JPS4939298B1 - - Google Patents

Info

Publication number
JPS4939298B1
JPS4939298B1 JP43005475A JP547568A JPS4939298B1 JP S4939298 B1 JPS4939298 B1 JP S4939298B1 JP 43005475 A JP43005475 A JP 43005475A JP 547568 A JP547568 A JP 547568A JP S4939298 B1 JPS4939298 B1 JP S4939298B1
Authority
JP
Japan
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.)
Pending
Application number
JP43005475A
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 JPS4939298B1 publication Critical patent/JPS4939298B1/ja
Pending 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
    • G04C3/08—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
    • G04C3/108—Driving circuits
    • 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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Amplifiers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
JP43005475A 1967-01-31 1968-01-31 Pending JPS4939298B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH142467A CH496275A (fr) 1967-01-31 1967-01-31 Oscillateur électromécanique pour appareil horaire

Publications (1)

Publication Number Publication Date
JPS4939298B1 true JPS4939298B1 (ja) 1974-10-24

Family

ID=4210125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43005475A Pending JPS4939298B1 (ja) 1967-01-31 1968-01-31

Country Status (10)

Country Link
US (1) US3504301A (ja)
JP (1) JPS4939298B1 (ja)
AT (1) AT278664B (ja)
BE (1) BE709753A (ja)
CH (2) CH142467A4 (ja)
DE (1) DE1673732B2 (ja)
FR (1) FR1570494A (ja)
GB (1) GB1197644A (ja)
NL (1) NL6801366A (ja)
SE (1) SE341418B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622850A (en) * 1968-10-24 1971-11-23 Shinji Nunokawa Electromagnetic driving device
CH517337A (fr) * 1969-12-02 1971-09-15 Omega Brandt & Freres Sa Louis Oscillateur électromécanique pour l'application au domaine de la mesure du temps
US3706098A (en) * 1970-10-23 1972-12-12 Erico Prod Inc Railway signal system
US3784930A (en) * 1972-07-06 1974-01-08 A Werner Amplitude stabilized oscillator
JPS4977371U (ja) * 1972-10-27 1974-07-04
US4240047A (en) * 1979-06-29 1980-12-16 United Technologies Corporation Mechanical resonator oscillator having redundant parallel drive circuits
US4825332A (en) * 1987-02-20 1989-04-25 Hiroshi Aoki Electromagnetic driving circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122997B (de) * 1960-04-06 1962-02-01 Hartmann & Braun Ag Schaltungsanordnung zur Stabilisierung der Amplitude von selbsterregten Schwingungserzeugern

Also Published As

Publication number Publication date
CH142467A4 (ja) 1970-04-30
SE341418B (ja) 1971-12-27
AT278664B (de) 1970-02-10
GB1197644A (en) 1970-07-08
NL6801366A (ja) 1968-08-01
CH496275A (fr) 1970-04-30
DE1673732B2 (de) 1972-07-13
DE1673732A1 (de) 1971-01-28
BE709753A (ja) 1968-05-30
US3504301A (en) 1970-03-31
FR1570494A (ja) 1969-06-13

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