JPS5481873A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5481873A
JPS5481873A JP14948577A JP14948577A JPS5481873A JP S5481873 A JPS5481873 A JP S5481873A JP 14948577 A JP14948577 A JP 14948577A JP 14948577 A JP14948577 A JP 14948577A JP S5481873 A JPS5481873 A JP S5481873A
Authority
JP
Japan
Prior art keywords
frequency
preset
output
frequency dividing
circuit
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.)
Pending
Application number
JP14948577A
Other languages
English (en)
Japanese (ja)
Inventor
Takashi Ishida
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments 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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP14948577A priority Critical patent/JPS5481873A/ja
Priority to CH1264678A priority patent/CH624820B/fr
Priority to US05/968,689 priority patent/US4707145A/en
Publication of JPS5481873A publication Critical patent/JPS5481873A/ja
Pending legal-status Critical Current

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
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Adornments (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP14948577A 1977-12-12 1977-12-12 Electronic watch Pending JPS5481873A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP14948577A JPS5481873A (en) 1977-12-12 1977-12-12 Electronic watch
CH1264678A CH624820B (fr) 1977-12-12 1978-12-12 Piece d'horlogerie electronique, notamment montre-bracelet.
US05/968,689 US4707145A (en) 1977-12-12 1978-12-15 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14948577A JPS5481873A (en) 1977-12-12 1977-12-12 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5481873A true JPS5481873A (en) 1979-06-29

Family

ID=15476174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14948577A Pending JPS5481873A (en) 1977-12-12 1977-12-12 Electronic watch

Country Status (3)

Country Link
US (1) US4707145A (OSRAM)
JP (1) JPS5481873A (OSRAM)
CH (1) CH624820B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204845A (en) * 1988-12-19 1993-04-20 Alcatel N.V. Clock synchronization
AU631153B2 (en) * 1988-12-19 1992-11-19 Alcatel Australia Limited Clock synchronization
JPH07154243A (ja) * 1993-11-29 1995-06-16 Mitsubishi Electric Corp 電子式時計装置ならびに補正値決定装置および方法
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
JP2013034174A (ja) * 2011-06-28 2013-02-14 Seiko Instruments Inc 電子機器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749876B2 (OSRAM) * 1973-09-19 1982-10-25
US3945194A (en) * 1973-12-15 1976-03-23 Itt Industries, Inc. Electronic quartz clock with integrated circuits
JPS50145269A (OSRAM) * 1974-05-14 1975-11-21
US4055945A (en) * 1975-12-15 1977-11-01 Timex Corporation Frequency adjustment means for an electronic timepiece
JPS5291471A (en) * 1976-01-28 1977-08-01 Toshiba Corp Clock pulse generator
CH512076A4 (OSRAM) * 1976-04-23 1977-06-30
US4142360A (en) * 1977-07-07 1979-03-06 Kabushiki Kaisha Suwa Seikosha Electronic timepiece

Also Published As

Publication number Publication date
US4707145A (en) 1987-11-17
CH624820GA3 (OSRAM) 1981-08-31
CH624820B (fr)

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