GB1427048A - Electric watch with electrodynamic motor - Google Patents

Electric watch with electrodynamic motor

Info

Publication number
GB1427048A
GB1427048A GB5680273A GB5680273A GB1427048A GB 1427048 A GB1427048 A GB 1427048A GB 5680273 A GB5680273 A GB 5680273A GB 5680273 A GB5680273 A GB 5680273A GB 1427048 A GB1427048 A GB 1427048A
Authority
GB
United Kingdom
Prior art keywords
lever
balance
coil
fixed
motor
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
GB5680273A
Other languages
English (en)
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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of GB1427048A publication Critical patent/GB1427048A/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
    • 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)
  • Electromechanical Clocks (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB5680273A 1972-12-28 1973-12-07 Electric watch with electrodynamic motor Expired GB1427048A (en)

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
GB1427048A true GB1427048A (en) 1976-03-03

Family

ID=4436577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5680273A Expired GB1427048A (en) 1972-12-28 1973-12-07 Electric watch with electrodynamic motor

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
CH1898672A4 (ja) 1976-01-30
DE2363946A1 (de) 1974-07-18
FR2212578A1 (ja) 1974-07-26
JPS4998673A (ja) 1974-09-18
FR2212578B1 (ja) 1977-09-09
US3859784A (en) 1975-01-14
CH577211B5 (ja) 1976-06-30
DE2363946B2 (de) 1975-08-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee