JPS4998673A - - Google Patents

Info

Publication number
JPS4998673A
JPS4998673A JP49004813A JP481374A JPS4998673A JP S4998673 A JPS4998673 A JP S4998673A JP 49004813 A JP49004813 A JP 49004813A JP 481374 A JP481374 A JP 481374A JP S4998673 A JPS4998673 A JP S4998673A
Authority
JP
Japan
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.)
Pending
Application number
JP49004813A
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
Publication of JPS4998673A publication Critical patent/JPS4998673A/ja
Pending 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
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromechanical Clocks (AREA)
JP49004813A 1972-12-28 1973-12-22 Pending JPS4998673A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1898672A CH577211B5 (ja) 1972-12-28 1972-12-28

Publications (1)

Publication Number Publication Date
JPS4998673A true JPS4998673A (ja) 1974-09-18

Family

ID=4436577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49004813A Pending JPS4998673A (ja) 1972-12-28 1973-12-22

Country Status (6)

Country Link
US (1) US3859784A (ja)
JP (1) JPS4998673A (ja)
CH (2) CH577211B5 (ja)
DE (1) DE2363946B2 (ja)
FR (1) FR2212578B1 (ja)
GB (1) GB1427048A (ja)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847818A (en) * 1952-02-20 1958-08-19 Junghans Helmut Electromagnetically operated clocks
US3002335A (en) * 1958-09-08 1961-10-03 Marvin I Glass Toy clock
US3059413A (en) * 1959-01-02 1962-10-23 Hamilton Watch Co Pallet fork contacting and indexing means for electric watch
JPS5025188Y1 (ja) * 1970-12-28 1975-07-29

Also Published As

Publication number Publication date
FR2212578B1 (ja) 1977-09-09
CH577211B5 (ja) 1976-06-30
DE2363946B2 (de) 1975-08-21
US3859784A (en) 1975-01-14
DE2363946A1 (de) 1974-07-18
GB1427048A (en) 1976-03-03
CH1898672A4 (ja) 1976-01-30
FR2212578A1 (ja) 1974-07-26

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