GB1154348A - Improvements relating to Constant-Frequency Vibrators for Time Pieces - Google Patents

Improvements relating to Constant-Frequency Vibrators for Time Pieces

Info

Publication number
GB1154348A
GB1154348A GB37627/66A GB3762766A GB1154348A GB 1154348 A GB1154348 A GB 1154348A GB 37627/66 A GB37627/66 A GB 37627/66A GB 3762766 A GB3762766 A GB 3762766A GB 1154348 A GB1154348 A GB 1154348A
Authority
GB
United Kingdom
Prior art keywords
twisted
blade
plane
constant
rest
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
GB37627/66A
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.)
Portescap SA
Original Assignee
Portescap 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 Portescap SA filed Critical Portescap SA
Publication of GB1154348A publication Critical patent/GB1154348A/en
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
    • 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
    • G04C3/04—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
    • G04C3/066—Constructional details, e.g. disposition of coils

Abstract

1,154,348. Springs. PORTESCAP, LE PORTE-ECHAPPEMENT UNIVERSEL S.A. 23 Aug., 1966 [7 Oct., 1965], No. 37627/66. Heading F2S. [Also in Division G3T] A torsion vibrator for a timepiece (see Division G3) comprises at least one flat resilient blade 2 secured rigidly at its two ends 2a to a support member 1, at least one central portion 2b of the blade being twisted to lie in a plane forming an angle with the plane of the rest of the blade. In a second embodiment, Figs. 3, 4 (not shown), two longitudinally offset parallel blades (12) are formed integrally with the support (11) from a single sheet of metal. The blades may be formed with the central portions (22b) aligned as illustrated in Figs. 5, 6 (not shown). Instead of the twisted portions lying in planes at 90 degrees to the plane of the rest of the blade, the central portions may be twisted through 45 degrees in opposite directions. Also, in the embodiment described with reference to Figs. 1, 2 the central portion 2b may be divided into two sections twisted in opposite directions.
GB37627/66A 1965-10-07 1966-08-23 Improvements relating to Constant-Frequency Vibrators for Time Pieces Expired GB1154348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1385865A CH453213A (en) 1965-10-07 1965-10-07 Torsion vibrator for electrically maintained oscillator, for timepiece

Publications (1)

Publication Number Publication Date
GB1154348A true GB1154348A (en) 1969-06-04

Family

ID=4395938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37627/66A Expired GB1154348A (en) 1965-10-07 1966-08-23 Improvements relating to Constant-Frequency Vibrators for Time Pieces

Country Status (5)

Country Link
US (1) US3448304A (en)
CH (2) CH453213A (en)
DE (2) DE1523827A1 (en)
FR (1) FR1486632A (en)
GB (1) GB1154348A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534468A (en) * 1968-08-05 1970-10-20 Motorola Inc Method of making an electromechanical frequency responsive device with armature supported on torsion band
US3709118A (en) * 1970-02-27 1973-01-09 Westinghouse Electric Corp Integral mechanically actuated electrical power source for a photographic camera or a flashgun accessory
JPS553677B2 (en) * 1972-09-14 1980-01-26
US8461969B2 (en) * 2009-06-02 2013-06-11 Lg Innotek Co., Ltd. Dual mode vibrator
EP2975470B1 (en) * 2014-07-14 2017-05-10 Nivarox-FAR S.A. Flexible clock guide
CH709881A2 (en) * 2014-07-14 2016-01-15 Nivarox Sa flexible watchmaker guide.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA725856A (en) * 1966-01-18 N. Hadley Wilfred Fabric napping mechanism
DE880355C (en) * 1940-07-03 1953-06-22 Siemens Ag Measuring device for high frequency currents
US2690646A (en) * 1948-06-10 1954-10-05 Clifford Cecil Frank Escapement mechanism
US2571085A (en) * 1948-07-28 1951-10-09 Clifford Cecil Frank Magnetic escapement counting and like mechanism
US2852725A (en) * 1954-11-05 1958-09-16 Clifford Cecil Frank Electrically-maintained vibratory oscillator
BE572530A (en) * 1957-10-30

Also Published As

Publication number Publication date
US3448304A (en) 1969-06-03
CH1385865A4 (en) 1967-11-30
CH453213A (en) 1967-11-30
FR1486632A (en) 1967-06-30
DE1523827A1 (en) 1969-12-04
DE6605083U (en) 1970-04-09

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