FR2177813B1 - - Google Patents

Info

Publication number
FR2177813B1
FR2177813B1 FR7309279A FR7309279A FR2177813B1 FR 2177813 B1 FR2177813 B1 FR 2177813B1 FR 7309279 A FR7309279 A FR 7309279A FR 7309279 A FR7309279 A FR 7309279A FR 2177813 B1 FR2177813 B1 FR 2177813B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7309279A
Other versions
FR2177813A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebauches SA
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
Publication of FR2177813A1 publication Critical patent/FR2177813A1/fr
Application granted granted Critical
Publication of FR2177813B1 publication Critical patent/FR2177813B1/fr
Expired legal-status Critical Current

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)
FR7309279A 1972-03-28 1973-03-13 Expired FR2177813B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2177813A1 FR2177813A1 (fr) 1973-11-09
FR2177813B1 true FR2177813B1 (fr) 1975-10-31

Family

ID=4278532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309279A Expired FR2177813B1 (fr) 1972-03-28 1973-03-13

Country Status (7)

Country Link
US (1) US3844106A (fr)
JP (1) JPS5319220B2 (fr)
CH (2) CH456972A4 (fr)
DE (1) DE2312140A1 (fr)
FR (1) FR2177813B1 (fr)
GB (1) GB1418749A (fr)
IT (1) IT981520B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1056166A (fr) * 1975-03-27 1979-06-12 Jauch, Heinz Methode et appareil pour la synchronisation d'un systeme mecanique oscillant avec un etalon precis a quartz
JPS57188172U (fr) * 1981-05-25 1982-11-29
JPS63217288A (ja) * 1987-03-06 1988-09-09 Seikosha Co Ltd 電磁駆動回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673776A1 (de) * 1967-04-19 1971-02-25 Siemens Ag Schaltungsanordnung zur kontaktlosen Steuerung eines mechanischen Schwingers
DE2036330C3 (de) * 1970-07-22 1974-05-02 Deutsche Itt Industries Gmbh, 7800 Freiburg Verfahren und Schaltungsanordnung zur automatischen Amplitudenregelung von elektromechanischen Schwingern
DE2102025B1 (de) * 1971-01-16 1972-07-13 Deutsche Itt Industries Gmbh Astabiler Miltivibrator mit zwei zueinander komplementären Transistoren

Also Published As

Publication number Publication date
FR2177813A1 (fr) 1973-11-09
JPS5319220B2 (fr) 1978-06-20
DE2312140A1 (de) 1973-10-11
IT981520B (it) 1974-10-10
CH456972A4 (fr) 1975-11-14
CH574637B5 (fr) 1976-04-15
GB1418749A (en) 1975-12-24
US3844106A (en) 1974-10-29
JPS499278A (fr) 1974-01-26

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Legal Events

Date Code Title Description
ST Notification of lapse