CH142467A4 - - Google Patents

Info

Publication number
CH142467A4
CH142467A4 CH142467DD CH142467A4 CH 142467 A4 CH142467 A4 CH 142467A4 CH 142467D D CH142467D D CH 142467DD CH 142467 A4 CH142467 A4 CH 142467A4
Authority
CH
Switzerland
Application number
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 CH142467A4 publication Critical patent/CH142467A4/xx

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08Electromechanical 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
    • G04C3/10Electromechanical 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
    • G04C3/108Driving circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Amplifiers (AREA)
CH142467D 1967-01-31 1967-01-31 CH142467A4 (en:Method)

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
CH142467A4 true CH142467A4 (en:Method) 1970-04-30

Family

ID=4210125

Family Applications (2)

Application Number Title Priority Date Filing Date
CH142467D CH142467A4 (en:Method) 1967-01-31 1967-01-31
CH142467A CH496275A (fr) 1967-01-31 1967-01-31 Oscillateur électromécanique pour appareil horaire

Family Applications After (1)

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

Country Status (10)

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

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 (en:Method) * 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
CH496275A (fr) 1970-04-30
DE1673732A1 (de) 1971-01-28
BE709753A (en:Method) 1968-05-30
FR1570494A (en:Method) 1969-06-13
AT278664B (de) 1970-02-10
GB1197644A (en) 1970-07-08
DE1673732B2 (de) 1972-07-13
JPS4939298B1 (en:Method) 1974-10-24
US3504301A (en) 1970-03-31
SE341418B (en:Method) 1971-12-27
NL6801366A (en:Method) 1968-08-01

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