CA957515A - Synchronized contact watch - Google Patents

Synchronized contact watch

Info

Publication number
CA957515A
CA957515A CA138,925A CA138925A CA957515A CA 957515 A CA957515 A CA 957515A CA 138925 A CA138925 A CA 138925A CA 957515 A CA957515 A CA 957515A
Authority
CA
Canada
Prior art keywords
synchronized contact
watch
contact watch
synchronized
contact
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
CA138,925A
Other languages
English (en)
Other versions
CA138925S (en
Inventor
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 CA957515A publication Critical patent/CA957515A/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
    • 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
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
CA138,925A 1971-04-05 1972-04-05 Synchronized contact watch Expired CA957515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13123771A 1971-04-05 1971-04-05

Publications (1)

Publication Number Publication Date
CA957515A true CA957515A (en) 1974-11-12

Family

ID=22448547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,925A Expired CA957515A (en) 1971-04-05 1972-04-05 Synchronized contact watch

Country Status (13)

Country Link
US (1) US3699762A (xx)
JP (1) JPS5219976B1 (xx)
AU (1) AU452762B2 (xx)
BE (1) BE781676A (xx)
CA (1) CA957515A (xx)
CH (2) CH493572A4 (xx)
DE (1) DE2216406B2 (xx)
FR (1) FR2132465B1 (xx)
GB (1) GB1366251A (xx)
IT (1) IT960861B (xx)
NL (1) NL7204529A (xx)
NO (1) NO133468C (xx)
SE (1) SE388949B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319944B2 (xx) * 1971-09-25 1978-06-23
DE2302884C3 (de) * 1973-01-20 1975-06-19 Bifora-Uhren J. Bidlingmaier Gmbh, 7070 Schwaebisch Gmuend Kontaktgesteuerte elektrische Kleinuhr
GB1467248A (en) * 1973-07-30 1977-03-16 Horstmann Magnetics Ltd Electric motors
US3978652A (en) * 1975-06-19 1976-09-07 Timex Corporation Formed contact spring for electro-mechanical watches
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
DE3508637C1 (de) * 1985-03-11 1986-06-12 Joseph Kieninger Uhrenfabrik GmbH, 7209 Aldingen Grossuhr mit mechanischem Antrieb

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424833A (en) * 1944-10-18 1947-07-29 Rca Corp Frequency comparison and control circuit
US3309590A (en) * 1961-03-31 1967-03-14 Reich Robert Walter Magnetic impelling system for mechanical oscillators
US3167906A (en) * 1962-08-31 1965-02-02 Kokusai Electric Co Ltd Timekeeper corrected by electric time signals
US3212252A (en) * 1963-06-04 1965-10-19 Citizen Watch Co Ltd Vibratory motor and controlled circuit for a small timepiece
US3292064A (en) * 1964-03-16 1966-12-13 Gen Electric Frequency regulated chronometer
US3282042A (en) * 1964-09-10 1966-11-01 Bulova Watch Co Inc Crystal controlled chronometer
US3407344A (en) * 1964-09-26 1968-10-22 Shigeru Kakubari Electronic timekeeper
US3451210A (en) * 1966-07-01 1969-06-24 Benrus Corp System for maintaining oscillations in an electric timing mechanism having an oscillatory element

Also Published As

Publication number Publication date
US3699762A (en) 1972-10-24
JPS5219976B1 (xx) 1977-05-31
IT960861B (it) 1973-11-30
CH548637A (xx) 1974-04-30
AU4079472A (en) 1973-10-11
DE2216406A1 (de) 1972-10-19
NO133468B (xx) 1976-01-26
FR2132465A1 (xx) 1972-11-17
NO133468C (xx) 1976-05-05
CH493572A4 (xx) 1973-11-15
BE781676A (fr) 1972-10-05
GB1366251A (en) 1974-09-11
DE2216406B2 (de) 1974-06-12
FR2132465B1 (xx) 1977-01-14
NL7204529A (xx) 1972-10-09
AU452762B2 (en) 1974-08-23
SE388949B (sv) 1976-10-18

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