Electrical audio signal processing systems and devices – One-way audio signal program distribution
Patent
1994-08-10
1997-02-04
Isen, Forester W.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
381 24, 381187, 455100, 455351, 455 66, H04B 300, H04B 1034
Patent
active
056007302
ABSTRACT:
A swimming training device may be part of an overall training system. The device is deployable releasably in a swimming cap and can receive electromagnetic wave signals. The device can then convert the signals into electrical charges which are then translated into audible sound. The system includes the cap with the receiving device and a transmitting source. The transmitting source allows the broadcasting of verbal instructions, as well as music and timing signals.
REFERENCES:
patent: 3757220 (1973-09-01), Abel
patent: 4321433 (1982-03-01), King
patent: 4673893 (1987-06-01), Shorkey
patent: 5251326 (1993-10-01), Silverman
patent: 5349702 (1994-09-01), Runckel
Kenning John G.
Kenning Peggy J.
Isen Forester W.
Mei Xu
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