FR2091540A5 - - Google Patents

Info

Publication number
FR2091540A5
FR2091540A5 FR7117269A FR7117269A FR2091540A5 FR 2091540 A5 FR2091540 A5 FR 2091540A5 FR 7117269 A FR7117269 A FR 7117269A FR 7117269 A FR7117269 A FR 7117269A FR 2091540 A5 FR2091540 A5 FR 2091540A5
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
FR7117269A
Other languages
French (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
Application granted granted Critical
Publication of FR2091540A5 publication Critical patent/FR2091540A5/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Dc-Dc Converters (AREA)
FR7117269A 1970-05-08 1971-05-06 Expired FR2091540A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH686970A CH528774A (fr) 1970-05-08 1970-05-08 Oscillateur électromagnétique pour pièce d'horlogerie

Publications (1)

Publication Number Publication Date
FR2091540A5 true FR2091540A5 (da) 1972-01-14

Family

ID=4316307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7117269A Expired FR2091540A5 (da) 1970-05-08 1971-05-06

Country Status (4)

Country Link
JP (1) JPS4930472B1 (da)
CH (2) CH686970A4 (da)
FR (1) FR2091540A5 (da)
GB (1) GB1306209A (da)

Also Published As

Publication number Publication date
GB1306209A (da) 1973-02-07
CH686970A4 (da) 1972-06-15
CH528774A (fr) 1972-06-15
JPS4930472B1 (da) 1974-08-13
DE2123020B2 (de) 1972-11-09
DE2123020A1 (de) 1971-11-25

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Legal Events

Date Code Title Description
ST Notification of lapse