Silent subliminal presentation system

Details Silent subliminal presentation system Silent subliminal presentation system

1989-12-28

1992-10-27

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Frequency or phase modulation

455 46, 455 66, 381 731, 1284205, H04B 700, H04R 2500, H04R 302

Patent

active

051597039

ABSTRACT:
A silent communications system in which nonaural carriers, in the very low or very high audio frequency range or in the adjacent ultrasonic frequency spectrum, are amplitude or frequency modulated with the desired intelligence and propagated acoustically or vibrationally, for inducement into the brain, typically through the use of loudspeakers, earphones or piezoelectric transducers. The modulated carriers may be transmitted directly in real time or may be conveniently recorded and stored on mechanical, magnetic or optical media for delayed or repeated transmission to the listener.

REFERENCES:
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patent: 3393279 (1968-07-01), Flanagan
patent: 3712292 (1973-01-01), Zentmeyer, Jr.
patent: 4141344 (1979-02-01), Barbara
patent: 4395600 (1983-07-01), Lundy et al.
patent: 4463392 (1984-07-01), Fischer et al.
patent: 4777529 (1988-10-01), Schultz et al.
patent: 4834701 (1989-05-01), Masaki
patent: 4877027 (1989-10-01), Brunkan

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