CH574637B5 - - Google Patents

Info

Publication number
CH574637B5
CH574637B5 CH456972A CH456972A CH574637B5 CH 574637 B5 CH574637 B5 CH 574637B5 CH 456972 A CH456972 A CH 456972A CH 456972 A CH456972 A CH 456972A CH 574637 B5 CH574637 B5 CH 574637B5
Authority
CH
Switzerland
Application number
CH456972A
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH456972A priority Critical patent/CH574637B5/xx
Priority to CH456972D priority patent/CH456972A4/xx
Priority to DE2312140A priority patent/DE2312140A1/en
Priority to FR7309279A priority patent/FR2177813B1/fr
Priority to GB1205873A priority patent/GB1418749A/en
Priority to IT21923/73A priority patent/IT981520B/en
Priority to JP3496873A priority patent/JPS5319220B2/ja
Priority to US00345687A priority patent/US3844106A/en
Publication of CH574637B5 publication Critical patent/CH574637B5/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electronic Switches (AREA)
CH456972A 1972-03-28 1972-03-28 CH574637B5 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH456972A CH574637B5 (en) 1972-03-28 1972-03-28
CH456972D CH456972A4 (en) 1972-03-28 1972-03-28
DE2312140A DE2312140A1 (en) 1972-03-28 1973-03-12 DEVICE FOR MAINTAINING THE UNSTILL VIBRATIONS IN A WATCH
FR7309279A FR2177813B1 (en) 1972-03-28 1973-03-13
GB1205873A GB1418749A (en) 1972-03-28 1973-03-13 Electronic drive circuit for maintenance of the oscillations of a balance wheel
IT21923/73A IT981520B (en) 1972-03-28 1973-03-21 DEVICE FOR THE MAINTENANCE OF THE BALANCER SWINGS IN A CLOCK
JP3496873A JPS5319220B2 (en) 1972-03-28 1973-03-27
US00345687A US3844106A (en) 1972-03-28 1973-03-28 Electronic device for maintenance of the oscillations of a balance wheel

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
CH574637B5 true CH574637B5 (en) 1976-04-15

Family

ID=4278532

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (7)

Country Link
US (1) US3844106A (en)
JP (1) JPS5319220B2 (en)
CH (2) CH456972A4 (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
JPS499278A (en) 1974-01-26
CH456972A4 (en) 1975-11-14
GB1418749A (en) 1975-12-24
US3844106A (en) 1974-10-29
DE2312140A1 (en) 1973-10-11
FR2177813A1 (en) 1973-11-09
FR2177813B1 (en) 1975-10-31
JPS5319220B2 (en) 1978-06-20
IT981520B (en) 1974-10-10

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Legal Events

Date Code Title Description
PL Patent ceased