Speed-sensing projectile
First Claim
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1. A speed-sensing projectile comprising:
- a body;
an inertial switch within said body and actuable between open and closed conditions in response to accelerations of said body;
a processor within said body, said processor being responsive to actuations of said inertial switch to detect launching of said projectile and the subsequent stopping thereof and calculating the average speed of said projectile over the travel thereof; and
a visible display on said body in communication with said processor to display said calculated average speed.
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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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Citations
35 Claims
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1. A speed-sensing projectile comprising:
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a body; an inertial switch within said body and actuable between open and closed conditions in response to accelerations of said body; a processor within said body, said processor being responsive to actuations of said inertial switch to detect launching of said projectile and the subsequent stopping thereof and calculating the average speed of said projectile over the travel thereof; and a visible display on said body in communication with said processor to display said calculated average speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A speed-sensing baseball comprising:
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a generally spherical body; an inertial switch actuable between open and closed conditions in response to accelerations of said body; a processor responsive to said inertial switch to calculate the average speed at which said baseball is thrown over a fixed distance, said inertial switch and said processor being positioned within said body; and a visible display on said body in communication with said processor to display said calculated average speed. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A speed-sensing projectile comprising:
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a body; and a processing and display module within said body to monitor the elapsed time said body takes to travel a fixed distance and to calculate and display the average speed at which said projectile travels over said fixed distance, said processing and display module being reset in response to the detection of a predetermined sequence of events in the form of at least three impacts of said projectile occurring within a specified period of time. - View Dependent Claims (34, 35)
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Specification