FR2053086B1 - - Google Patents

Info

Publication number
FR2053086B1
FR2053086B1 FR707026369A FR7026369A FR2053086B1 FR 2053086 B1 FR2053086 B1 FR 2053086B1 FR 707026369 A FR707026369 A FR 707026369A FR 7026369 A FR7026369 A FR 7026369A FR 2053086 B1 FR2053086 B1 FR 2053086B1
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
FR707026369A
Other languages
French (fr)
Other versions
FR2053086A1 (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.)
HORSTMANN MAGNETICS Ltd
Original Assignee
HORSTMANN MAGNETICS 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
Priority claimed from GB2211370A external-priority patent/GB1281922A/en
Application filed by HORSTMANN MAGNETICS Ltd filed Critical HORSTMANN MAGNETICS Ltd
Publication of FR2053086A1 publication Critical patent/FR2053086A1/fr
Application granted granted Critical
Publication of FR2053086B1 publication Critical patent/FR2053086B1/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
    • G04C3/10—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
    • G04C3/101—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 constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system
    • 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
    • G04C3/101—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 constructional details
    • G04C3/104—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 constructional details of the pawl or the ratched-wheel
    • G04C3/105—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 constructional details of the pawl or the ratched-wheel pawl and ratched-wheel being magnetically coupled

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR707026369A 1969-07-23 1970-07-17 Expired FR2053086B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2211370A GB1281922A (en) 1969-07-23 1969-07-23 Electromechanical oscillator with isochronous compensation and/or frequency regulation
GB3707669 1969-07-23
GB97870 1970-01-08
GB1272370 1970-03-17

Publications (2)

Publication Number Publication Date
FR2053086A1 FR2053086A1 (en) 1971-04-16
FR2053086B1 true FR2053086B1 (en) 1973-04-27

Family

ID=27447110

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707026369A Expired FR2053086B1 (en) 1969-07-23 1970-07-17

Country Status (4)

Country Link
US (1) US3678307A (en)
CH (2) CH572637B5 (en)
DE (1) DE2033630C3 (en)
FR (1) FR2053086B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136513A (en) * 1976-10-18 1979-01-30 Leonard Vivian A Error compensator for a timepiece
DE3544930A1 (en) * 1985-12-19 1987-06-25 Messerschmitt Boelkow Blohm ELECTROMAGNETIC PRECISION ROTARY DRIVE
CH707471B1 (en) * 2013-08-05 2014-07-31 Rd Engineering Rudolf Dinger controller system for mechanical watch.
EP3182224B1 (en) * 2015-12-18 2019-05-22 Montres Breguet S.A. Safety regulator for timepiece escapement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954944C (en) * 1950-07-15 1956-12-27 Clifford Cecil F Mechanical vibration system
US2928308A (en) * 1954-03-12 1960-03-15 Atlantic Refining Co Means for controlling the frequency of a tuning fork
US3208287A (en) * 1961-10-21 1965-09-28 Jeco Kk Magnetic escapement
CH378239A (en) * 1962-01-09 1964-02-14 Manuf Des Montres Rolex S A Bi Timepiece with oscillating regulating member, consisting of a tuning fork, electrically maintained
US3277644A (en) * 1965-06-08 1966-10-11 Jeco Kk Tuning fork timepiece
US3338047A (en) * 1965-10-18 1967-08-29 Gen Time Corp Frequency regulator for tuning fork drive system
GB1130150A (en) * 1966-07-04 1968-10-09 Horstmann Magnetics Ltd An electromechanical oscillator comprising a tuning fork with frequency adjustment
DE1801972A1 (en) * 1968-10-09 1970-07-16 Diehl Fa Incremental wheel

Also Published As

Publication number Publication date
CH572637B5 (en) 1976-02-13
DE2033630C3 (en) 1975-03-27
FR2053086A1 (en) 1971-04-16
CH1107170A4 (en) 1975-07-15
DE2033630A1 (en) 1971-04-15
DE2033630B2 (en) 1974-08-15
US3678307A (en) 1972-07-18

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
ST Notification of lapse