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1. AU1993047032 - Method and device for determining whether the point of impact of a ball is inside or outside specified limits on a playing surface

Amt Australien
Aktenzeichen/Anmeldenummer 47032/93
Anmeldedatum 28.07.1993
Veröffentlichungsnummer 1993047032
Veröffentlichungsdatum 23.06.1994
Veröffentlichungsart A
IPC
A63B 71/06
ATäglicher Lebensbedarf
63Sport; Spiele; Vergnügung
BGeräte für Körperübungen, Turngeräte, Gymnastik, zum Schwimmen, Klettern oder Fechten; Ballspiele; Trainingseinrichtungen
71Spiel- oder Sportzubehör, soweit nicht von den Gruppen A63B1/-A63B69/106
06Anzeige- oder Zählvorrichtungen für Spiele oder Spieler
CPC
A63B 71/0605
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
71Games or sports accessories not covered in groups A63B1/00 - A63B69/00
06Indicating or scoring devices for games or players ; , or for other sports activities
0605Decision makers and devices using detection means facilitating arbitration
A63B 2071/0611
AHUMAN NECESSITIES
63SPORTS; GAMES; AMUSEMENTS
BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
71Games or sports accessories not covered in groups A63B1/00 - A63B69/00
06Indicating or scoring devices for games or players ; , or for other sports activities
0605Decision makers and devices using detection means facilitating arbitration
0611Automatic tennis linesmen, i.e. in-out detectors
Anmelder Gelenk, Peter
Erfinder Gelenk, Peter
Prioritätsdaten 4225109 30.07.1992 DE
Titel
(EN) Method and device for determining whether the point of impact of a ball is inside or outside specified limits on a playing surface
Zusammenfassung
(EN)
The invention concerns a method and a device for determining whether the point of impact of a ball is inside or outside specified limits on a playing surface (10). At least three sensors (28, 30, 32, 34, 36, 38) which convert acoustic waves into electrical signals are placed immediately above ground lever at various points on the playing surface (10) and in the zone surrounding the playing surface, the sensors being screened from acoustic waves incident from above. The differences between the times at which signals are generated by the sensors when a ball hits the ground are determined. Using these time differences, and stored values associated with the limits of the playing surface, the device decides automatically whether the point of impact of the ball was inside or outside the limits and generates an appropriate signal.

Auch veröffentlicht als
DE4393674