Multi-ported and multi-directional loudspeaker system

Details Multi-ported and multi-directional loudspeaker system Multi-ported and multi-directional loudspeaker system

1990-06-01

1991-06-25

Brown, Brian W.

Acoustics

Diaphragm and enclosure

Reflex baffle

181196, 381156, H05K 500

Patent

active

050258869

ABSTRACT:
This invention relates to a loudspeaker having a plurality of sound collecting tubes attached to the rear of the speaker frame or the sound collecting tubes forming the speaker frame for collecting and directing sound waves emitted toward the rear of the speaker diaphragm. The sound collecting tubes are particularly useful for directing and boosting sound waves emitted from the rear of the speaker which is otherwise dissipated or absorbed by the loudspeaker housing material or insulation. In addition, conventional or specialized sound horns may be readily attached to the outlet end of the sound collecting tubes which can direct sound waves emitted by the speaker to any desired direction.

REFERENCES:
patent: 2228886 (1941-01-01), Olson
patent: 3993162 (1976-11-01), Juuti
patent: 4616731 (1986-10-01), Robinson
patent: 4655315 (1987-04-01), Saville
patent: 4930596 (1990-06-01), Saiki et al.

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