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EP0368878A4 - Ball location system - Google Patents

Ball location system

Info

Publication number
EP0368878A4
EP0368878A4 EP19880905616 EP88905616A EP0368878A4 EP 0368878 A4 EP0368878 A4 EP 0368878A4 EP 19880905616 EP19880905616 EP 19880905616 EP 88905616 A EP88905616 A EP 88905616A EP 0368878 A4 EP0368878 A4 EP 0368878A4
Authority
EP
European Patent Office
Prior art keywords
location system
ball location
ball
location
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.)
Granted
Application number
EP19880905616
Other versions
EP0368878B1 (en
EP0368878A1 (en
Inventor
Bruce Halcro Candy
John Robert 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.)
Caldone Pty Ltd
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
Priority to AT88905616T priority Critical patent/ATE99971T1/en
Publication of EP0368878A1 publication Critical patent/EP0368878A1/en
Publication of EP0368878A4 publication Critical patent/EP0368878A4/en
Application granted granted Critical
Publication of EP0368878B1 publication Critical patent/EP0368878B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
EP19880905616 1987-06-30 1988-06-30 Ball location system Expired - Lifetime EP0368878B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88905616T ATE99971T1 (en) 1987-06-30 1988-06-30 BALL IMPACT LOCATION DETECTION SYSTEM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI280187 1987-06-30
AU2801/87 1987-06-30

Publications (3)

Publication Number Publication Date
EP0368878A1 EP0368878A1 (en) 1990-05-23
EP0368878A4 true EP0368878A4 (en) 1990-10-10
EP0368878B1 EP0368878B1 (en) 1994-01-12

Family

ID=3772278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880905616 Expired - Lifetime EP0368878B1 (en) 1987-06-30 1988-06-30 Ball location system

Country Status (4)

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

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
DE4191503C2 (en) * 1990-06-27 2001-11-29 Tel Technologies Pty Ltd Arrangement and method for detecting the position of a magnetically permeable ball
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 (en) * 1992-10-05 1997-03-13 Helmut Staudt Device for recognizing the position of a ball
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 (en) 2010-11-23 2013-05-08 Fundación Centro De Tecnologías De Interacción Visual Y Comunicaciones Vicomtech Procedure for detecting the point of impact of a ball in sporting events

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527152A (en) * 1979-09-14 1985-07-02 Shin International, Inc. Anti-shoplifting system

Family Cites Families (4)

* 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 (en) * 1977-07-19 1980-08-07 Precitec Gesellschaft Fuer Praezisionstechnik Und Elektronik Mbh & Co Entwicklungs- Und Vertriebs-Kg, 7570 Baden-Baden Device for detecting objects located in the area of an interface
EP0095467B1 (en) * 1981-12-03 1986-12-10 GRAY, George Seymour Line fault detector
DE3543679A1 (en) * 1985-12-11 1986-12-04 Franz 8000 München Kellner System for detecting when tennis balls are out

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527152A (en) * 1979-09-14 1985-07-02 Shin International, Inc. Anti-shoplifting system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8900066A1 *

Also Published As

Publication number Publication date
JP2660033B2 (en) 1997-10-08
JPH02504113A (en) 1990-11-29
EP0368878B1 (en) 1994-01-12
WO1989000066A1 (en) 1989-01-12
DE3887148D1 (en) 1994-02-24
DE3887148T2 (en) 1994-06-01
EP0368878A1 (en) 1990-05-23

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