06073086 is referenced by 147 patents and cites 5 patents.

A device for measuring the time of flight, speed, and trajectory height of a projectile, such as a baseball, football, hockey puck, or model rocket, or the time and speed of swing of a movable object, such as a baseball bat or golf club. Part of the device, called the object unit, is embedded, secured, or attached to the projectile or movable object of interest, and consists of an acceleration sensor, threshold circuit, and a radio transmitter. The other part of the device, called the monitor unit, is held or worn by the user and serves as the user interface for the device. The monitor unit has a radio receiver, a processor, an input keypad, and a display that shows the various measured motion characteristics of the projectile or movable object, such as distance, time of flight, speed, and trajectory height, and allows the user to input data to the device.

Title
Time of motion, speed, and trajectory height measuring device
Application Number
9/7240
Publication Number
6073086
Application Date
January 14, 1998
Publication Date
June 6, 2000
Inventor
Dave Marinelli
Superior
CO, US
Agent
James R Young
Assignee
Silicon Pie
CO, US
IPC
G06F 15/00
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