Undertaking
Patent
1985-09-11
1987-06-23
Picard, Leo P.
Undertaking
272DIG9, 368 10, 340323R, B25J 100
Patent
active
046747435
ABSTRACT:
An athletic training unit having a radio receiver and speakers for informing a music and instructor's messages to an exerciser by a wireless manner. A desired rhythm signal is selectively supplied to the speakers from a rhythm generator so as to provide the musical rhythm to the exerciser. The unit further has a sensor for detecting the pulse of the exerciser so that the exerciser is noticed a fact that his pulse exceeds his safety upper limit for exercising. As the pulse sensor, a pair of an infrared LED and a photo transistor is used.
REFERENCES:
patent: 3492582 (1970-01-01), Heywood
patent: 3846704 (1974-11-01), Bessette
"Heart Computer", ad from Nov. 1980 Popular Science magazine.
Picard Leo P.
Sanden Corporation
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