CH456972A4 - - Google Patents

Info

Publication number
CH456972A4
CH456972A4 CH456972D CH456972D CH456972A4 CH 456972 A4 CH456972 A4 CH 456972A4 CH 456972 D CH456972 D CH 456972D CH 456972 D CH456972 D CH 456972D CH 456972 A4 CH456972 A4 CH 456972A4
Authority
CH
Switzerland
Application number
CH456972D
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 filed Critical
Publication of CH456972A4 publication Critical patent/CH456972A4/xx

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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/069—Driving circuits using a single coil for detection and driving purposes
CH456972D 1972-03-28 1972-03-28 CH456972A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH456972A CH574637B5 (en) 1972-03-28 1972-03-28

Publications (1)

Publication Number Publication Date
CH456972A4 true CH456972A4 (en) 1975-11-14

Family

ID=4278532

Family Applications (2)

Application Number Title Priority Date Filing Date
CH456972A CH574637B5 (en) 1972-03-28 1972-03-28
CH456972D CH456972A4 (en) 1972-03-28 1972-03-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH456972A CH574637B5 (en) 1972-03-28 1972-03-28

Country Status (7)

Country Link
US (1) US3844106A (en)
JP (1) JPS5319220B2 (en)
CH (2) CH574637B5 (en)
DE (1) DE2312140A1 (en)
FR (1) FR2177813B1 (en)
GB (1) GB1418749A (en)
IT (1) IT981520B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106280A (en) * 1975-03-27 1978-08-15 Hansrichard Schulz Method and apparatus for synchronizing a mechanical oscillating system to the accuracy of a quartz standard
JPS57188172U (en) * 1981-05-25 1982-11-29
JPS63217288A (en) * 1987-03-06 1988-09-09 Seikosha Co Ltd Electromagnetic driving circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673776A1 (en) * 1967-04-19 1971-02-25 Siemens Ag Circuit arrangement for contactless control of a mechanical oscillator
DE2036330C3 (en) * 1970-07-22 1974-05-02 Deutsche Itt Industries Gmbh, 7800 Freiburg Method and circuit arrangement for automatic amplitude control of electromechanical oscillators
DE2102025B1 (en) * 1971-01-16 1972-07-13 Deutsche Itt Industries Gmbh Astable milivibrator with two complementary transistors

Also Published As

Publication number Publication date
CH574637B5 (en) 1976-04-15
JPS5319220B2 (en) 1978-06-20
GB1418749A (en) 1975-12-24
DE2312140A1 (en) 1973-10-11
JPS499278A (en) 1974-01-26
FR2177813B1 (en) 1975-10-31
IT981520B (en) 1974-10-10
US3844106A (en) 1974-10-29
FR2177813A1 (en) 1973-11-09

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Legal Events

Date Code Title Description
PL Patent ceased