DE3887148D1 - System zur ortsfeststellung eines ballaufpralls. - Google Patents

System zur ortsfeststellung eines ballaufpralls.

Info

Publication number
DE3887148D1
DE3887148D1 DE88905616T DE3887148T DE3887148D1 DE 3887148 D1 DE3887148 D1 DE 3887148D1 DE 88905616 T DE88905616 T DE 88905616T DE 3887148 T DE3887148 T DE 3887148T DE 3887148 D1 DE3887148 D1 DE 3887148D1
Authority
DE
Germany
Prior art keywords
detecting
ball impact
ball
impact
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
DE88905616T
Other languages
English (en)
Other versions
DE3887148T2 (de
Inventor
Bruce Candy
John Baxter
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.)
TEL TECHNOLOGIES PTY LTD., PORT VILA, VU
Original Assignee
Caldone Pty 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 Caldone Pty Ltd filed Critical Caldone Pty Ltd
Publication of DE3887148D1 publication Critical patent/DE3887148D1/de
Application granted granted Critical
Publication of DE3887148T2 publication Critical patent/DE3887148T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605—Decision makers and devices using detection means facilitating arbitration
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605—Decision makers and devices using detection means facilitating arbitration
    • A63B2071/0611—Automatic tennis linesmen, i.e. in-out detectors

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE3887148T 1987-06-30 1988-06-30 System zur ortsfeststellung eines ballaufpralls. Expired - Fee Related DE3887148T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI280187 1987-06-30
PCT/AU1988/000229 WO1989000066A1 (en) 1987-06-30 1988-06-30 Ball location system

Publications (2)

Publication Number Publication Date
DE3887148D1 true DE3887148D1 (de) 1994-02-24
DE3887148T2 DE3887148T2 (de) 1994-06-01

Family

ID=3772278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887148T Expired - Fee Related DE3887148T2 (de) 1987-06-30 1988-06-30 System zur ortsfeststellung eines ballaufpralls.

Country Status (4)

Country Link
EP (1) EP0368878B1 (de)
JP (1) JP2660033B2 (de)
DE (1) DE3887148T2 (de)
WO (1) WO1989000066A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8920204D0 (en) * 1989-09-07 1989-10-18 Saitek Ltd Sensory games
US5303915A (en) * 1990-06-27 1994-04-19 Caldone Pty Limited Tennis ball to line location
US5082263A (en) * 1990-11-06 1992-01-21 Richard Berger Method of and system for determining position of tennis ball relative to tennis court, and tennis ball provided therefor
US5551688A (en) * 1992-04-01 1996-09-03 Wilson Sporting Goods Co. Magnetically detectable tennis ball
DE4233341C2 (de) * 1992-10-05 1997-03-13 Helmut Staudt Einrichtung zur Erkennung der Position eines Balles
WO1994011070A1 (en) * 1992-11-17 1994-05-26 George Seymour Gray Electronic tennis ball detection system
GB9315904D0 (en) * 1993-07-31 1993-09-15 Allen John Missile detection and location
ES2402728T3 (es) 2010-11-23 2013-05-08 Fundación Centro De Tecnologías De Interacción Visual Y Comunicaciones Vicomtech Procedimiento para la detección del punto de impacto de una pelota en eventos deportivos

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774194A (en) * 1972-01-12 1973-11-20 P Jokay Game court boundary indicator system
DE2732543C3 (de) * 1977-07-19 1980-08-07 Precitec Gesellschaft Fuer Praezisionstechnik Und Elektronik Mbh & Co Entwicklungs- Und Vertriebs-Kg, 7570 Baden-Baden Vorrichtung zur Erfassung von sich im Gebiet einer Grenzfläche befindenden Objekten
CA1138955A (en) * 1979-09-14 1983-01-04 Edward R. Fearon Anti-shoplifting system
DE3274622D1 (en) * 1981-12-03 1987-01-22 George Seymour Gray Line fault detector
DE3543679A1 (de) * 1985-12-11 1986-12-04 Franz 8000 München Kellner Ball-aus erkennung beim tennis

Also Published As

Publication number Publication date
EP0368878A1 (de) 1990-05-23
JPH02504113A (ja) 1990-11-29
EP0368878B1 (de) 1994-01-12
DE3887148T2 (de) 1994-06-01
JP2660033B2 (ja) 1997-10-08
EP0368878A4 (en) 1990-10-10
WO1989000066A1 (en) 1989-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8327 Change in the person/name/address of the patent owner

Owner name: TEL TECHNOLOGIES PTY LTD., PORT VILA, VU

8339 Ceased/non-payment of the annual fee