GB935034A - Electric drive of clocks and watches - Google Patents

Electric drive of clocks and watches

Info

Publication number
GB935034A
GB935034A GB3323560A GB3323560A GB935034A GB 935034 A GB935034 A GB 935034A GB 3323560 A GB3323560 A GB 3323560A GB 3323560 A GB3323560 A GB 3323560A GB 935034 A GB935034 A GB 935034A
Authority
GB
United Kingdom
Prior art keywords
resistors
capacitor
transistor
current
voltage
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
GB3323560A
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.)
CHRONOTECHNA
Original Assignee
CHRONOTECHNA
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 CHRONOTECHNA filed Critical CHRONOTECHNA
Publication of GB935034A publication Critical patent/GB935034A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/02Electromechanical 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
    • G04C3/027Electromechanical 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
    • G04C3/0278Electromechanical 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 the pendulum controlling the gear-train by means of static switches, e.g. transistor circuits
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04Electromechanical 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
    • G04C3/06Electromechanical 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
    • G04C3/065Electromechanical 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 gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067Driving circuits with distinct detecting and driving coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
GB3323560A 1959-09-28 1960-09-28 Electric drive of clocks and watches Expired GB935034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS552859 1959-09-28

Publications (1)

Publication Number Publication Date
GB935034A true GB935034A (en) 1963-08-28

Family

ID=5400335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3323560A Expired GB935034A (en) 1959-09-28 1960-09-28 Electric drive of clocks and watches

Country Status (2)

Country Link
CH (2) CH367447A (enrdf_load_stackoverflow)
GB (1) GB935034A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274999B (de) * 1964-10-15 1968-08-08 Siemens Elektrogeraete Gmbh Kontaktlos gesteuerte elektrische Uhr mit Selbstanlauf

Also Published As

Publication number Publication date
CH1088660A4 (enrdf_load_stackoverflow) 1962-10-31
CH367447A (de) 1962-10-31

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