Speed-sensing projectile

Details Speed-sensing projectile Speed-sensing projectile

1998-04-17

1999-08-31

Barlow, John

Data processing: measuring, calibrating, or testing

Measurement system

Speed

702142, G06F 1520

Patent

active

059466430

ABSTRACT:
A speed-sensing projectile such as for example a baseball includes a generally spherical body. An inertial switch is positioned within the body and is actuable between open and closed conditions in response to accelerations of the body greater than a threshold value. A processor also within the body is responsive to the inertial switch and calculates the average speed at which the baseball is thrown over a fixed distance. A visible display on the body is in communication with the processor and displays the calculated speed.

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patent: 5636146 (1997-06-01), Flentor et al.
patent: 5761096 (1998-06-01), Zakutin

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