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FR1517282A - Improvements to motor devices for electric clock movements - Google Patents

Improvements to motor devices for electric clock movements

Info

Publication number
FR1517282A
FR1517282A FR100816A FR100816A FR1517282A FR 1517282 A FR1517282 A FR 1517282A FR 100816 A FR100816 A FR 100816A FR 100816 A FR100816 A FR 100816A FR 1517282 A FR1517282 A FR 1517282A
Authority
FR
France
Prior art keywords
electric clock
motor devices
clock movements
movements
motor
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
FR100816A
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.)
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
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 Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to FR100816A priority Critical patent/FR1517282A/en
Application granted granted Critical
Publication of FR1517282A publication Critical patent/FR1517282A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR100816A 1967-03-30 1967-03-30 Improvements to motor devices for electric clock movements Expired FR1517282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR100816A FR1517282A (en) 1967-03-30 1967-03-30 Improvements to motor devices for electric clock movements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR100816A FR1517282A (en) 1967-03-30 1967-03-30 Improvements to motor devices for electric clock movements

Publications (1)

Publication Number Publication Date
FR1517282A true FR1517282A (en) 1968-03-15

Family

ID=8627821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR100816A Expired FR1517282A (en) 1967-03-30 1967-03-30 Improvements to motor devices for electric clock movements

Country Status (1)

Country Link
FR (1) FR1517282A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491531A (en) * 1968-05-03 1970-01-27 Us Time Corp The Impulse means for a horological oscillator
FR2058363A1 (en) * 1969-08-18 1971-05-28 Citizen Watch Co Ltd

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491531A (en) * 1968-05-03 1970-01-27 Us Time Corp The Impulse means for a horological oscillator
FR2058363A1 (en) * 1969-08-18 1971-05-28 Citizen Watch Co Ltd

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