FR638912A - Horloge électrique perfectionnée - Google Patents

Horloge électrique perfectionnée

Info

Publication number
FR638912A
FR638912A FR638912DA FR638912A FR 638912 A FR638912 A FR 638912A FR 638912D A FR638912D A FR 638912DA FR 638912 A FR638912 A FR 638912A
Authority
FR
France
Prior art keywords
electric clock
advanced electric
advanced
clock
electric
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
English (en)
Inventor
Paul-Henri-Adolphe Renard
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 filed Critical
Application granted granted Critical
Publication of FR638912A publication Critical patent/FR638912A/fr
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
    • G04C3/02—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 pendulum
    • G04C3/027—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 pendulum using electromagnetic coupling between electric power source and pendulum

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR638912D 1926-12-29 1926-12-29 Horloge électrique perfectionnée Expired FR638912A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638912T 1926-12-29

Publications (1)

Publication Number Publication Date
FR638912A true FR638912A (fr) 1928-06-07

Family

ID=8996362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638912D Expired FR638912A (fr) 1926-12-29 1926-12-29 Horloge électrique perfectionnée

Country Status (1)

Country Link
FR (1) FR638912A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675668A (en) * 1949-04-14 1954-04-20 Ernest Morf Bearing for gear wheels in timepieces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675668A (en) * 1949-04-14 1954-04-20 Ernest Morf Bearing for gear wheels in timepieces

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