GB1317081A - Timepiece resonators - Google Patents

Timepiece resonators

Info

Publication number
GB1317081A
GB1317081A GB1166971*[A GB1166971A GB1317081A GB 1317081 A GB1317081 A GB 1317081A GB 1166971 A GB1166971 A GB 1166971A GB 1317081 A GB1317081 A GB 1317081A
Authority
GB
United Kingdom
Prior art keywords
blade
crystals
blades
april
pick
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
GB1166971*[A
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.)
BERNHEIM E
Original Assignee
BERNHEIM E
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 BERNHEIM E filed Critical BERNHEIM E
Publication of GB1317081A publication Critical patent/GB1317081A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/08—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using magnetostrictive resonators
    • 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
    • G04C3/12—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 piezoelectric means; driven by magneto-strictive means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Toys (AREA)
GB1166971*[A 1970-04-27 1971-04-27 Timepiece resonators Expired GB1317081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH626170A CH530666A (de) 1970-04-27 1970-04-27 Oszillator für ein zeithaltendes elektrisches Gerät, insbesondere eine Kleinuhr

Publications (1)

Publication Number Publication Date
GB1317081A true GB1317081A (en) 1973-05-16

Family

ID=4306784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1166971*[A Expired GB1317081A (en) 1970-04-27 1971-04-27 Timepiece resonators

Country Status (5)

Country Link
US (1) US3668442A (enrdf_load_stackoverflow)
CH (2) CH626170A4 (enrdf_load_stackoverflow)
DE (1) DE2120436A1 (enrdf_load_stackoverflow)
FR (1) FR2086392B1 (enrdf_load_stackoverflow)
GB (1) GB1317081A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744398Y2 (enrdf_load_stackoverflow) * 1977-05-26 1982-09-30
US4661328A (en) * 1985-06-19 1987-04-28 Aluminum Company Of America Alumina from high silica bauxite
ES2044080T3 (es) * 1988-02-03 1994-01-01 Yoshida Kogyo Kk Generador piezoelectrico de vibraciones y alimentador vibratorio de piezas que lo comprende.
US5561337A (en) * 1995-04-13 1996-10-01 Toda; Kohji Ultrasonic vibrating actuator
JP2709045B2 (ja) * 1995-07-31 1998-02-04 有限会社ユーエスエム 圧電駆動装置
US6664714B2 (en) * 2000-03-23 2003-12-16 Elliptec Resonant Actuator Ag Vibratory motors and methods of making and using same
DE102021116555B4 (de) * 2021-06-25 2023-02-09 Realization Desal Ag Uhr

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693806A (en) * 1925-02-28 1928-12-04 Rca Corp Electromechanical system
US2875353A (en) * 1953-05-29 1959-02-24 Philco Corp Electromechanical reed system
US2995692A (en) * 1955-10-20 1961-08-08 Philips Corp Rotary system driven by electrical energy
US3243951A (en) * 1962-03-28 1966-04-05 Toko Radio Coil Kenkyusho Kk Flexure vibration type electrical vibrator and transistor oscillator utilizing the same
US3361994A (en) * 1963-08-23 1968-01-02 Kokusai Electric Co Ltd Compact tuning fork resonator
CH460649A (fr) * 1964-03-04 1968-03-29 Ceppi Georges Dispositif d'entraînement du rouage d'une pièce d'horlogerie
FR1424368A (fr) * 1965-02-11 1966-01-07 Centre Electron Horloger Perfectionnements aux montres électroniques
US3462939A (en) * 1965-02-12 1969-08-26 Tokei Kk Mechanical vibrator for timepiece
US3441753A (en) * 1966-07-26 1969-04-29 Seiko Instr & Electronics Electric timepiece regulator
US3437849A (en) * 1966-11-21 1969-04-08 Motorola Inc Temperature compensation of electrical devices

Also Published As

Publication number Publication date
CH626170A4 (enrdf_load_stackoverflow) 1972-06-30
CH530666A (de) 1972-06-30
US3668442A (en) 1972-06-06
DE2120436A1 (de) 1971-11-11
FR2086392B1 (enrdf_load_stackoverflow) 1974-08-19
FR2086392A1 (enrdf_load_stackoverflow) 1971-12-31

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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