable
JPS62132405A (ja) * 1985-12-04 1987-06-15 Toshiba Corp 水晶発振回路
JPH0457241B2 (ja) * 1985-12-04 1992-09-11 Tokyo Shibaura Electric Co

Also Published As

Publication number Publication date
US4264967A (en) 1981-04-28
JPS6161283B2 (ja) 1986-12-25

Similar Documents

Publication Publication Date Title
JPS5557181A (en) Electronic watch
JPS53129570A (en) Crystal oscillator circuit
JPS5222416A (en) Radio receiver with clock
JPS5293258A (en) Phase syncronizing oscillator
JPS5535545A (en) Digital phase synchronous circuit
JPS5549039A (en) Digital pulse divider
JPS532060A (en) High harmonic generator
JPS5378725A (en) Process circuit for color video signal
JPS54141507A (en) Phase synchronism circuit
JPS55163481A (en) Time standard generator
JPS5521639A (en) Clock generation circuit
JPS5210620A (en) Method for correcting fluctuation of time axis
JPS55100747A (en) Operating-power reduction control system
JPS5567692A (en) Counter fast feed system
JPS5335466A (en) Variable frequency oscillator circuit
JPS53133354A (en) Phase synchronizing circuit
JPS5367324A (en) Magnetic bubble cassette memory
JPS5312663A (en) Alarm electronic watch
JPS5291352A (en) 2-phase clock circuit
JPS5587986A (en) Electronic watch system
JPS529354A (en) Phase lock circuit
JPS5568884A (en) Inverter
JPS5493955A (en) Ignition pulse phase control method
JPS5568742A (en) Phase lock oscillator circuit
JPS5257760A (en) Phase lock loop circuit