GB1160239A - Improvements relating to Devices for Compensating the Effects of Temperature in a Timepiece Oscillator - Google Patents

Improvements relating to Devices for Compensating the Effects of Temperature in a Timepiece Oscillator

Info

Publication number
GB1160239A
GB1160239A GB49752/66A GB4975266A GB1160239A GB 1160239 A GB1160239 A GB 1160239A GB 49752/66 A GB49752/66 A GB 49752/66A GB 4975266 A GB4975266 A GB 4975266A GB 1160239 A GB1160239 A GB 1160239A
Authority
GB
United Kingdom
Prior art keywords
strip
blade
timepiece
oscillation
bending
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
GB49752/66A
Other languages
English (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.)
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 GB1160239A publication Critical patent/GB1160239A/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
    • 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
    • G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
    • 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
    • G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
    • G04B17/222—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with balances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB49752/66A 1965-12-22 1966-11-07 Improvements relating to Devices for Compensating the Effects of Temperature in a Timepiece Oscillator Expired GB1160239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1789865A CH453214A (fr) 1965-12-22 1965-12-22 Dispositif de correction à bilame du coefficient thermo-élastique d'un oscillateur électromécanique

Publications (1)

Publication Number Publication Date
GB1160239A true GB1160239A (en) 1969-08-06

Family

ID=4428917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49752/66A Expired GB1160239A (en) 1965-12-22 1966-11-07 Improvements relating to Devices for Compensating the Effects of Temperature in a Timepiece Oscillator

Country Status (5)

Country Link
US (1) US3418801A (cg-RX-API-DMAC7.html)
CH (1) CH453214A (cg-RX-API-DMAC7.html)
DE (1) DE1523998B2 (cg-RX-API-DMAC7.html)
FR (1) FR1497825A (cg-RX-API-DMAC7.html)
GB (1) GB1160239A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2178801B1 (cg-RX-API-DMAC7.html) * 1972-04-07 1976-03-12 Jaeger
EP2746871B1 (fr) * 2012-12-21 2021-05-05 Montres Tudor S.A. Vis de réglage d'inertie de balancier et balancier comprenant une telle vis

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732748A (en) * 1956-01-31 Temperature compensation for tuning forks
US120385A (en) * 1871-10-27 1871-10-31 Improvement in compensation-pendulums
US1653794A (en) * 1925-10-20 1927-12-27 Western Electric Co Temperature-compensating means for maintaining constant frequency in tuning forks
US2292244A (en) * 1939-01-26 1942-08-04 Ralph E Thompson Compensating balance wheel and the like
US2433160A (en) * 1945-09-06 1947-12-23 Honeywell Regulator Co Tuning fork construction
US3014168A (en) * 1955-12-28 1961-12-19 Kieninger & Obergfell Electronically controlled clock

Also Published As

Publication number Publication date
FR1497825A (fr) 1967-10-13
US3418801A (en) 1968-12-31
CH1789865A4 (cg-RX-API-DMAC7.html) 1967-11-30
DE1523998A1 (cg-RX-API-DMAC7.html) 1970-11-26
DE1523998B2 (de) 1970-11-26
CH453214A (fr) 1968-06-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees