SE345754B - - Google Patents

Info

Publication number
SE345754B
SE345754B SE3905/68A SE390568A SE345754B SE 345754 B SE345754 B SE 345754B SE 3905/68 A SE3905/68 A SE 3905/68A SE 390568 A SE390568 A SE 390568A SE 345754 B SE345754 B SE 345754B
Authority
SE
Sweden
Prior art keywords
resonator
masses
march
orientation
oscillate
Prior art date
Application number
SE3905/68A
Inventor
M Hetzel
Original Assignee
Centre Electron Horloger
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 Centre Electron Horloger filed Critical Centre Electron Horloger
Publication of SE345754B publication Critical patent/SE345754B/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
    • G04C3/10—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
    • 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
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • 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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

1,163,706. Electric timepieces. CENTRE ELECTRONIQUE HORLOGER S.A. March 1, 1968 [March 31, 1967], No.10041/68. Heading G3T. A mechanical resonator for a timepiece comprises two branches 1, 2 adapted to oscillate in phase opposition, each having at its free end a mass 5, 6 belonging to a transducer maintaining the vibrations of the resonator and each branch having a flexible part 12, 13 to allow displacement of the masses under the influence of gravity in order to reduce the charge in frequency of the resonator due to its change in orientation. The masses oscillate in the direction of the line 11 but are displaced in a direction having a component perpendicular to the line 11 depending on the orientation of the resonator. Members 7, 8 are provided for fine adjustment of the frequency of oscillation of the resonator. In a modification the resonator comprises two parallel straight arms each having at its free end an inwardly facing U-shaped arm positioned at right angles to the straight arms. The flexible part is provided by the curved portion of each U-shaped arm to the free ends of which the masses are secured.
SE3905/68A 1967-03-31 1968-03-22 SE345754B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH457567A CH469299A (en) 1967-03-31 1967-03-31 Mechanical resonator for timepiece

Publications (1)

Publication Number Publication Date
SE345754B true SE345754B (en) 1972-06-05

Family

ID=4278644

Family Applications (1)

Application Number Title Priority Date Filing Date
SE3905/68A SE345754B (en) 1967-03-31 1968-03-22

Country Status (9)

Country Link
US (1) US3486049A (en)
AT (1) AT278665B (en)
BE (1) BE711629A (en)
CH (1) CH469299A (en)
DE (1) DE1673635A1 (en)
FR (1) FR1559271A (en)
GB (1) GB1163706A (en)
NL (1) NL6803274A (en)
SE (1) SE345754B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH247769A4 (en) * 1969-02-19 1971-12-15
EP3327515B1 (en) 2016-11-23 2020-05-06 ETA SA Manufacture Horlogère Suisse Flexibly guided rotary resonator maintained by a free escapement with pallet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA741517A (en) * 1966-08-30 Ishikawa Kazuo Added mass type circular tuning fork
NL126920C (en) * 1961-09-18
CH406984A (en) * 1964-01-20 1965-09-15 Centre Electron Horloger Mechanical resonator for normal frequency oscillators in timing devices
CH409791A (en) * 1964-02-18 1965-11-30 Centre Electron Horloger Electronic watch
CH421827A (en) * 1964-07-31 1967-04-15 Centre Electron Horloger Mechanical resonator for normal frequency oscillators in timing devices

Also Published As

Publication number Publication date
FR1559271A (en) 1969-03-07
US3486049A (en) 1969-12-23
BE711629A (en) 1968-09-04
AT278665B (en) 1970-02-10
DE1673635A1 (en) 1972-02-10
CH469299A (en) 1969-04-15
GB1163706A (en) 1969-09-10
NL6803274A (en) 1968-10-01

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