Loudspeaker system

Details Loudspeaker system Loudspeaker system

1988-03-18

1989-08-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Having non-electrical feature

Loudspeakers driven in given phase relationship

381 90, 381205, 381188, H04R 502

Patent

active

048603635

ABSTRACT:
The present invention includes a loudspeaker system in which sound radiation axes of two speakers in a single loudspeaker unit form an angle with respect to each other in a horizontal plane to increase the size of a listening area. The horizontal angle can be formed by orienting the sound axes of speakers in the loudspeaker unit at an angle in the range of 15 to 45 degrees from each other. The system also includes a phase adjustment system which adjusts the phase of the speakers in each loudspeaker unit so that the phase of the sound from each speaker in each loudspeaker unit is properly adjusted throughout the increased listening area to provide increased sound presence or spread.

REFERENCES:
patent: Re31679 (1984-09-01), Froeschle
patent: 2137032 (1938-11-01), Snow
patent: 3582553 (1971-06-01), Bose
patent: 3754618 (1973-08-01), Sasaki
patent: 4133975 (1979-01-01), Barker, III
patent: 4475620 (1984-10-01), Carlsson
patent: 4596034 (1986-06-01), Moncrieff
patent: 4703502 (1987-10-01), Kasai et al.
patent: 4764960 (1988-08-01), Aoki et al.

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