Speed, spin rate, and curve measuring device

Details Speed, spin rate, and curve measuring device Speed, spin rate, and curve measuring device

1998-01-14

2000-11-14

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Measurement system

Accelerometer

702149, 702150, 702151, 473198, 473200, 473570, G01P 1500

Patent

active

061482714

ABSTRACT:
A device for measuring a movable object, such as a baseball, football, hockey puck, soccer ball, tennis ball, or a golf ball. Part of the device, called the object unit, is embedded, secured, or attached to the movable object of interest, and consists of an accelerometer network, electronic processor 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 an output display that shows the various measured motion characteristics of the movable object, such as the distance, time of flight, speed, trajectory height, spin rate, or curve of the movable object, and allows the user to input data to the device.

REFERENCES:
patent: 4775948 (1988-10-01), Dial et al.
patent: 5526326 (1996-06-01), Fekete et al.
patent: 5564698 (1996-10-01), Honey et al.
patent: 5761096 (1998-06-01), Zakutin
patent: 5779576 (1998-07-01), Smith, III et al.

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