FR1315380A - Pièce d'horlogerie électrique - Google Patents

Pièce d'horlogerie électrique

Info

Publication number
FR1315380A
FR1315380A FR888254A FR888254A FR1315380A FR 1315380 A FR1315380 A FR 1315380A FR 888254 A FR888254 A FR 888254A FR 888254 A FR888254 A FR 888254A FR 1315380 A FR1315380 A FR 1315380A
Authority
FR
France
Prior art keywords
electric timepiece
timepiece
electric
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
FR888254A
Other languages
English (en)
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.)
Seiko Instruments Inc
Suwa Seikosha KK
Original Assignee
Seiko Instruments Inc
Suwa Seikosha KK
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 Seiko Instruments Inc, Suwa Seikosha KK filed Critical Seiko Instruments Inc
Priority to FR888254A priority Critical patent/FR1315380A/fr
Application granted granted Critical
Publication of FR1315380A publication Critical patent/FR1315380A/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
    • G04C3/08—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
    • G04C3/12—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 piezoelectric means; driven by magneto-strictive means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR888254A 1962-02-16 1962-02-16 Pièce d'horlogerie électrique Expired FR1315380A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR888254A FR1315380A (fr) 1962-02-16 1962-02-16 Pièce d'horlogerie électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR888254A FR1315380A (fr) 1962-02-16 1962-02-16 Pièce d'horlogerie électrique

Publications (1)

Publication Number Publication Date
FR1315380A true FR1315380A (fr) 1963-01-18

Family

ID=8772853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888254A Expired FR1315380A (fr) 1962-02-16 1962-02-16 Pièce d'horlogerie électrique

Country Status (1)

Country Link
FR (1) FR1315380A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322016A (en) * 1963-06-24 1967-05-30 Jeco Kk Added mass type circular tuning fork

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322016A (en) * 1963-06-24 1967-05-30 Jeco Kk Added mass type circular tuning fork

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