FR557359A - Electric clock - Google Patents

Electric clock

Info

Publication number
FR557359A
FR557359A FR557359DA FR557359A FR 557359 A FR557359 A FR 557359A FR 557359D A FR557359D A FR 557359DA FR 557359 A FR557359 A FR 557359A
Authority
FR
France
Prior art keywords
electric clock
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
French (fr)
Inventor
August Bengtsson Harje
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 FR557359A publication Critical patent/FR557359A/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
    • G04C3/033—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 torsion pendulums; using conical pendulums

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR557359D 1921-12-05 1922-10-12 Electric clock Expired FR557359A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK557359X 1921-12-05

Publications (1)

Publication Number Publication Date
FR557359A true FR557359A (en) 1923-08-08

Family

ID=8151381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557359D Expired FR557359A (en) 1921-12-05 1922-10-12 Electric clock

Country Status (1)

Country Link
FR (1) FR557359A (en)

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