DE2160446A1 - Elektromagnetisch angetriebene Uhr - Google Patents

Elektromagnetisch angetriebene Uhr

Info

Publication number
DE2160446A1
DE2160446A1 DE19712160446 DE2160446A DE2160446A1 DE 2160446 A1 DE2160446 A1 DE 2160446A1 DE 19712160446 DE19712160446 DE 19712160446 DE 2160446 A DE2160446 A DE 2160446A DE 2160446 A1 DE2160446 A1 DE 2160446A1
Authority
DE
Germany
Prior art keywords
coil
permanent magnet
holder
balance wheel
clock according
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.)
Pending
Application number
DE19712160446
Other languages
German (de)
English (en)
Inventor
Masahiro Suwa; Ota Tomio Okaya; Nagano Kurita (Japan)
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 DE2160446A1 publication Critical patent/DE2160446A1/de
Pending 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
    • 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
    • G04C3/069—Driving circuits using a single coil for detection and driving purposes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
DE19712160446 1970-12-04 1971-12-06 Elektromagnetisch angetriebene Uhr Pending DE2160446A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12024270 1970-12-04
JP13271470 1970-12-28

Publications (1)

Publication Number Publication Date
DE2160446A1 true DE2160446A1 (de) 1972-12-14

Family

ID=26457859

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712160446 Pending DE2160446A1 (de) 1970-12-04 1971-12-06 Elektromagnetisch angetriebene Uhr

Country Status (4)

Country Link
US (1) US3780521A (enExample)
DE (1) DE2160446A1 (enExample)
FR (1) FR2116520B1 (enExample)
GB (1) GB1366156A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7324375U (de) * 1973-06-30 1973-09-27 Gebrueder Junghans Gmbh Baugruppe für elektrisch angetriebene Gangregler
US4241439A (en) * 1980-01-04 1980-12-23 Timex Corporation Substrate board/carrier frame assembly
US5126720A (en) * 1991-01-17 1992-06-30 Knogo Corporation Method and apparatus for deactivating magnetic targets
US5225807A (en) * 1991-09-16 1993-07-06 Knogo Corporation Method and apparatus for sensitizing and desensitizing targets for electronic article surveillance systems
GB0324439D0 (en) * 2003-10-20 2003-11-19 Levingston Gideon R Minimal thermal variation and temperature compensating non-magnetic balance wheels and methods of production of these and their associated balance springs

Also Published As

Publication number Publication date
GB1366156A (en) 1974-09-11
FR2116520B1 (enExample) 1975-02-07
FR2116520A1 (enExample) 1972-07-13
US3780521A (en) 1973-12-25

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Legal Events

Date Code Title Description
OHW Rejection