CA970862A - Synchronized quartz crystal watch - Google Patents

Synchronized quartz crystal watch

Info

Publication number
CA970862A
CA970862A CA141,212A CA141212A CA970862A CA 970862 A CA970862 A CA 970862A CA 141212 A CA141212 A CA 141212A CA 970862 A CA970862 A CA 970862A
Authority
CA
Canada
Prior art keywords
synchronized
quartz crystal
crystal watch
watch
quartz
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
CA141,212A
Other languages
English (en)
Other versions
CA141212S (en
Inventor
Leo Wiesner
Norman C. Zatsky
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
Application granted granted Critical
Publication of CA970862A publication Critical patent/CA970862A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
CA141,212A 1971-05-18 1972-05-03 Synchronized quartz crystal watch Expired CA970862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14460171A 1971-05-18 1971-05-18

Publications (1)

Publication Number Publication Date
CA970862A true CA970862A (en) 1975-07-08

Family

ID=22509309

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,212A Expired CA970862A (en) 1971-05-18 1972-05-03 Synchronized quartz crystal watch

Country Status (11)

Country Link
US (1) US3756014A (fr)
JP (1) JPS5226472B1 (fr)
AU (1) AU456330B2 (fr)
BE (1) BE783649A (fr)
CA (1) CA970862A (fr)
CH (1) CH551038A (fr)
DE (1) DE2222936A1 (fr)
FR (1) FR2138117B1 (fr)
GB (1) GB1344769A (fr)
IT (1) IT957908B (fr)
NL (1) NL7206659A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450071A (en) * 1972-10-02 1976-09-22 Citizen Watch Co Lgd Electronic timepiece
FR2202318B1 (fr) * 1972-10-11 1976-10-29 Hatot Leon Ets
US3967442A (en) * 1973-02-01 1976-07-06 Berney Jean Claude Electric watch having an electromechanical movement including a correction mechanism for small errors
CA1056166A (fr) * 1975-03-27 1979-06-12 Jauch, Heinz Methode et appareil pour la synchronisation d'un systeme mecanique oscillant avec un etalon precis a quartz
JPS525566A (en) * 1975-07-02 1977-01-17 Citizen Watch Co Ltd Electric clock
US4068462A (en) * 1976-05-17 1978-01-17 Fairchild Camera And Instrument Corporation Frequency adjustment circuit
US4401977A (en) * 1980-01-07 1983-08-30 Mastiff Security Systems Limited Radio transmitter for repeated bursts of oscillations
FR2521741A1 (fr) * 1982-02-17 1983-08-19 Gorgy Timing Horloge secondaire a aiguille seconde
CH665082GA3 (fr) * 1986-03-26 1988-04-29
US4799003A (en) * 1987-05-28 1989-01-17 Tu Xuan M Mechanical-to-electrical energy converter
EP3130966B1 (fr) * 2015-08-11 2018-08-01 ETA SA Manufacture Horlogère Suisse Mouvement d'horlogerie mecanique muni d'un systeme de retroaction du mouvement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS42801Y1 (fr) * 1964-04-21 1967-01-18
CH490710A (fr) * 1966-02-10 1969-08-15 Suisse Horlogerie Pièce d'horlogerie électronique
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element
GB1205753A (en) * 1966-09-09 1970-09-16 Smiths Industries Ltd Horological instruments incorporating electrical oscillation generators
US3564829A (en) * 1967-10-19 1971-02-23 Kiyohiro Tsuzuki Apparatus and method for spinning yarn
JPH069145Y2 (ja) * 1988-07-19 1994-03-09 鐘淵化学工業株式会社 建築物の断熱壁構造

Also Published As

Publication number Publication date
DE2222936A1 (de) 1972-11-30
FR2138117B1 (fr) 1974-12-27
AU456330B2 (en) 1974-12-12
JPS5226472B1 (fr) 1977-07-14
GB1344769A (en) 1974-01-23
FR2138117A1 (fr) 1972-12-29
AU4222772A (en) 1973-11-15
CH723872A4 (fr) 1973-12-28
IT957908B (it) 1973-10-20
CH551038A (fr) 1974-06-28
NL7206659A (fr) 1972-11-21
US3756014A (en) 1973-09-04
BE783649A (fr) 1972-09-18

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