Variable ratio full range direct-reflected pyramid inclined loud

Details Variable ratio full range direct-reflected pyramid inclined loud Variable ratio full range direct-reflected pyramid inclined loud

1978-05-09

1979-12-18

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181147, 181154, H04R 120

Patent

active

041795857

ABSTRACT:
A loudspeaker system comprising an enclosure having first and second sidewalls, at least one of which is inclined to the vertical direction and at least one acoustic transducer adjacent each of the aforesaid sidewalls.

REFERENCES:
patent: 2544742 (1951-03-01), Volf
patent: 2792065 (1957-05-01), Gately, Jr.
patent: 2824617 (1958-02-01), Roulet
patent: 3101810 (1963-08-01), Doschek
patent: 3720787 (1973-03-01), Ishii et al.
patent: 4006308 (1977-02-01), Ponsgen
patent: 4073365 (1978-02-01), Johnson

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