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CA940719A - Timepieces with torsion resonators - Google Patents

Timepieces with torsion resonators

Info

Publication number
CA940719A
CA940719A CA122,543A CA122543A CA940719A CA 940719 A CA940719 A CA 940719A CA 122543 A CA122543 A CA 122543A CA 940719 A CA940719 A CA 940719A
Authority
CA
Canada
Prior art keywords
timepieces
resonators
torsion
torsion resonators
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
CA122,543A
Other versions
CA122543S (en
Inventor
Philippe Kuffer
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.)
la FABRIQUE D'HORLOGERIE LE COULTRE AND CIE SA
Manufacture des Montres Rolex SA
Rolex SA
Original Assignee
la FABRIQUE D'HORLOGERIE LE COULTRE AND CIE SA
Montres Rolex SA
Manufacture des Montres Rolex 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 la FABRIQUE D'HORLOGERIE LE COULTRE AND CIE SA, Montres Rolex SA, Manufacture des Montres Rolex SA filed Critical la FABRIQUE D'HORLOGERIE LE COULTRE AND CIE SA
Application granted granted Critical
Publication of CA940719A publication Critical patent/CA940719A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/10—Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane
    • 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
    • G04C3/102—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 mechanical oscillator or of the coil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
CA122,543A 1970-09-29 1971-09-10 Timepieces with torsion resonators Expired CA940719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1440370A CH524167A (en) 1970-09-29 1970-09-29 Torsion Resonator Electric Timepiece

Publications (1)

Publication Number Publication Date
CA940719A true CA940719A (en) 1974-01-29

Family

ID=4400550

Family Applications (1)

Application Number Title Priority Date Filing Date
CA122,543A Expired CA940719A (en) 1970-09-29 1971-09-10 Timepieces with torsion resonators

Country Status (7)

Country Link
US (1) US3782101A (en)
BE (1) BE772339A (en)
CA (1) CA940719A (en)
CH (2) CH524167A (en)
DE (1) DE2146929C3 (en)
FR (1) FR2108050B1 (en)
NL (1) NL7113188A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1468319A (en) * 1974-04-09 1977-03-23 Seiko Instr & Electronics Driving electric micro-motors for electronic timepieces

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25328A (en) * 1859-09-06 Foam-collector for steam-boilers
CH421827A (en) * 1964-07-31 1967-04-15 Centre Electron Horloger Mechanical resonator for normal frequency oscillators in timing devices
GB1108028A (en) * 1966-11-11 1968-03-27 Centre Electron Horloger Electro-mechanical watch
CH911567A4 (en) * 1967-06-27 1970-10-30
JPS5044130Y1 (en) * 1969-03-14 1975-12-16
CH508909A (en) * 1969-03-17 1971-02-26 Ebauches Sa Electric timepiece
CH506107A (en) * 1969-03-17 1970-12-15 Ebauches Sa Electric timepiece
US3595007A (en) * 1969-08-29 1971-07-27 Hb Eng Corp Resonator-driven timepiece
US3642344A (en) * 1970-11-27 1972-02-15 Honeywell Inc Optical scanner having high-frequency torsional oscillator

Also Published As

Publication number Publication date
BE772339A (en) 1972-01-17
FR2108050A1 (en) 1972-05-12
FR2108050B1 (en) 1974-05-10
NL7113188A (en) 1972-04-04
DE2146929A1 (en) 1972-03-30
CH524167A (en) 1972-02-29
DE2146929B2 (en) 1973-03-29
DE2146929C3 (en) 1973-10-25
US3782101A (en) 1974-01-01
CH1440370A4 (en) 1972-02-29

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