CH342171A - Electric clock - Google Patents

Electric 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
electric clock
clock
electric
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
Publication of CH342171A publication Critical patent/CH342171A/en

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
    • 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
    • G04C3/108—Driving circuits
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1553—Lever actuator
    • Y10T74/1555—Rotary driven element
CH342171D 1955-05-12 1955-05-12 Electric clock CH342171A (en)

Applications Claiming Priority (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 Electric 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 (17)

* 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-keeping electrical device, in particular an electrical clock
DE1166101B (en) * 1958-06-14 1964-03-19 Durowe Deutsche Uhren Rohwerke Contactless controlled mechanical oscillator as a gear folder of a time-keeping device
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
CH371057A (en) * 1961-03-14 1963-04-11 Suisse Horlogerie Rech Lab Electronic timepiece
CH409791A (en) * 1964-02-18 1965-11-30 Centre Electron Horloger Electronic watch
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 Circuit arrangement for an electric clock with a mechanical bending oscillator
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 Device for converting the vibrations of a tuning fork into a progressive rotary motion
CH797368A4 (en) * 1968-05-29 1970-04-15
DE2419432C3 (en) * 1974-04-23 1985-05-09 Papst-Motoren GmbH & Co KG, 7742 St Georgen Brushless DC motor with a stator and a permanent magnet rotor
WO1982000879A1 (en) * 1979-02-12 1982-03-18 R Scholl Displacement transducer
WO2009002447A1 (en) 2007-06-21 2008-12-31 Gen-Probe Incorporated Instrument and receptacles for use in performing processes

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 Synchronous time device
FR1090564A (en) * 1953-09-17 1955-03-31 Hatot Leon Ets Improvements to time mechanisms and similar devices
FR1092411A (en) * 1953-10-21 1955-04-21 Hatot Leon Ets Improvements to electromagnetic time devices

Also Published As

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

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