System for training a pitcher to pitch a baseball

Details System for training a pitcher to pitch a baseball System for training a pitcher to pitch a baseball

1994-05-03

1999-11-16

Layno, Benjamin H.

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

473422, 473453, 473454, 473458, A63B 6900

Patent

active

059848103

ABSTRACT:
A system for measuring and analyzing body mechanics of a subject includes receivers, transmitters, a display and a processor. The processor which includes a controller which controls the timing of signals from the transmitters so that a signal from each of the transmitters contains an encoded signature which unambiguously identifies the signal as coming from that particular the transmitter. The processor also include a detector which detects signal transmissions as the signal transmissions arrive at the receivers, a signature determinator which recognizes the signature and determines from which particular transmitter the detected signal originated, a local timer which measures a temporal delay between times of emission of the signals from the transmitters and their detection at the receivers. A calculator computes geometric distances between each of the transmitters and each of the receivers and which also calculates a three-dimensional position of each of the receivers by using the geometric distances and known position of the transmitters.

REFERENCES:
patent: 3717857 (1973-02-01), Evans
patent: 4137566 (1979-01-01), Haas
patent: 4524931 (1985-06-01), Nilsson
patent: 5067717 (1991-11-01), Harlan
patent: 5281961 (1994-01-01), Elwell
patent: 5493910 (1996-02-01), Hall
patent: 5495358 (1996-02-01), Bartig

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