Sound distributor with symmetry of revolution

Details Sound distributor with symmetry of revolution Sound distributor with symmetry of revolution

1993-05-21

1994-03-29

Gellner, Michael L.

Acoustics

Diaphragm and enclosure

With horn

181153, 181155, H05K 500

Patent

active

052986900

ABSTRACT:
The invention relates to a sound distributor with symmetry of revolution. The distributor comprises two sound reflecting cups, having a convex shape which is an exponential of surface revolution about a fictitious axis. The outer surfaces of these cups are arranged in tail to tail manner. The distributor has at least one sound source positioned facing a small opening of one of the cups. Around an opening in the bottom of the second cup, the distributor also has a trumpet-shaped reflector and a cone-shaped reflector for directing sound along the axis.

REFERENCES:
patent: 2956636 (1960-10-01), Boersma
patent: 3649776 (1972-03-01), Burton
patent: 4157741 (1979-06-01), Goldwater
patent: 4496021 (1985-01-01), Berlant
patent: 5115882 (1992-05-01), Woody

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