FR660339A - Improvements to electric clocks - Google Patents

Improvements to electric clocks

Info

Publication number
FR660339A
FR660339A FR660339DA FR660339A FR 660339 A FR660339 A FR 660339A FR 660339D A FR660339D A FR 660339DA FR 660339 A FR660339 A FR 660339A
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
Augustin-Philippe Boulat
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 FR660339A publication Critical patent/FR660339A/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)
FR660339D 1927-01-22 1927-01-22 Improvements to electric clocks Expired FR660339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR660339T 1927-01-22

Publications (1)

Publication Number Publication Date
FR660339A true FR660339A (en) 1929-07-10

Family

ID=9010177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR660339D Expired FR660339A (en) 1927-01-22 1927-01-22 Improvements to electric clocks

Country Status (1)

Country Link
FR (1) FR660339A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1018751S1 (en) * 2021-06-22 2024-03-19 Eastpoint Sports Ltd., Llc Table tennis table

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1018751S1 (en) * 2021-06-22 2024-03-19 Eastpoint Sports Ltd., Llc Table tennis table

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