GB1345410A - Electric timepieces - Google Patents

Electric timepieces

Info

Publication number
GB1345410A
GB1345410A GB2989071A GB2989071A GB1345410A GB 1345410 A GB1345410 A GB 1345410A GB 2989071 A GB2989071 A GB 2989071A GB 2989071 A GB2989071 A GB 2989071A GB 1345410 A GB1345410 A GB 1345410A
Authority
GB
United Kingdom
Prior art keywords
pin
wheels
balance
coil
circuit
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
GB2989071A
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Publication of GB1345410A publication Critical patent/GB1345410A/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
    • G04C3/04—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB2989071A 1970-07-29 1971-06-25 Electric timepieces Expired GB1345410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6601470 1970-07-29

Publications (1)

Publication Number Publication Date
GB1345410A true GB1345410A (en) 1974-01-30

Family

ID=13303647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2989071A Expired GB1345410A (en) 1970-07-29 1971-06-25 Electric timepieces

Country Status (4)

Country Link
US (1) US3678681A (enExample)
DE (1) DE2138028A1 (enExample)
FR (1) FR2099667B1 (enExample)
GB (1) GB1345410A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2315431C3 (de) * 1973-03-28 1981-05-21 Jahresuhren-Fabrik GmbH Aug. Schatz & Söhne, 7740 Triberg Drehpendeluhr
CH707582B1 (fr) * 2013-02-04 2018-12-14 Montres Breguet Sa Sous-ensemble horloger à pivotement magnétique ou électrostatique.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1405215A (fr) * 1962-07-10 1965-07-09 Lip Sa Montre électrique perfectionnée
DE1222863B (de) * 1964-04-08 1966-08-11 Kienzle Uhrenfabriken Ges Mit Zeithaltendes elektrisches Geraet
FR1473362A (fr) * 1966-02-22 1967-03-17 Citizen Watch Co Ltd Dispositif d'entraînement de balancier de montre et montres et appareils similaires équipés d'un tel dispositif
FR94561E (fr) * 1966-05-16 1969-09-12 Leblanc Albert Georges Alternateur hétéropolaire a fer tournant.
FR1562211A (enExample) * 1968-02-19 1969-04-04 Hatot Leon Ets
CH530665A (de) * 1968-09-15 1970-08-14 Reich Joachim Elektronische angetriebene Uhr

Also Published As

Publication number Publication date
US3678681A (en) 1972-07-25
FR2099667B1 (enExample) 1975-02-07
DE2138028A1 (de) 1972-02-10
FR2099667A1 (enExample) 1972-03-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee