FR2058215B1 - - Google Patents

Info

Publication number
FR2058215B1
FR2058215B1 FR707027491A FR7027491A FR2058215B1 FR 2058215 B1 FR2058215 B1 FR 2058215B1 FR 707027491 A FR707027491 A FR 707027491A FR 7027491 A FR7027491 A FR 7027491A FR 2058215 B1 FR2058215 B1 FR 2058215B1
Authority
FR
France
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
FR707027491A
Other languages
French (fr)
Other versions
FR2058215A1 (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.)
Compagnie des Montres Longines Francillon SA
Original Assignee
Compagnie des Montres Longines Francillon SA
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 Compagnie des Montres Longines Francillon SA filed Critical Compagnie des Montres Longines Francillon SA
Publication of FR2058215A1 publication Critical patent/FR2058215A1/fr
Application granted granted Critical
Publication of FR2058215B1 publication Critical patent/FR2058215B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • 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
    • G04C3/10—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 electromagnetic means
    • G04C3/108—Driving circuits
    • 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
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Electromechanical Clocks (AREA)
FR707027491A 1969-08-12 1970-07-24 Expired FR2058215B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1222869A CH532280A (en) 1969-08-12 1969-08-12 Electronic watch

Publications (2)

Publication Number Publication Date
FR2058215A1 FR2058215A1 (en) 1971-05-28
FR2058215B1 true FR2058215B1 (en) 1973-08-10

Family

ID=4381067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707027491A Expired FR2058215B1 (en) 1969-08-12 1970-07-24

Country Status (5)

Country Link
US (1) US3766454A (en)
CH (2) CH532280A (en)
DE (1) DE2038185A1 (en)
FR (1) FR2058215B1 (en)
GB (1) GB1303455A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309291A1 (en) * 1973-02-24 1974-08-29 Itt Ind Gmbh Deutsche PROCESS FOR SYNCHRONIZING MECHANICAL VIBRATORS OF USED WATCHES
US3892066A (en) * 1974-02-27 1975-07-01 Microna Inc Synchronized watch movement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396224A (en) * 1943-06-16 1946-03-12 Rca Corp Oscillation generator
US3021492A (en) * 1961-04-11 1962-02-13 Avco Corp Automatic phase control system
US3249876A (en) * 1963-02-07 1966-05-03 Gen Dynamics Corp Precision tracking of electrically tuned circuits
US3282042A (en) * 1964-09-10 1966-11-01 Bulova Watch Co Inc Crystal controlled chronometer
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators
FR1537298A (en) * 1967-09-08 1968-08-23 Smiths Industries Ltd Chronometric instruments incorporating circuits producing electrical oscillations
JPS4943989B1 (en) * 1968-07-19 1974-11-26

Also Published As

Publication number Publication date
GB1303455A (en) 1973-01-17
CH1222869A4 (en) 1972-09-15
CH532280A (en) 1972-09-15
US3766454A (en) 1973-10-16
FR2058215A1 (en) 1971-05-28
DE2038185A1 (en) 1971-05-19

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Legal Events

Date Code Title Description
ST Notification of lapse