CH567297A - - Google Patents

Info

Publication number
CH567297A
CH567297A CH378770A CH378770A CH567297A CH 567297 A CH567297 A CH 567297A CH 378770 A CH378770 A CH 378770A CH 378770 A CH378770 A CH 378770A CH 567297 A CH567297 A CH 567297A
Authority
CH
Switzerland
Application number
CH378770A
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
Publication of CH567297A publication Critical patent/CH567297A/xx

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)
  • Electric Clocks (AREA)
CH378770A 1969-03-14 1970-03-13 CH567297A (zh:)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1969022326U JPS5044130Y1 (zh:) 1969-03-14 1969-03-14

Publications (1)

Publication Number Publication Date
CH567297A true CH567297A (zh:) 1975-09-30

Family

ID=12079571

Family Applications (2)

Application Number Title Priority Date Filing Date
CH378770D CH378770A4 (zh:) 1969-03-14 1970-03-13
CH378770A CH567297A (zh:) 1969-03-14 1970-03-13

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH378770D CH378770A4 (zh:) 1969-03-14 1970-03-13

Country Status (3)

Country Link
US (1) US3613350A (zh:)
JP (1) JPS5044130Y1 (zh:)
CH (2) CH378770A4 (zh:)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH524167A (fr) * 1970-09-29 1972-02-29 Centre Electron Horloger Pièce d'horlogerie électrique à résonateur de torsion

Also Published As

Publication number Publication date
US3613350A (en) 1971-10-19
CH378770A4 (zh:) 1975-04-15
JPS5044130Y1 (zh:) 1975-12-16

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Legal Events

Date Code Title Description
PL Patent ceased