FR1481356A - Chronomètre électronique - Google Patents

Chronomètre électronique

Info

Publication number
FR1481356A
FR1481356A FR62963A FR62963A FR1481356A FR 1481356 A FR1481356 A FR 1481356A FR 62963 A FR62963 A FR 62963A FR 62963 A FR62963 A FR 62963A FR 1481356 A FR1481356 A FR 1481356A
Authority
FR
France
Prior art keywords
electronic stopwatch
stopwatch
electronic
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
FR62963A
Other languages
English (en)
Inventor
Shigeru Kakubari
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
Priority to FR62963A priority Critical patent/FR1481356A/fr
Application granted granted Critical
Publication of FR1481356A publication Critical patent/FR1481356A/fr
Expired legal-status Critical Current

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
    • G04C3/04—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR62963A 1966-05-25 1966-05-25 Chronomètre électronique Expired FR1481356A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR62963A FR1481356A (fr) 1966-05-25 1966-05-25 Chronomètre électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62963A FR1481356A (fr) 1966-05-25 1966-05-25 Chronomètre électronique

Publications (1)

Publication Number Publication Date
FR1481356A true FR1481356A (fr) 1967-05-19

Family

ID=8609436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62963A Expired FR1481356A (fr) 1966-05-25 1966-05-25 Chronomètre électronique

Country Status (1)

Country Link
FR (1) FR1481356A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220923A1 (en) * 1974-05-07 1974-10-04 Bicosa Recherches Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220923A1 (en) * 1974-05-07 1974-10-04 Bicosa Recherches Time measurement clocks or watches - uses determined freq. periodic signal generator and D.C. supply source

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