CH342171A - electrical clock - Google Patents

electrical clock

Info

Publication number
CH342171A
CH342171A CH342171DA CH342171A CH 342171 A CH342171 A CH 342171A CH 342171D A CH342171D A CH 342171DA CH 342171 A CH342171 A CH 342171A
Authority
CH
Switzerland
Prior art keywords
electrical clock
clock
electrical
Prior art date
Application number
Other languages
German (de)
Original Assignee
Bulova Watch Co Inc
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 by Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Priority to CH840086X priority Critical
Publication of CH342171A publication Critical patent/CH342171A/en

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
    • 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
    • G04C3/101Electromechanical 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
    • 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
    • G04C3/101Electromechanical 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
    • G04C3/107Controlling frequency or amplitude of the oscillating system
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/15Intermittent grip type mechanical movement
    • Y10T74/1526Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1553Lever actuator
    • Y10T74/1555Rotary driven element
CH342171D 1955-05-12 1955-05-12 electrical clock CH342171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH840086X 1955-05-12

Publications (1)

Publication Number Publication Date
CH342171A true CH342171A (en) 1959-10-31

Family

ID=4541157

Family Applications (1)

Application Number Title Priority Date Filing Date
CH342171D CH342171A (en) 1955-05-12 1955-05-12 electrical clock

Country Status (7)

Country Link
US (1) US2960817A (en)
CA (1) CA583728A (en)
CH (1) CH342171A (en)
DE (1) DE1095747B (en)
FR (1) FR1153306A (en)
GB (1) GB840086A (en)
IT (1) IT552682A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118383A (en) * 1964-01-21 Electromagnetically actuated device with feedback control
US3124730A (en) * 1964-03-10 Thoma
US3118098A (en) * 1957-06-07 1964-01-14 Jahresuhren Fabrik G M B H Oscillating drive electromagnetic motor system
DE1087528B (en) * 1958-01-10 1960-08-18 Reich Robert W Time Low key electrical Geraet, especially electric clock
DE1166101B (en) * 1958-06-14 1964-03-19 Durowe Deutsche Uhren Rohwerke Contactlessly controlled mechanical oscillator as transition folder of a timekeeping Geraets
US3079748A (en) * 1960-06-27 1963-03-05 Sylvania Electric Prod Illuminated electronic time piece
US3132522A (en) * 1960-12-06 1964-05-12 Gen Precision Inc Rotary speed regulator
CH308361A4 (en) * 1961-03-14 1963-04-11
CH196664A4 (en) * 1964-02-18 1965-11-30
US3292064A (en) * 1964-03-16 1966-12-13 Gen Electric Frequency regulated chronometer
DE1548062C3 (en) * 1964-06-03 1975-12-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart
US3338047A (en) * 1965-10-18 1967-08-29 Gen Time Corp Frequency regulator for tuning fork drive system
DE1287519B (en) * 1966-04-22 1969-01-16 Kienzle Uhrenfabriken Gmbh Means for converting the vibrations of a tuning fork in a progressive rotational movement
CH494991A (en) * 1968-05-29 1970-04-15 Bulova Watch Co Inc Elastic oscillators for timing devices
DE2419432C3 (en) * 1974-04-23 1985-05-09 Papst-Motoren Gmbh & Co Kg, 7742 St Georgen, De
US4205451A (en) * 1979-02-12 1980-06-03 Caterpillar Tractor Co. Displacement transducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR767359A (en) * 1933-04-10 1934-07-17 Apparatus synchronous schedule
FR1090564A (en) * 1953-09-17 1955-03-31 Hatot Leon Ets Improvements to schedules mechanisms and similar apparatus
FR1092411A (en) * 1953-10-21 1955-04-21 Hatot Leon Ets Improvements to electromagnetic timepieces

Also Published As

Publication number Publication date
IT552682A (en)
FR1153306A (en) 1958-03-05
CA583728A (en) 1959-09-22
GB840086A (en) 1960-07-06
US2960817A (en) 1960-11-22
DE1095747B (en) 1960-12-22

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