CH412070A4 - - Google Patents

Info

Publication number
CH412070A4
CH412070A4 CH412070DD CH412070A4 CH 412070 A4 CH412070 A4 CH 412070A4 CH 412070D D CH412070D D CH 412070DD CH 412070 A4 CH412070 A4 CH 412070A4
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 CH412070A4 publication Critical patent/CH412070A4/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
    • 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
    • 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
    • G04C3/104—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 of the pawl or the ratched-wheel
    • G04C3/105—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 of the pawl or the ratched-wheel pawl and ratched-wheel being magnetically coupled

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnets (AREA)
  • Electromechanical Clocks (AREA)
  • Microwave Tubes (AREA)
CH412070D 1969-04-29 1970-03-18 CH412070A4 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691921795 DE1921795A1 (de) 1969-04-29 1969-04-29 Stimmgabelantrieb fuer Uhren

Publications (1)

Publication Number Publication Date
CH412070A4 true CH412070A4 (enrdf_load_stackoverflow) 1971-03-31

Family

ID=5732745

Family Applications (2)

Application Number Title Priority Date Filing Date
CH412070A CH513444A (de) 1969-04-29 1970-03-18 Stimmgabelantrieb für Uhren
CH412070D CH412070A4 (enrdf_load_stackoverflow) 1969-04-29 1970-03-18

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH412070A CH513444A (de) 1969-04-29 1970-03-18 Stimmgabelantrieb für Uhren

Country Status (5)

Country Link
US (1) US3638416A (enrdf_load_stackoverflow)
CH (2) CH513444A (enrdf_load_stackoverflow)
DE (1) DE1921795A1 (enrdf_load_stackoverflow)
FR (1) FR2040350B1 (enrdf_load_stackoverflow)
GB (1) GB1248179A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5538090B2 (ja) * 2010-06-23 2014-07-02 株式会社ジャパンディスプレイ ガラスカッター

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA704477A (en) * 1965-02-23 Nomura Yasuo Tuning fork clock
US2743614A (en) * 1950-07-15 1956-05-01 Clifford Cecil Frank Mechanical oscillators
FR1044830A (fr) * 1950-07-15 1953-11-20 Horstmann Magnetics Ltd Oscillateur mécanique et mécanisme d'échappement magnétique comportant cet oscillateur
CH405171A (fr) * 1962-08-11 1965-09-15 Lavet Marius Jean Appareil horaire et procédé de fabrication de cet appareil
FR1395583A (fr) * 1963-10-17 1965-04-16 Perfectionnements aux petits appareils magnétoélectriques régularises par les combinaisons d'organes vibrants
US3338047A (en) * 1965-10-18 1967-08-29 Gen Time Corp Frequency regulator for tuning fork drive system

Also Published As

Publication number Publication date
CH513444A (de) 1971-03-31
US3638416A (en) 1972-02-01
FR2040350A1 (enrdf_load_stackoverflow) 1971-01-22
GB1248179A (en) 1971-09-29
FR2040350B1 (enrdf_load_stackoverflow) 1974-07-12
DE1921795A1 (de) 1970-12-03

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