AU8402091A - Device for displaying impacts on ball game court delimitation lines, in particular tennis - Google Patents

Device for displaying impacts on ball game court delimitation lines, in particular tennis

Info

Publication number
AU8402091A
AU8402091A AU84020/91A AU8402091A AU8402091A AU 8402091 A AU8402091 A AU 8402091A AU 84020/91 A AU84020/91 A AU 84020/91A AU 8402091 A AU8402091 A AU 8402091A AU 8402091 A AU8402091 A AU 8402091A
Authority
AU
Australia
Prior art keywords
impacts
displaying
ball game
particular tennis
game court
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.)
Abandoned
Application number
AU84020/91A
Inventor
Gerhard Beckmann
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.)
ING GERHARD BECKMANN KG
Original Assignee
BECKMANN GERHARD KG
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 BECKMANN GERHARD KG filed Critical BECKMANN GERHARD KG
Publication of AU8402091A publication Critical patent/AU8402091A/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06—Apparatus for setting-out or dividing courts
    • A63C19/065—Line markings, e.g. tapes; Methods therefor
    • 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
AU84020/91A 1990-08-30 1991-08-29 Device for displaying impacts on ball game court delimitation lines, in particular tennis Abandoned AU8402091A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027475 1990-08-30
DE19904027475 DE4027475C1 (en) 1990-08-30 1990-08-30

Publications (1)

Publication Number Publication Date
AU8402091A true AU8402091A (en) 1992-03-30

Family

ID=6413257

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84020/91A Abandoned AU8402091A (en) 1990-08-30 1991-08-29 Device for displaying impacts on ball game court delimitation lines, in particular tennis

Country Status (3)

Country Link
AU (1) AU8402091A (en)
DE (1) DE4027475C1 (en)
WO (1) WO1992004083A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394824A (en) * 1992-10-07 1995-03-07 Johnson, Jr.; Lawrence F. Thermochromic sensor for locating an area of contact
CN107684694A (en) * 2016-03-30 2018-02-13 吴敏 A kind of body flexibility ratio device for healing and training

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538811A (en) * 1983-03-07 1985-09-03 Wigoda Luis T Arbitration of tennis by change of colors
AU6655386A (en) * 1985-12-12 1987-06-18 Knaggs, D. Automatic tennis umpire
DE3904458A1 (en) * 1989-02-15 1990-08-23 Helmut Datz Method for the reversible marking of points of impact

Also Published As

Publication number Publication date
WO1992004083A1 (en) 1992-03-19
DE4027475C1 (en) 1992-01-16

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