FR14663E - Improvements to electric clocks - Google Patents

Improvements to electric clocks

Info

Publication number
FR14663E
FR14663E FR14663DA FR14663E FR 14663 E FR14663 E FR 14663E FR 14663D A FR14663D A FR 14663DA FR 14663 E FR14663 E FR 14663E
Authority
FR
France
Prior art keywords
electric clocks
clocks
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
French (fr)
Inventor
Frank Holden
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR14663E publication Critical patent/FR14663E/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
    • G04C3/02—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)
FR14663D 1910-06-17 1911-07-21 Improvements to electric clocks Expired FR14663E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR417221T 1910-06-17
FR14663T 1911-07-21

Publications (1)

Publication Number Publication Date
FR14663E true FR14663E (en) 1912-01-29

Family

ID=1356534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR14663D Expired FR14663E (en) 1910-06-17 1911-07-21 Improvements to electric clocks

Country Status (1)

Country Link
FR (1) FR14663E (en)

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