GB2042775B - Stopwatch or chronograph - Google Patents

Stopwatch or chronograph

Info

Publication number
GB2042775B
GB2042775B GB8004597A GB8004597A GB2042775B GB 2042775 B GB2042775 B GB 2042775B GB 8004597 A GB8004597 A GB 8004597A GB 8004597 A GB8004597 A GB 8004597A GB 2042775 B GB2042775 B GB 2042775B
Authority
GB
United Kingdom
Prior art keywords
chronograph
stopwatch
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
GB8004597A
Other versions
GB2042775A (en
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB2042775A publication Critical patent/GB2042775A/en
Application granted granted Critical
Publication of GB2042775B publication Critical patent/GB2042775B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Recording Measured Values (AREA)
  • Printers Characterized By Their Purpose (AREA)
GB8004597A 1979-02-19 1980-02-12 Stopwatch or chronograph Expired GB2042775B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1992479U JPS55119988U (en) 1979-02-19 1979-02-19

Publications (2)

Publication Number Publication Date
GB2042775A GB2042775A (en) 1980-09-24
GB2042775B true GB2042775B (en) 1983-02-23

Family

ID=12012764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8004597A Expired GB2042775B (en) 1979-02-19 1980-02-12 Stopwatch or chronograph

Country Status (3)

Country Link
JP (1) JPS55119988U (en)
DE (1) DE3005822A1 (en)
GB (1) GB2042775B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248565A1 (en) * 1982-12-30 1984-07-05 Peter Dipl.-Ing. 7000 Stuttgart Doslik Time interval measurement device
GB2159642B (en) * 1984-05-31 1987-11-11 Christopher Magnay Improvements in or relating to calculators
JPS6135388A (en) * 1984-07-27 1986-02-19 Casio Comput Co Ltd Electronic wrist watch with printer
FR2604810B1 (en) * 1986-10-06 1991-02-01 Millier Roger Jules ELECTRONIC TIMING AND CLASSIFICATION DEVICE FOR EQUESTRIAN JUMP COMPETITION
FR2743436B1 (en) * 1994-10-28 1998-05-07 Barbero Patrick TECHNIQUE FOR CALCULATING THE LENGTH AND CADENCE OF HUMAN OR ANIMAL ATHLETE CROWDS
US5854774A (en) * 1996-07-15 1998-12-29 Timme; Lissa A. Medical timing system
US6817192B2 (en) 2001-04-23 2004-11-16 Ralph A. Ector, Jr. Device to record age of food

Also Published As

Publication number Publication date
JPS55119988U (en) 1980-08-25
GB2042775A (en) 1980-09-24
DE3005822A1 (en) 1980-08-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930212