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Silent subliminal presentation system

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.

Patent number: 5159703
Filing date: Dec 28, 1989
Issue date: Oct 27, 1992
Inventor: Oliver M. Lowery
Silent subliminal presentation system - Google Patents


mind, brain