FR647217A - Electro-magnetic device for actuating pendulums of watches, clocks and other similar instruments - Google Patents

Electro-magnetic device for actuating pendulums of watches, clocks and other similar instruments

Info

Publication number
FR647217A
FR647217A FR647217DA FR647217A FR 647217 A FR647217 A FR 647217A FR 647217D A FR647217D A FR 647217DA FR 647217 A FR647217 A FR 647217A
Authority
FR
France
Prior art keywords
pendulums
watches
clocks
electro
actuating
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
Other languages
French (fr)
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.)
Tecalemit SA
Original Assignee
Tecalemit 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 Tecalemit SA filed Critical Tecalemit SA
Application granted granted Critical
Publication of FR647217A publication Critical patent/FR647217A/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
    • G04C3/042—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 mechanical coupling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
FR647217D 1927-02-21 1928-01-16 Electro-magnetic device for actuating pendulums of watches, clocks and other similar instruments Expired FR647217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE285800X 1927-02-21

Publications (1)

Publication Number Publication Date
FR647217A true FR647217A (en) 1928-11-21

Family

ID=3867171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647217D Expired FR647217A (en) 1927-02-21 1928-01-16 Electro-magnetic device for actuating pendulums of watches, clocks and other similar instruments

Country Status (2)

Country Link
FR (1) FR647217A (en)
GB (1) GB285800A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048004A (en) * 1959-04-09 1962-08-07 Hamilton Watch Co Electric watch
US3095690A (en) * 1959-03-23 1963-07-02 Hamilton Watch Co Contact and index system for an electric watch
US3122879A (en) * 1959-10-01 1964-03-03 Trick Kuno Motion converter for electrically driven rotary oscillators

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021665A (en) * 1959-03-09 1962-02-20 Varga Gyula Electric watch mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095690A (en) * 1959-03-23 1963-07-02 Hamilton Watch Co Contact and index system for an electric watch
US3048004A (en) * 1959-04-09 1962-08-07 Hamilton Watch Co Electric watch
US3122879A (en) * 1959-10-01 1964-03-03 Trick Kuno Motion converter for electrically driven rotary oscillators

Also Published As

Publication number Publication date
GB285800A (en) 1928-09-13

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