FR33848E - Improvements to electro-magnetic clocks - Google Patents

Improvements to electro-magnetic clocks

Info

Publication number
FR33848E
FR33848E FR33848DA FR33848E FR 33848 E FR33848 E FR 33848E FR 33848D A FR33848D A FR 33848DA FR 33848 E FR33848 E FR 33848E
Authority
FR
France
Prior art keywords
electro
clocks
magnetic
magnetic clocks
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)
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.)
Leon Hatot SA France
Original Assignee
Leon Hatot SA France
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 Leon Hatot SA France filed Critical Leon Hatot SA France
Application granted granted Critical
Publication of FR33848E publication Critical patent/FR33848E/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
    • G04C3/04—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 balance
    • G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
    • G04C3/061—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 balance using electromagnetic coupling between electric power source and balance the balance controlling contacts and mechanically driving the gear-train
    • 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)
FR33848D 1927-07-06 1927-07-06 Improvements to electro-magnetic clocks Expired FR33848E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR33848T 1927-07-06

Publications (1)

Publication Number Publication Date
FR33848E true FR33848E (en) 1929-03-25

Family

ID=8671466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33848D Expired FR33848E (en) 1927-07-06 1927-07-06 Improvements to electro-magnetic clocks

Country Status (1)

Country Link
FR (1) FR33848E (en)

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