CH624820B - Piece d'horlogerie electronique, notamment montre-bracelet. - Google Patents

Piece d'horlogerie electronique, notamment montre-bracelet.

Info

Publication number
CH624820B
CH624820B CH1264678A CH1264678A CH624820B CH 624820 B CH624820 B CH 624820B CH 1264678 A CH1264678 A CH 1264678A CH 1264678 A CH1264678 A CH 1264678A CH 624820 B CH624820 B CH 624820B
Authority
CH
Switzerland
Prior art keywords
stage
memory
time
divider
time adjustment
Prior art date
Application number
CH1264678A
Other languages
English (en)
French (fr)
Other versions
CH624820GA3 (OSRAM
Inventor
Takashi Ishida
Original Assignee
Seiko Instr & Electronics
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 of CH624820B publication Critical patent/CH624820B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH624820GA3 publication Critical patent/CH624820GA3/xx

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)
CH1264678A 1977-12-12 1978-12-12 Piece d'horlogerie electronique, notamment montre-bracelet. CH624820B (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
CH624820B true CH624820B (fr)
CH624820GA3 CH624820GA3 (OSRAM) 1981-08-31

Family

ID=15476174

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1264678A CH624820B (fr) 1977-12-12 1978-12-12 Piece d'horlogerie electronique, notamment montre-bracelet.

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
JPS5481873A (en) 1979-06-29

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Legal Events

Date Code Title Description
PL Patent ceased