FR1377110A - Improvements to watchmaking instruments - Google Patents

Improvements to watchmaking instruments

Info

Publication number
FR1377110A
FR1377110A FR957023A FR957023A FR1377110A FR 1377110 A FR1377110 A FR 1377110A FR 957023 A FR957023 A FR 957023A FR 957023 A FR957023 A FR 957023A FR 1377110 A FR1377110 A FR 1377110A
Authority
FR
France
Prior art keywords
watchmaking
instruments
watchmaking instruments
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
FR957023A
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.)
S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England Ltd
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 S Smith and Sons Ltd, S Smith and Sons England Ltd filed Critical S Smith and Sons Ltd
Priority to FR957023A priority Critical patent/FR1377110A/en
Application granted granted Critical
Publication of FR1377110A publication Critical patent/FR1377110A/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
    • 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
    • G04C3/066—Constructional details, e.g. disposition of coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR957023A 1963-12-12 1963-12-12 Improvements to watchmaking instruments Expired FR1377110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR957023A FR1377110A (en) 1963-12-12 1963-12-12 Improvements to watchmaking instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR957023A FR1377110A (en) 1963-12-12 1963-12-12 Improvements to watchmaking instruments

Publications (1)

Publication Number Publication Date
FR1377110A true FR1377110A (en) 1964-10-31

Family

ID=8818747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR957023A Expired FR1377110A (en) 1963-12-12 1963-12-12 Improvements to watchmaking instruments

Country Status (1)

Country Link
FR (1) FR1377110A (en)

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