CA943235A - Device for measuring a time interval - Google Patents

Device for measuring a time interval

Info

Publication number
CA943235A
CA943235A CA104,851A CA104851A CA943235A CA 943235 A CA943235 A CA 943235A CA 104851 A CA104851 A CA 104851A CA 943235 A CA943235 A CA 943235A
Authority
CA
Canada
Prior art keywords
measuring
time interval
interval
time
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
CA104,851A
Other versions
CA104851S (en
Inventor
Eric Burkhalter
Bernard Hennet
Heinrich Schurch
Daniel Cupelin
Rolf Maier
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.)
Autophon AG
Compagnie des Montres Longines Francillon SA
Original Assignee
Autophon AG
Compagnie des Montres Longines Francillon SA
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 Autophon AG, Compagnie des Montres Longines Francillon SA filed Critical Autophon AG
Application granted granted Critical
Publication of CA943235A publication Critical patent/CA943235A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F13/00—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00
    • G04F13/02—Apparatus for measuring unknown time intervals by means not provided for in groups G04F5/00 - G04F10/00 using optical means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Studio Circuits (AREA)
CA104,851A 1970-02-09 1971-02-09 Device for measuring a time interval Expired CA943235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH179670A CH515549A (en) 1970-02-09 1970-02-09 System for measuring a period of time, in particular for measuring time in sports competitions

Publications (1)

Publication Number Publication Date
CA943235A true CA943235A (en) 1974-03-05

Family

ID=4218788

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104,851A Expired CA943235A (en) 1970-02-09 1971-02-09 Device for measuring a time interval

Country Status (4)

Country Link
JP (1) JPS5331385B2 (en)
CA (1) CA943235A (en)
CH (2) CH179670A4 (en)
DE (1) DE2047653C3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0444604Y2 (en) * 1985-04-19 1992-10-21
EP0384496A3 (en) * 1987-05-21 1990-11-22 Augustin Imhof Method and device for determining the time lapse between start and finish of athletes or suchlike without using a light barrier
DE3716987C1 (en) * 1987-05-21 1988-04-28 Augustin Imhof Method and device for determining the time between the start and finish of competitors or the like.

Also Published As

Publication number Publication date
CH179670A4 (en) 1971-07-15
DE2047653B2 (en) 1973-05-17
DE2047653C3 (en) 1973-11-29
DE2047653A1 (en) 1971-08-12
CH515549A (en) 1971-07-15
JPS49101065A (en) 1974-09-25
JPS5331385B2 (en) 1978-09-02

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