Acoustics – Sound-modifying means – Intensifying horn
Patent
1991-04-29
1993-09-07
Gellner, Michael L.
Acoustics
Sound-modifying means
Intensifying horn
340574, G10K 1100
Patent
active
052431525
ABSTRACT:
A sound anti-muffler provides at least one sound channel to permit sound from a sound generator to travel sideways to the outside air even though a hand is placed over the sound anti-muffler in an attempt to muffle the sound.
REFERENCES:
patent: 2623606 (1952-12-01), Corke
patent: 4303807 (1981-12-01), Sato
patent: 4837559 (1989-06-01), Green, Sr.
patent: 4918738 (1990-04-01), Bader
Dang Khanh
Gellner Michael L.
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