FR1461286A - Electrical circuit for time measuring instruments - Google Patents

Electrical circuit for time measuring instruments

Info

Publication number
FR1461286A
FR1461286A FR43633A FR43633A FR1461286A FR 1461286 A FR1461286 A FR 1461286A FR 43633 A FR43633 A FR 43633A FR 43633 A FR43633 A FR 43633A FR 1461286 A FR1461286 A FR 1461286A
Authority
FR
France
Prior art keywords
electrical circuit
time measuring
measuring instruments
instruments
time
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR43633A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United States Time Corp
Original Assignee
United States Time Corp
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 United States Time Corp filed Critical United States Time Corp
Application granted granted Critical
Publication of FR1461286A publication Critical patent/FR1461286A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • 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
    • G04C3/02—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 pendulum
    • G04C3/027—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 pendulum using electromagnetic coupling between electric power source and pendulum
    • G04C3/0278—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 pendulum using electromagnetic coupling between electric power source and pendulum the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits
    • 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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/069—Driving circuits using a single coil for detection and driving purposes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR43633A 1965-01-02 1965-12-24 Electrical circuit for time measuring instruments Expired FR1461286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEU11336A DE1244069B (en) 1965-01-02 1965-01-02 Drive circuit for time-keeping devices

Publications (1)

Publication Number Publication Date
FR1461286A true FR1461286A (en) 1966-12-10

Family

ID=7567597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43633A Expired FR1461286A (en) 1965-01-02 1965-12-24 Electrical circuit for time measuring instruments

Country Status (6)

Country Link
US (1) US3403312A (en)
JP (1) JPS4811918B1 (en)
CH (1) CH539875A (en)
DE (1) DE1244069B (en)
FR (1) FR1461286A (en)
GB (1) GB1128050A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496391A (en) * 1967-12-07 1970-02-17 Clarence Hunter Mcshan Resonant device
US3539888A (en) * 1968-07-24 1970-11-10 Aeroprojects Inc Automatic frequency control circuit for use with ultrasonic systems
GB1274126A (en) * 1969-03-28 1972-05-10 Hattori Tokeiten Kk Driving circuits for driving moveable elements particularly for motors or timepieces
DE1963259C3 (en) * 1969-12-17 1978-04-27 Franz Hermle & Sohn, Uhrenfabrik, 7209 Gosheim Permanent magnet dynamically driven movement for electronically controlled pendulum clocks
US3762155A (en) * 1971-12-23 1973-10-02 Gen Electric Simulated pendulum clock
US3762154A (en) * 1971-12-23 1973-10-02 Gen Electric Simulate pendulum clock
JPS5922177U (en) * 1982-07-30 1984-02-10 株式会社タカラ pop-up 3D game board
US4728871A (en) * 1985-11-01 1988-03-01 Andrews Roger W Novelty electric motor
US7315786B2 (en) * 1998-10-16 2008-01-01 Xencor Protein design automation for protein libraries

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124731A (en) * 1964-03-10 Electronic time pieces
US2909732A (en) * 1954-11-06 1959-10-20 Philips Corp Device for maintaining mechanical oscillations
US3100278A (en) * 1958-01-10 1963-08-06 Reich Robert Walter Electromagnetic pendulum drive
ES249816A1 (en) * 1958-06-14 1960-07-16 Durowe A G IMPROVEMENTS MADE IN THE TIMING MECHANICAL OSCILLATING ORGANS
DE1166705B (en) * 1958-09-03 1964-03-26 Durowe Deutsche Uhren Rohwerke Contactless mechanical oscillator controlled by electronic means as a gear folder of a time-keeping electrical device
US3061796A (en) * 1958-09-03 1962-10-30 Durowe A G Electric drive device for driving a mechanical oscillatory system
CH382664A (en) * 1960-04-28 1964-06-15 Suisse Horlogerie Electromagnetic maintenance device for the oscillating movement of the regulating organ of a timepiece
US3131362A (en) * 1960-05-31 1964-04-28 Ibm Balanced transistor multivibrator
US3238431A (en) * 1965-01-25 1966-03-01 Omega Brandt & Freres Sa Louis Oscillating resonator for a timepiece with synchronized driving oscillator

Also Published As

Publication number Publication date
CH539875A (en) 1973-09-14
GB1128050A (en) 1968-09-25
CH1724165A4 (en) 1968-04-11
US3403312A (en) 1968-09-24
DE1244069B (en) 1967-07-06
JPS4811918B1 (en) 1973-04-17

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