CH534913A - Timepiece - Google Patents

Timepiece

Info

Publication number
CH534913A
CH534913A CH227070A CH227070A CH534913A CH 534913 A CH534913 A CH 534913A CH 227070 A CH227070 A CH 227070A CH 227070 A CH227070 A CH 227070A CH 534913 A CH534913 A CH 534913A
Authority
CH
Switzerland
Prior art keywords
timepiece
Prior art date
Application number
CH227070A
Other languages
French (fr)
Inventor
Hammer Walter
Hermann Jean
Choffat Hubert
Vittoz Eric
Original Assignee
Centre Electron Horloger
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 Centre Electron Horloger filed Critical Centre Electron Horloger
Priority to CH227070D priority Critical patent/CH227070A4/xx
Priority to CH227070A priority patent/CH534913A/en
Publication of CH534913A publication Critical patent/CH534913A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • 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)
CH227070A 1970-02-17 1970-02-17 Timepiece CH534913A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH227070D CH227070A4 (en) 1970-02-17 1970-02-17
CH227070A CH534913A (en) 1970-02-17 1970-02-17 Timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH227070A CH534913A (en) 1970-02-17 1970-02-17 Timepiece

Publications (1)

Publication Number Publication Date
CH534913A true CH534913A (en) 1972-08-15

Family

ID=4229833

Family Applications (2)

Application Number Title Priority Date Filing Date
CH227070D CH227070A4 (en) 1970-02-17 1970-02-17
CH227070A CH534913A (en) 1970-02-17 1970-02-17 Timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH227070D CH227070A4 (en) 1970-02-17 1970-02-17

Country Status (1)

Country Link
CH (2) CH227070A4 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953470A (en) * 1972-09-22 1974-05-24
JPS508564A (en) * 1973-05-21 1975-01-29
DE2545823A1 (en) * 1974-10-14 1976-04-22 Centre Electron Horloger PROCEDURE FOR AUTOMATIC ADJUSTMENT OF AN ELECTRONIC CLOCK AND THE CLOCK FOR CARRYING OUT THE PROCEDURE
US4043109A (en) * 1973-01-11 1977-08-23 Kabushiki Kaisha Suwa Seikosha Electronic timepiece
DE2943303A1 (en) * 1978-11-24 1980-05-29 Ebauches Sa ELECTRONIC TIMING DEVICE
EP0052884A1 (en) * 1980-11-26 1982-06-02 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Timepiece comprising a division ratio adjustable divider chain
EP0069372A1 (en) * 1981-07-06 1983-01-12 OMEGA Louis Brandt & Frère S.A. Method of controlling the running rate of a timepiece and timepiece adapted to this method
US4775963A (en) * 1986-10-15 1988-10-04 ETA SA Fabriques d'Ebauches of Granges Analog watch having two motors and comprising means for perpetually indicating the day of the month
EP1748561A1 (en) 2005-07-25 2007-01-31 Jaquet Ingénieur Conseils Sàrl Temperature compensation process for a crystal time base

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953470A (en) * 1972-09-22 1974-05-24
JPS549912B2 (en) * 1972-09-22 1979-04-28
US4043109A (en) * 1973-01-11 1977-08-23 Kabushiki Kaisha Suwa Seikosha Electronic timepiece
JPS508564A (en) * 1973-05-21 1975-01-29
DE2545823A1 (en) * 1974-10-14 1976-04-22 Centre Electron Horloger PROCEDURE FOR AUTOMATIC ADJUSTMENT OF AN ELECTRONIC CLOCK AND THE CLOCK FOR CARRYING OUT THE PROCEDURE
DE2943303A1 (en) * 1978-11-24 1980-05-29 Ebauches Sa ELECTRONIC TIMING DEVICE
EP0052884A1 (en) * 1980-11-26 1982-06-02 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Timepiece comprising a division ratio adjustable divider chain
EP0069372A1 (en) * 1981-07-06 1983-01-12 OMEGA Louis Brandt & Frère S.A. Method of controlling the running rate of a timepiece and timepiece adapted to this method
US4775963A (en) * 1986-10-15 1988-10-04 ETA SA Fabriques d'Ebauches of Granges Analog watch having two motors and comprising means for perpetually indicating the day of the month
EP1748561A1 (en) 2005-07-25 2007-01-31 Jaquet Ingénieur Conseils Sàrl Temperature compensation process for a crystal time base

Also Published As

Publication number Publication date
CH227070A4 (en) 1972-08-15

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