Horn loudspeakers of the sectorial diffusion type, and method fo

Details Horn loudspeakers of the sectorial diffusion type, and method fo Horn loudspeakers of the sectorial diffusion type, and method fo

1981-05-01

1984-02-07

Fuller, Benjamin R.

Acoustics

Diaphragm

With horn

181151, 181152, 181192, G10K 1110

Patent

active

044297629

ABSTRACT:
There is disclosed a method for making horn loudspeakers, of the sectorial diffusion type, characterized by the transformation, in order to operate under predetermined sectorial diffusion conditions, of a horn loudspeaker, predisposed for circular diffusion, comprising a horn provided with opposite walls the distances whereof increase according to a given law, from the axis of the horn on which the electroacoustic transducer is located, the transformation being carried out by neutralizing the space included between the walls and about the compression chamber associated with the transducer, and in the directions in which the diffusion is not desired, by using a substantially fibrous material and effective to absorb or deaden the acoustic energy or power.

REFERENCES:
patent: 3866710 (1975-02-01), Cesati
patent: 3944757 (1976-03-01), Tsukamoto

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