GB1343340A - Horological instrument - Google Patents

Horological instrument

Info

Publication number
GB1343340A
GB1343340A GB3175171A GB3175171A GB1343340A GB 1343340 A GB1343340 A GB 1343340A GB 3175171 A GB3175171 A GB 3175171A GB 3175171 A GB3175171 A GB 3175171A GB 1343340 A GB1343340 A GB 1343340A
Authority
GB
United Kingdom
Prior art keywords
coil
current
balance
circuit
transistor
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
GB3175171A
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.)
Timex Group USA Inc
Original Assignee
Timex Corp
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 Timex Corp filed Critical Timex Corp
Publication of GB1343340A publication Critical patent/GB1343340A/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
    • G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
    • 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)
  • Electromechanical Clocks (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
GB3175171A 1970-07-06 1971-07-06 Horological instrument Expired GB1343340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4784270A 1970-07-06 1970-07-06

Publications (1)

Publication Number Publication Date
GB1343340A true GB1343340A (en) 1974-01-10

Family

ID=21951297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3175171A Expired GB1343340A (en) 1970-07-06 1971-07-06 Horological instrument

Country Status (6)

Country Link
US (1) US3667210A (enrdf_load_stackoverflow)
CA (1) CA941623A (enrdf_load_stackoverflow)
CH (2) CH989171A4 (enrdf_load_stackoverflow)
DE (1) DE2133596A1 (enrdf_load_stackoverflow)
FR (1) FR2098192B1 (enrdf_load_stackoverflow)
GB (1) GB1343340A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1903364A1 (en) * 2006-09-25 2008-03-26 Dialog Imaging Systems GmbH Compact camera module with stationary actutor for zoom modules with movable shutter and aperture mechanism
EP1903363B1 (en) * 2006-09-25 2010-03-17 Dialog Imaging Systems GmbH Compact camera modules with horological stepper motor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801958A (en) * 1928-10-11 1931-04-21 Haydon Arthur William Reversing single-phase induction motor
FR86973E (fr) * 1960-12-24 1966-05-20 Houilleres Bassin Du Nord Procédé pour l'obtention d'agglomérés brûlant sans fumée et agglomérés ainsi obtenus
DE1205464B (de) * 1961-08-24 1965-11-18 United States Time Corp Gangregler
DE1523968B2 (de) * 1965-05-25 1973-01-04 Kakubari, Shigeru, Tokio Elektronischer Zeitmesser
US3496391A (en) * 1967-12-07 1970-02-17 Clarence Hunter Mcshan Resonant device

Also Published As

Publication number Publication date
FR2098192B1 (enrdf_load_stackoverflow) 1974-10-11
FR2098192A1 (enrdf_load_stackoverflow) 1972-03-10
DE2133596A1 (de) 1972-01-20
CA941623A (en) 1974-02-12
CH989171A4 (enrdf_load_stackoverflow) 1973-06-15
CH542473A (de) 1973-06-15
US3667210A (en) 1972-06-06

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Legal Events

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