GB1250066A - - Google Patents

Info

Publication number
GB1250066A
GB1250066A GB1250066DA GB1250066A GB 1250066 A GB1250066 A GB 1250066A GB 1250066D A GB1250066D A GB 1250066DA GB 1250066 A GB1250066 A GB 1250066A
Authority
GB
United Kingdom
Prior art keywords
balance
transistors
pulses
coil
magnets
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
English (en)
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 GB1250066A publication Critical patent/GB1250066A/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
    • G04C3/065—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 gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB1250066D 1968-08-08 1969-08-07 Expired GB1250066A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1201768A CH506120A (fr) 1968-08-08 1968-08-08 Dispositif électronique d'entretien des oscillations d'un résonateur pour pièce d'horlogerie

Publications (1)

Publication Number Publication Date
GB1250066A true GB1250066A (xx) 1971-10-20

Family

ID=4379054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250066D Expired GB1250066A (xx) 1968-08-08 1969-08-07

Country Status (4)

Country Link
CH (2) CH1201768A4 (xx)
DE (1) DE1940115A1 (xx)
FR (1) FR2015269B1 (xx)
GB (1) GB1250066A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1262943B (de) * 1967-02-18 1968-03-14 Eisengiesserei A Beien Antriebs- bzw. Umkehrstation fuer einen insbesondere im Streb zusammen mit einer Gewinnungsmaschine verwendeten Kratzerfoerderer
DE2110674B2 (de) * 1970-03-31 1976-08-26 KX. Suwa Seikosha, Tokio Elektrische uhr mit einer elektromagnetisch angetriebenen unruh
NL7107830A (xx) * 1970-07-07 1972-01-11

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1392320A (fr) * 1964-05-05 1965-03-12 Ebauches Sa Pièce d'horlogerie électrique à régulateur oscillant
FR1511016A (fr) * 1966-12-13 1968-01-26 L I P Sa D Horlogerie Dispositif électrique d'entretien des oscillations d'un mobile

Also Published As

Publication number Publication date
CH1201768A4 (xx) 1970-12-15
FR2015269A1 (xx) 1970-04-24
DE1940115A1 (de) 1970-02-12
CH506120A (fr) 1970-12-15
FR2015269B1 (xx) 1973-02-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees