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 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH308361A CH371057A (en) 1961-03-14 1961-03-14 Electronic timepiece

Publications (1)

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

Family

ID=4248243

Family Applications (2)

Application Number Title Priority Date Filing Date
CH308361D CH308361A4 (en) 1961-03-14 1961-03-14
CH308361A CH371057A (en) 1961-03-14 1961-03-14 Electronic timepiece

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH308361A CH371057A (en) 1961-03-14 1961-03-14 Electronic timepiece

Country Status (2)

Country Link
US (1) US3176171A (en)
CH (2) CH308361A4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH414472A (en) * 1961-05-24 1966-01-31 Movado Montres Timepiece comprising a mechanical oscillator
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 (en) * 1968-11-23 1973-12-13 Kienzle Uhrenfabriken Gmbh, 7220 Schwenningen Device for adjusting the oscillation amplitude of a directly driven mechanical oscillation system

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 (en) * 1954-11-25 1958-06-26 Philips Nv Transistor amplifier with operating point stabilization
CA583728A (en) * 1955-05-12 1959-09-22 Bulova Watch Company Electrical timepiece

Also Published As

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

Similar Documents

Publication Publication Date Title
CH308261A4 (en)
CH594761A4 (en)
BE626307A (en)
BE624515A (en)
BE623075A (en)
BE622013A (en)
BE621134A (en)
BE620961A (en)
BE620461A (en)
BE615883A (en)
BE613216A (en)
BE602240A (en)
BE602153A (en)
BE602045A (en)
BE601970A (en)
BE601847A (en)
BE601846A (en)
BE601844A (en)
BE601744A (en)
BE601679A (en)
BE601532A (en)
BE601488A (en)
BE601466A (en)
BE601415A (en)
BE601393A (en)