Voice amplification apparatus

Details Voice amplification apparatus Voice amplification apparatus

1979-11-23

1981-09-15

Stellar, George G.

H04M 105

Patent

active

042899389

ABSTRACT:
Voice amplification apparatus for use by persons whose normal speech processes have been damaged or impaired.
The apparatus includes a microphone unit which is electrically connectable to an amplifier unit and means for enabling the unit to be supported solely from the ear of the user and includes a self-supporting sound energy tube connected at one end to the microphone unit and which is so shaped as to present, when in use, a sound energy input end adjacent to the user's mouth.

REFERENCES:
patent: 3280273 (1966-10-01), Flygstad et al.
patent: 3513269 (1970-05-01), Wilson
patent: 3548118 (1970-12-01), Hutchings
patent: 4118606 (1978-10-01), Larkin

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