CH308361A4 - - Google Patents

Info

Publication number
CH308361A4
CH308361A4 CH308361D CH308361D CH308361A4 CH 308361 A4 CH308361 A4 CH 308361A4 CH 308361 D CH308361 D CH 308361D CH 308361 D CH308361 D CH 308361D CH 308361 A4 CH308361 A4 CH 308361A4
Authority
CH
Switzerland
Application number
CH308361D
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 CH308361A4 publication Critical patent/CH308361A4/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
    • G04C3/08—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
    • 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
    • G04C3/101—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 constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
CH308361D 1961-03-14 1961-03-14 CH308361A4 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH308361A CH371057A (fr) 1961-03-14 1961-03-14 Pièce d'horlogerie électronique

Publications (1)

Publication Number Publication Date
CH308361A4 true CH308361A4 (enrdf_load_html_response) 1963-04-11

Family

ID=4248243

Family Applications (2)

Application Number Title Priority Date Filing Date
CH308361A CH371057A (fr) 1961-03-14 1961-03-14 Pièce d'horlogerie électronique
CH308361D CH308361A4 (enrdf_load_html_response) 1961-03-14 1961-03-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH308361A CH371057A (fr) 1961-03-14 1961-03-14 Pièce d'horlogerie électronique

Country Status (2)

Country Link
US (1) US3176171A (enrdf_load_html_response)
CH (2) CH371057A (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH414472A (fr) * 1961-05-24 1966-01-31 Movado Montres Pièce d'horlogerie comprenant un oscillateur mécanique
US3454799A (en) * 1966-01-21 1969-07-08 Gen Electric Torsion wire tension spring for battery operated clock
US3432696A (en) * 1967-05-18 1969-03-11 Gen Electric Torsion wire tension spring for a battery-operated clock
DE1810523C3 (de) * 1968-11-23 1973-12-13 Kienzle Uhrenfabriken Gmbh, 7220 Schwenningen Vorrichtung zum Einstellen der Schwingungsamplitude eines direkt ange triebenen mechanischen Schwingsystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1541138A (en) * 1922-03-15 1925-06-09 Harje August Bengtsson Electric clock
US2079421A (en) * 1934-08-29 1937-05-04 Ingraham E Co Vibratory synchronous electric motor
US2843742A (en) * 1954-11-06 1958-07-15 Philips Corp Device for maintaining mechanical oscillations
DE1032788B (de) * 1954-11-25 1958-06-26 Philips Nv Transistorverstaerker mit Arbeitspunktstabilisierung
CA583728A (en) * 1955-05-12 1959-09-22 Bulova Watch Company Electrical timepiece

Also Published As

Publication number Publication date
US3176171A (en) 1965-03-30
CH371057A (fr) 1963-04-11

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