3846704 is referenced by 53 patents and cites 4 patents.

Apparatus for evaluating an athletic performance against a predetermined performance characterized by a plurality of lights for affording a visual indication to an observer of the progress of the predetermined performance and displayed so as to be comparable to the athletic performance being evaluated; a settable central control for sequentially energizing the lights responsive to the predetermined performance set into the central control and elapsed time; and a communication link between the central control and the lights. Also disclosed are embodiments which include: (1) a pair of setting dials are included for setting in two separate performance times and operating in either a continuous or sequence mode to allow one or more paces to be employed in training; (2) a variety of other options, such as interrupting temporarily the output to the lights; (3) preferred logic apparatus and construction appropriate to the environment and the observer, be he spectator, training athelete or health enthusiast; and (4) apparatus enabling optimum training of an individual as determined by his physiological response.

Apparatus for evaluating athletic performance
Application Number
Publication Number
Application Date
December 13, 1972
Publication Date
November 5, 1974
Bessette Robert C
Wofford Felsman Fails & Zobal
H04b 01/00
A63B 71/06
A61B 05/24
A61B 05/00
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