GB1378031A - Electronic maintenance circuit for an oscillating type motor element - Google Patents

Electronic maintenance circuit for an oscillating type motor element

Info

Publication number
GB1378031A
GB1378031A GB2946872A GB2946872A GB1378031A GB 1378031 A GB1378031 A GB 1378031A GB 2946872 A GB2946872 A GB 2946872A GB 2946872 A GB2946872 A GB 2946872A GB 1378031 A GB1378031 A GB 1378031A
Authority
GB
United Kingdom
Prior art keywords
voltage
coil
induced
positive
drive
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
GB2946872A
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.)
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 GB1378031A publication Critical patent/GB1378031A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/02—Circuit arrangements; Electric clock installations
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Electric Motors In General (AREA)
  • Electromechanical Clocks (AREA)
  • Brushless Motors (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electronic Switches (AREA)
GB2946872A 1971-06-29 1972-06-23 Electronic maintenance circuit for an oscillating type motor element Expired GB1378031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH949271A CH560925A (en:Method) 1971-06-29 1971-06-29

Publications (1)

Publication Number Publication Date
GB1378031A true GB1378031A (en) 1974-12-18

Family

ID=4352566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2946872A Expired GB1378031A (en) 1971-06-29 1972-06-23 Electronic maintenance circuit for an oscillating type motor element

Country Status (7)

Country Link
US (1) US3806781A (en:Method)
JP (1) JPS5419562B1 (en:Method)
CH (2) CH949271A4 (en:Method)
FR (1) FR2143688B1 (en:Method)
GB (1) GB1378031A (en:Method)
IT (1) IT956713B (en:Method)
SU (1) SU434666A3 (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585428B5 (en:Method) * 1972-09-20 1977-02-28 Portescap
DE2309291A1 (de) * 1973-02-24 1974-08-29 Itt Ind Gmbh Deutsche Verfahren zum synchronisieren mechanischer schwinger von gebrauchsuhren
US3911337A (en) * 1974-01-29 1975-10-07 Diehl Driving and stabilizing circuit for an electro-mechanical oscillator
US4123691A (en) * 1975-07-05 1978-10-31 Lucas Industries Limited Electromagnetic devices
DE2749006C3 (de) * 1977-11-02 1981-12-17 Urgos Uhrenfabrik Schwenningen Haller, Jauch und Pabst GmbH& Co, 7220 Schwenningen Elektronische Korrektureinrichtung für eine Pendeluhr
US4340948A (en) * 1980-04-24 1982-07-20 General Time Corporation Single-coil balance wheel for driving a mechanical movement
US4544867A (en) * 1983-04-04 1985-10-01 Jones Jr John O Vibrator for furniture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238431A (en) * 1965-01-25 1966-03-01 Omega Brandt & Freres Sa Louis Oscillating resonator for a timepiece with synchronized driving oscillator
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element
JPS4943989B1 (en:Method) * 1968-07-19 1974-11-26
GB1288451A (en:Method) * 1969-05-20 1972-09-13
US3618311A (en) * 1970-01-13 1971-11-09 Timex Corp Synchronized horological system

Also Published As

Publication number Publication date
JPS5419562B1 (en:Method) 1979-07-16
DE2221747A1 (de) 1973-01-11
US3806781A (en) 1974-04-23
FR2143688A1 (en:Method) 1973-02-09
FR2143688B1 (en:Method) 1976-10-29
CH949271A4 (en:Method) 1974-10-15
CH560925A (en:Method) 1975-04-15
SU434666A3 (ru) 1974-06-30
IT956713B (it) 1973-10-10
DE2221747B2 (de) 1976-07-15

Similar Documents

Publication Publication Date Title
US4011516A (en) Frequency correction arrangement
US3375423A (en) Synchronous motor, especially for electric clocks
US3992868A (en) Timepiece with calendar mechanism
GB1378031A (en) Electronic maintenance circuit for an oscillating type motor element
US3714773A (en) Amplitude control means for balance wheel oscillator
GB1441928A (en) Peak detector
US3218793A (en) Pulse timer
GB2050655B (en) Electronic timepieces with stepping motor driven time displays
GB1128050A (en) Improvements in electrical circuitry for timekeeping instruments
US4271496A (en) Electronic watch
GB1389293A (en) Oscillating devices
US4008429A (en) Voltage translator for solid state watch
US4340948A (en) Single-coil balance wheel for driving a mechanical movement
GB1104071A (en) Improvements in or relating to horological instruments
US3447052A (en) Oscillating motor drive system
GB1350721A (en) Electronic circuit for quartz crystal watch
US3971204A (en) Circuit for driving a DC motor for a clock
US3807163A (en) Electronic switching circuit for electrically driven timepieces
GB1444671A (en) Driving circuit
JPS5412777A (en) Pulse motor driving circuit for watches
US3775962A (en) Circuit arrangement for the drive of a clockwork mechanism regulator-oscillator of a timepiece
US3524117A (en) Transistorized amplifier for electronic clockwork motor
GB1319891A (en) Switching arrangement of a transistor switching amplifier more especially for the drive of a time-keeping instrument
SU478427A1 (ru) Мостовой генератор пилообразных импульсов тока
SU748795A1 (ru) Устройство дл формировани радиоимпульсов

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees