High fidelity loudspeaker system for aurally simulating wide fre

Details High fidelity loudspeaker system for aurally simulating wide fre High fidelity loudspeaker system for aurally simulating wide fre

1980-07-18

1982-11-02

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181145, 181147, 181155, H04R 120

Patent

active

043574904

ABSTRACT:
The loudspeaker system utilizes an ellipsoidal reflector of substantially the same diameter as the low frequency (LF) driver, positioned on-axis of the LF driver, as a reflective dispersing means for increasing the angular dispersion of acoustical energy, especially in the upper range of the LF driver. The ellipsoidal reflector is also utilized as a means to mount the higher frequency (HF) drivers in such a way that their axes diverge generally uniformly away from a point near the center of the ellipsoid so that the sound field of the higher frequency drivers is also well dispersed. The result is that the ellipsoid causes acoustical energy both from the LF driver and the HF drivers to appear to emanate from a point near the center of the ellipsoid, simulating the sound field generated by a single wide frequency range point source of sound.

REFERENCES:
patent: 2065367 (1936-12-01), Evans
patent: 2541946 (1951-02-01), Stark
patent: 2732907 (1956-01-01), Leon
patent: 3931867 (1976-01-01), Ianszen
patent: 4006308 (1977-02-01), Ponsgen

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