CH541831A - Electronic clockwork - Google Patents

Electronic clockwork

Info

Publication number
CH541831A
CH541831A CH1137171A CH1137171A CH541831A CH 541831 A CH541831 A CH 541831A CH 1137171 A CH1137171 A CH 1137171A CH 1137171 A CH1137171 A CH 1137171A CH 541831 A CH541831 A CH 541831A
Authority
CH
Switzerland
Prior art keywords
electronic clockwork
clockwork
electronic
Prior art date
Application number
CH1137171A
Other languages
German (de)
Inventor
Wilson Mutter William
Original Assignee
Bulova Watch Co 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 Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Publication of CH541831A publication Critical patent/CH541831A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
CH1137171A 1970-08-03 1971-08-03 Electronic clockwork CH541831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6027170A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
CH541831A true CH541831A (en) 1973-05-30

Family

ID=22028459

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1137171D CH1137171A4 (en) 1970-08-03 1971-08-03
CH1137171A CH541831A (en) 1970-08-03 1971-08-03 Electronic clockwork

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1137171D CH1137171A4 (en) 1970-08-03 1971-08-03

Country Status (5)

Country Link
US (1) US3672153A (en)
CH (2) CH1137171A4 (en)
DE (1) DE2138878C3 (en)
FR (1) FR2101203B1 (en)
GB (1) GB1337814A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748845A (en) * 1971-12-02 1973-07-31 Bulova Watch Co Inc Electronic system module for crystal-controlled watch
US4043113A (en) * 1976-03-25 1977-08-23 Hughes Aircraft Company Electric watch battery retainer
DE602006005058D1 (en) * 2006-11-13 2009-03-19 Eta Sa Mft Horlogere Suisse A drive module comprising a MEMS micromotor, method of making this module, and clock equipped with this module
EP1921522B1 (en) 2006-11-13 2010-07-21 ETA SA Manufacture Horlogère Suisse Arrangement for mechanical interface of an MEMS micromotor with a clock wheel and time piece incorporating this arrangement
DE602006019612D1 (en) 2006-11-13 2011-02-24 Eta Sa Mft Horlogere Suisse MEMS micromotor and clock equipped with this micromotor
US8461969B2 (en) * 2009-06-02 2013-06-11 Lg Innotek Co., Ltd. Dual mode vibrator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH444766A (en) * 1965-09-27 1968-02-29 Centre Electron Horloger Device for fixing a battery in a watch
US3469389A (en) * 1965-12-30 1969-09-30 Citizen Watch Co Ltd Electromechanical vibrator assembly for a timepiece

Also Published As

Publication number Publication date
DE2138878A1 (en) 1972-02-10
FR2101203B1 (en) 1974-03-29
DE2138878B2 (en) 1977-08-11
DE2138878C3 (en) 1978-04-06
GB1337814A (en) 1973-11-21
US3672153A (en) 1972-06-27
FR2101203A1 (en) 1972-03-31
CH1137171A4 (en) 1973-05-30

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