GB1146494A - Electronic timekeeper - Google Patents

Electronic timekeeper

Info

Publication number
GB1146494A
GB1146494A GB2337866A GB2337866A GB1146494A GB 1146494 A GB1146494 A GB 1146494A GB 2337866 A GB2337866 A GB 2337866A GB 2337866 A GB2337866 A GB 2337866A GB 1146494 A GB1146494 A GB 1146494A
Authority
GB
United Kingdom
Prior art keywords
balance wheel
multivibrator
circuit
coil
pulse width
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
GB2337866A
Other languages
English (en)
Inventor
Kiyoshi Bansho
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1146494A publication Critical patent/GB1146494A/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
    • G04C3/069—Driving circuits using a single coil for detection and driving purposes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Treatment Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electric Clocks (AREA)
GB2337866A 1965-05-25 1966-05-25 Electronic timekeeper Expired GB1146494A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3039865 1965-05-25
JP3788065 1965-06-26

Publications (1)

Publication Number Publication Date
GB1146494A true GB1146494A (en) 1969-03-26

Family

ID=26368729

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2337866A Expired GB1146494A (en) 1965-05-25 1966-05-25 Electronic timekeeper

Country Status (3)

Country Link
CH (2) CH551652A (enrdf_load_stackoverflow)
DE (1) DE1523968B2 (enrdf_load_stackoverflow)
GB (1) GB1146494A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667210A (en) * 1970-07-06 1972-06-06 Timex Corp Horological instrument
US4825332A (en) * 1987-02-20 1989-04-25 Hiroshi Aoki Electromagnetic driving circuit

Also Published As

Publication number Publication date
CH758066A4 (enrdf_load_stackoverflow) 1969-06-30
DE1523968A1 (de) 1970-04-09
CH551652A (enrdf_load_stackoverflow) 1974-07-15
DE1523968B2 (de) 1973-01-04

Similar Documents

Publication Publication Date Title
GB1279274A (en) Electronically controlled timepiece
GB1146494A (en) Electronic timekeeper
GB1001176A (en) Timing device particularly for clocks and watches
GB1128050A (en) Improvements in electrical circuitry for timekeeping instruments
GB1243127A (en) Oscillator circuit including a quartz crystal operating in parallel resonance
US3818376A (en) Method and apparatus for synchronizing the balance system of clocks or wrist watches
ES410071A1 (es) Un fragmento de circuito integrado para relojes electroni- cos.
GB1240070A (en) Electronic circuit for driving a mechanical oscillating system
GB1167326A (en) Electronic Frequency Divider
US3731229A (en) Circuit arrangement for maintaining the oscillations of an electro-mechanical oscillator
GB1025450A (en) A pulse generating circuit arrangement
GB1303455A (enrdf_load_stackoverflow)
GB1009209A (en) Supply circuit of a time-keeping mechanical oscillator
GB817319A (en) Stabilised electric transistor oscillators
US3733531A (en) Electronic regulating circuit
GB1157691A (en) Improvements relating to Oscillator Circuit Arrangements
US3052854A (en) Phase stable divider circuit
GB1077877A (en) Improvements in crystal oscillators
GB1086459A (en) Circuit arrangement for electric timepieces comprising mechanical oscillators
GB1066569A (en) Improvements in or relating to relaxation oscillators
GB1130672A (en) Electric timepiece
GB1149561A (en) Transistor blocking oscillator
GB1234399A (enrdf_load_stackoverflow)
GB1131357A (en) Clock with torsional or flexural oscillator
GB1180402A (en) Improvements relating to Pulse Generating Circuits