Device for aiding persons having a speech handicap

Details Device for aiding persons having a speech handicap Device for aiding persons having a speech handicap

1978-05-08

1980-04-15

Morrison, Malcolm A.

Surgery

Truss

Pad

128774, 128905, A61N 136

Patent

active

041985427

ABSTRACT:
A device for aiding persons having a speech handicap, comprising a first transducer capable of picking up and transforming into an electrical signal the vibrations emitted by an element such as one of the vocal chords of the phonation mechanism of the person. In a first embodiment of the invention, the signal is treated by an electronic circuit comprising an amplifier which feeds a second transducer acting on another element such as the other vocal chord of the phonation mechanism so as to facilitate or reinforce the formation of sounds produced by said mechanism; in a second embodiment of the invention, the amplifier is followed by a rectifier feeding the second transducer which produces a mechanical action, like tension, in another element such as a muscle of the phonation mechanism in order to help close the glottis of the handicapped person.

REFERENCES:
patent: 2374090 (1945-04-01), French
patent: 3628538 (1971-12-01), Vincent et al.

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