Apparatus for accurately determining a moving ball's position and speed
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United States of America Patent
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Feb 11, 1997
Issued Date -
N/A
app pub date -
Apr 1, 1994
filing date -
Apr 1, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is to an apparatus and method for determining the position and speed of a pitched ball. A collection box includes arrays of pulsed infrared emitter sensor pairs. As a ball passes between the emitter/sensor pairs, the signal between at least two emitter/sensor pairs are interrupted. The position of the interrupted emitter/sensor pairs and the time the signal between an emitter/sensor pair indicates the position and speed of the pitched ball.
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