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GB2208438B - Apparatus for measuring the speed of a projectile - Google Patents

Apparatus for measuring the speed of a projectile

Info

Publication number
GB2208438B
GB2208438B GB8718633A GB8718633A GB2208438B GB 2208438 B GB2208438 B GB 2208438B GB 8718633 A GB8718633 A GB 8718633A GB 8718633 A GB8718633 A GB 8718633A GB 2208438 B GB2208438 B GB 2208438B
Authority
GB
United Kingdom
Prior art keywords
projectile
measuring
speed
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 - Fee Related
Application number
GB8718633A
Other versions
GB8718633D0 (en
GB2208438A (en
Inventor
Tak-Hoi Wong
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.)
3A ELECTRONICS Ltd
Original Assignee
3A ELECTRONICS Ltd
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 3A ELECTRONICS Ltd filed Critical 3A ELECTRONICS Ltd
Priority to GB8718633A priority Critical patent/GB2208438B/en
Publication of GB8718633D0 publication Critical patent/GB8718633D0/en
Publication of GB2208438A publication Critical patent/GB2208438A/en
Application granted granted Critical
Publication of GB2208438B publication Critical patent/GB2208438B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8718633A 1987-08-06 1987-08-06 Apparatus for measuring the speed of a projectile Expired - Fee Related GB2208438B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8718633A GB2208438B (en) 1987-08-06 1987-08-06 Apparatus for measuring the speed of a projectile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8718633A GB2208438B (en) 1987-08-06 1987-08-06 Apparatus for measuring the speed of a projectile

Publications (3)

Publication Number Publication Date
GB8718633D0 GB8718633D0 (en) 1987-09-09
GB2208438A GB2208438A (en) 1989-03-30
GB2208438B true GB2208438B (en) 1992-04-01

Family

ID=10621908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8718633A Expired - Fee Related GB2208438B (en) 1987-08-06 1987-08-06 Apparatus for measuring the speed of a projectile

Country Status (1)

Country Link
GB (1) GB2208438B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754921B1 (en) * 1996-10-22 1998-12-18 Dziulko Adolphe Richard WATCH TENNIS SERVICES FOR INSTANT VIEWING OF THE SPEED OF THE SERVICE BALL
US8690711B2 (en) * 2011-04-19 2014-04-08 Nike, Inc. Data display on golf ball outer surface

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1002524A (en) * 1962-07-31 1965-08-25 Junius Myer Schine Game practice means
GB1116445A (en) * 1965-07-07 1968-06-06 Germain Burger Improvements relating to golf practice devices
FR2561408A1 (en) * 1984-03-15 1985-09-20 Esperonnat Gilles D Device for measuring the time of flight of a projectile
GB2190846A (en) * 1986-05-28 1987-12-02 Tsukuda Original Ball
GB2198232A (en) * 1986-11-28 1988-06-08 Ozen Corp Speed measuring apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1002524A (en) * 1962-07-31 1965-08-25 Junius Myer Schine Game practice means
GB1116445A (en) * 1965-07-07 1968-06-06 Germain Burger Improvements relating to golf practice devices
FR2561408A1 (en) * 1984-03-15 1985-09-20 Esperonnat Gilles D Device for measuring the time of flight of a projectile
GB2190846A (en) * 1986-05-28 1987-12-02 Tsukuda Original Ball
GB2198232A (en) * 1986-11-28 1988-06-08 Ozen Corp Speed measuring apparatus

Also Published As

Publication number Publication date
GB8718633D0 (en) 1987-09-09
GB2208438A (en) 1989-03-30

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Legal Events

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

Effective date: 19970806