JPS4943989B1 - - Google Patents

Info

Publication number
JPS4943989B1
JPS4943989B1 JP43050764A JP5076468A JPS4943989B1 JP S4943989 B1 JPS4943989 B1 JP S4943989B1 JP 43050764 A JP43050764 A JP 43050764A JP 5076468 A JP5076468 A JP 5076468A JP S4943989 B1 JPS4943989 B1 JP S4943989B1
Authority
JP
Japan
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.)
Pending
Application number
JP43050764A
Other languages
Japanese (ja)
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 JP43050764A priority Critical patent/JPS4943989B1/ja
Priority to US842278A priority patent/US3648453A/en
Priority to CH1103669A priority patent/CH528770A/fr
Priority to CH1103669D priority patent/CH1103669A4/xx
Publication of JPS4943989B1 publication Critical patent/JPS4943989B1/ja
Pending 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
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
JP43050764A 1968-07-19 1968-07-19 Pending JPS4943989B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP43050764A JPS4943989B1 (fr) 1968-07-19 1968-07-19
US842278A US3648453A (en) 1968-07-19 1969-07-16 Electric timepiece
CH1103669A CH528770A (fr) 1968-07-19 1969-07-18 Pièce d'horlogerie électrique
CH1103669D CH1103669A4 (fr) 1968-07-19 1969-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43050764A JPS4943989B1 (fr) 1968-07-19 1968-07-19

Publications (1)

Publication Number Publication Date
JPS4943989B1 true JPS4943989B1 (fr) 1974-11-26

Family

ID=12867885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43050764A Pending JPS4943989B1 (fr) 1968-07-19 1968-07-19

Country Status (3)

Country Link
US (1) US3648453A (fr)
JP (1) JPS4943989B1 (fr)
CH (2) CH1103669A4 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1222869A4 (fr) * 1969-08-12 1972-09-15
CH949271A4 (fr) * 1971-06-29 1974-10-15
JPS5319944B2 (fr) * 1971-09-25 1978-06-23
FR2202318B1 (fr) * 1972-10-11 1976-10-29 Hatot Leon Ets
CH1691872A4 (fr) * 1972-11-21 1977-05-31
CH1810272A4 (fr) * 1972-12-13 1977-02-28
JPS49119679A (fr) * 1973-03-16 1974-11-15
CH1057373A4 (fr) * 1973-07-19 1976-05-14
US4010602A (en) * 1974-02-25 1977-03-08 Timex Corporation High frequency reed time governor for a timepiece
US3892066A (en) * 1974-02-27 1975-07-01 Microna Inc Synchronized watch movement
EP3130966B1 (fr) * 2015-08-11 2018-08-01 ETA SA Manufacture Horlogère Suisse Mouvement d'horlogerie mecanique muni d'un systeme de retroaction du mouvement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators

Also Published As

Publication number Publication date
CH1103669A4 (fr) 1972-06-15
CH528770A (fr) 1972-06-15
US3648453A (en) 1972-03-14

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