CH987271A4 - Frequenzstabilisierter Uhrenantrieb - Google Patents

Frequenzstabilisierter Uhrenantrieb

Info

Publication number
CH987271A4
CH987271A4 CH987271D CH987271D CH987271A4 CH 987271 A4 CH987271 A4 CH 987271A4 CH 987271 D CH987271 D CH 987271D CH 987271 D CH987271 D CH 987271D CH 987271 A4 CH987271 A4 CH 987271A4
Authority
CH
Switzerland
Prior art keywords
clock drive
frequency stabilized
stabilized clock
frequency
drive
Prior art date
Application number
CH987271D
Other languages
English (en)
Inventor
Heywang Walter Dr Prof
Nat Guntersdorfer Max Dr Rer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH987271A4 publication Critical patent/CH987271A4/de

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
    • G04C3/12—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Electromechanical Clocks (AREA)
CH987271D 1970-07-17 1971-07-05 Frequenzstabilisierter Uhrenantrieb CH987271A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702035587 DE2035587A1 (de) 1970-07-17 1970-07-17 Uhrenantneb mit piezoelektrischer Stimmgabel

Publications (1)

Publication Number Publication Date
CH987271A4 true CH987271A4 (de) 1974-06-28

Family

ID=5777110

Family Applications (1)

Application Number Title Priority Date Filing Date
CH987271D CH987271A4 (de) 1970-07-17 1971-07-05 Frequenzstabilisierter Uhrenantrieb

Country Status (8)

Country Link
US (1) US3747326A (de)
AT (1) AT315082B (de)
CH (1) CH987271A4 (de)
DE (1) DE2035587A1 (de)
FR (1) FR2099428A5 (de)
GB (1) GB1353176A (de)
IT (1) IT997021B (de)
NL (1) NL7109410A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1278994A1 (ru) * 1974-07-05 1986-12-23 Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции Пьезоэлектрический двигатель
CN113572387B (zh) * 2021-07-27 2023-06-02 杭州电子科技大学 一种音叉型结构的压电致动器及其工作方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1849271A (en) * 1929-01-25 1932-03-15 Ward E Bower Oscillation generator
US2015410A (en) * 1934-02-05 1935-09-24 Continental Oil Co Vibrating system
CH400917A (fr) * 1961-02-16 1965-06-30 Suwa Seikosha Kk Pièce d'horlogerie électrique
CH405171A (fr) * 1962-08-11 1965-09-15 Lavet Marius Jean Appareil horaire et procédé de fabrication de cet appareil
DE1523958A1 (de) * 1965-08-28 1969-07-31 Kienzle Uhrenfabriken Gmbh Uhr mit Torsions- oder Biegeschwinger
US3579974A (en) * 1967-04-08 1971-05-25 Gehap Gmbh & Co Kg Electronically-controlled drive mechanism particularly for clocks
FR1539922A (fr) * 1967-08-09 1968-09-20 Lip Sa Appareil horaire portatif
DE1809223B2 (de) * 1968-11-15 1972-11-30 Gebrüder Junghans GmbH, 7230 Schramberg Armbanduhr mit einem piezoelektrischen kristall als zeithaltendem schwinger
US3636469A (en) * 1969-11-10 1972-01-18 Bunker Ramo Beat frequency time standard

Also Published As

Publication number Publication date
DE2035587A1 (de) 1972-01-20
GB1353176A (en) 1974-05-15
AT315082B (de) 1974-05-10
NL7109410A (de) 1972-01-19
US3747326A (en) 1973-07-24
FR2099428A5 (de) 1972-03-17
IT997021B (it) 1975-12-30

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