IT952387B - STOPWATCH WITH QUARTZ OSCILLATOR CONTROL - Google Patents

STOPWATCH WITH QUARTZ OSCILLATOR CONTROL

Info

Publication number
IT952387B
IT952387B IT49232/72A IT4923272A IT952387B IT 952387 B IT952387 B IT 952387B IT 49232/72 A IT49232/72 A IT 49232/72A IT 4923272 A IT4923272 A IT 4923272A IT 952387 B IT952387 B IT 952387B
Authority
IT
Italy
Prior art keywords
stopwatch
quartz oscillator
oscillator control
control
quartz
Prior art date
Application number
IT49232/72A
Other languages
Italian (it)
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 IT952387B publication Critical patent/IT952387B/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • 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
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
IT49232/72A 1971-03-24 1972-03-24 STOPWATCH WITH QUARTZ OSCILLATOR CONTROL IT952387B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12772471A 1971-03-24 1971-03-24

Publications (1)

Publication Number Publication Date
IT952387B true IT952387B (en) 1973-07-20

Family

ID=22431613

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49232/72A IT952387B (en) 1971-03-24 1972-03-24 STOPWATCH WITH QUARTZ OSCILLATOR CONTROL

Country Status (10)

Country Link
US (1) US3766729A (en)
AU (1) AU466534B2 (en)
BE (1) BE781185A (en)
CA (1) CA994459A (en)
CH (2) CH552846A (en)
FR (1) FR2130693B1 (en)
GB (1) GB1380464A (en)
IT (1) IT952387B (en)
NL (1) NL7203885A (en)
SE (1) SE7203776L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266291A (en) * 1977-12-27 1981-05-05 Iida Sankyo Co., Ltd. Electromagnetic swing device
US5479153A (en) * 1993-10-26 1995-12-26 Hankscraft Motors, Inc. Method and apparatus for displaying an object
KR20100040971A (en) * 2007-08-10 2010-04-21 오스람 게젤샤프트 미트 베쉬랭크터 하프퉁 Light for at least one led and transmitter for generating a radio signal for such a light

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144903A (en) * 1965-07-22 1969-03-12 Smiths Industries Ltd Improvements in or relating to horological instruments
FR1517115A (en) * 1966-02-10 1968-03-15 Suisse Horlogerie Electronic watch
US3509437A (en) * 1966-09-08 1970-04-28 Citizen Watch Co Ltd Timepiece drive
US3597915A (en) * 1968-11-05 1971-08-10 Susumu Aizawa Driving device of electronic watch
US3568017A (en) * 1969-08-04 1971-03-02 Voumard Machines Co Sa Push-pull oscillator for sustaining the oscillations of a resonator
US3555810A (en) * 1969-12-29 1971-01-19 Timex Corp Horological indexing device

Also Published As

Publication number Publication date
CH552846A (en) 1974-08-15
BE781185A (en) 1972-07-17
AU466534B2 (en) 1973-09-27
CH445372A4 (en) 1974-02-15
AU4034872A (en) 1973-09-27
CA994459A (en) 1976-08-03
US3766729A (en) 1973-10-23
GB1380464A (en) 1975-01-15
DE2213699A1 (en) 1972-09-28
SE7203776L (en) 1972-09-25
NL7203885A (en) 1972-09-26
FR2130693A1 (en) 1972-11-03
DE2213699B2 (en) 1975-10-30
FR2130693B1 (en) 1976-10-29

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