FR326439A - Improvements to electric clocks - Google Patents

Improvements to electric clocks

Info

Publication number
FR326439A
FR326439A FR326439DA FR326439A FR 326439 A FR326439 A FR 326439A FR 326439D A FR326439D A FR 326439DA FR 326439 A FR326439 A FR 326439A
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
Palmer William Edgar
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 FR326439A publication Critical patent/FR326439A/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
    • G04C3/021—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 mechanical coupling
    • G04C3/022—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 mechanical coupling with constant impulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR326439D 1902-11-18 1902-11-18 Improvements to electric clocks Expired FR326439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR326439T 1902-11-18

Publications (1)

Publication Number Publication Date
FR326439A true FR326439A (en) 1903-05-27

Family

ID=1376529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR326439D Expired FR326439A (en) 1902-11-18 1902-11-18 Improvements to electric clocks

Country Status (1)

Country Link
FR (1) FR326439A (en)

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