US3487630A - Balance mechanism for an electronic watch - Google Patents

Balance mechanism for an electronic watch Download PDF

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Publication number
US3487630A
US3487630A US676988A US3487630DA US3487630A US 3487630 A US3487630 A US 3487630A US 676988 A US676988 A US 676988A US 3487630D A US3487630D A US 3487630DA US 3487630 A US3487630 A US 3487630A
Authority
US
United States
Prior art keywords
balance wheel
circuit
wheel
watch
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 - Lifetime
Application number
US676988A
Other languages
English (en)
Inventor
Phillip J Forty
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.)
United States Time Corp
US TIME CORP
Original Assignee
US TIME 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 US TIME CORP filed Critical US TIME CORP
Application granted granted Critical
Publication of US3487630A publication Critical patent/US3487630A/en
Assigned to CHASE MANHATTAN BANK, N.A., THE reassignment CHASE MANHATTAN BANK, N.A., THE SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FREDERIKSPLEIN HOLDING 1970 B.V., TIMEX CLOCK COMPANY, A DE CORP., TIMEX COMPUTERS LTD., A DE CORP., TIMEX CORPORATION, A DE CORP., TIMEX ENTERPRISES, INC., A BERMUDA CORP., TIMEX GROUP LTD., A BERMUDA CORP., TIMEX MEDICAL PRODUCTS LTD., A BERMUDA CORP., TIMEX N.V.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04C3/042—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 mechanical coupling
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels
    • 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
    • G04C3/042—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 mechanical coupling
    • G04C3/045—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 mechanical coupling with constant impulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Control Of Stepping Motors (AREA)
US676988A 1967-09-28 1967-09-28 Balance mechanism for an electronic watch Expired - Lifetime US3487630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67698867A 1967-09-28 1967-09-28

Publications (1)

Publication Number Publication Date
US3487630A true US3487630A (en) 1970-01-06

Family

ID=24716845

Family Applications (1)

Application Number Title Priority Date Filing Date
US676988A Expired - Lifetime US3487630A (en) 1967-09-28 1967-09-28 Balance mechanism for an electronic watch

Country Status (5)

Country Link
US (1) US3487630A (de)
CH (2) CH1436068A4 (de)
DE (1) DE1798185B2 (de)
FR (1) FR1582442A (de)
GB (1) GB1180328A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170038730A1 (en) * 2015-08-04 2017-02-09 Eta Sa Manufacture Horlogere Suisse Timepiece regulating mechanism with magnetically synchronized rotating arms

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944026C2 (de) * 1969-08-29 1984-10-25 Shelcon, Inc., Alhambra, Calif. Plattenförmiges Förderglied

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642714A (en) * 1947-12-23 1953-06-23 Gen Motors Corp Electric clock
FR1304243A (fr) * 1961-10-19 1962-09-21 Pendule électrique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642714A (en) * 1947-12-23 1953-06-23 Gen Motors Corp Electric clock
FR1304243A (fr) * 1961-10-19 1962-09-21 Pendule électrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170038730A1 (en) * 2015-08-04 2017-02-09 Eta Sa Manufacture Horlogere Suisse Timepiece regulating mechanism with magnetically synchronized rotating arms
US9785116B2 (en) * 2015-08-04 2017-10-10 Eta Sa Manufacture Horlogere Suisse Timepiece regulating mechanism with magnetically synchronized rotating arms

Also Published As

Publication number Publication date
DE1798185B2 (de) 1972-02-17
DE1798185A1 (de) 1971-03-18
FR1582442A (de) 1969-09-26
CH504038A (de) 1970-11-13
GB1180328A (en) 1970-02-04
CH1436068A4 (de) 1970-11-13

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Legal Events

Date Code Title Description
AS Assignment

Owner name: CHASE MANHATTAN BANK, N.A., THE

Free format text: SECURITY INTEREST;ASSIGNORS:TIMEX CORPORATION, A DE CORP.;TIMEX COMPUTERS LTD., A DE CORP.;TIMEX CLOCK COMPANY, A DE CORP.;AND OTHERS;REEL/FRAME:004181/0596

Effective date: 19830331