Games using tangible projectile – Playing field or court game; game element or accessory... – Having at least two different types of game elements used in...
Patent
1996-09-17
1997-09-30
Grieb, William H.
Games using tangible projectile
Playing field or court game; game element or accessory...
Having at least two different types of game elements used in...
A63B 6100
Patent
active
056721285
ABSTRACT:
An electronic switch device designed to detect surface contact along a boundary surface. The electronic switch device can be used as an electronic automated game line comprising a very thin game line mat divided between an in-bounds section and out-of-bounds section and further divided into a plurality of grided switches placed directly upon a playing surface such as a tennis court. The game line mat is sufficiently thin and having a top surface suitable for being painted over with the same paint cover used for a conventional playing surface. Surface contact is defined as being in-bounds or out-of-bounds with approximated contact location provided.
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Grieb William H.
JAB Technologies, Inc.
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