Speaker structure

Details Speaker structure Speaker structure

1976-09-15

1979-03-06

Tomsky, Stephen J.

Acoustics

Diaphragm and enclosure

Reflex baffle

181154, 181199, H05K 500, A47B 8106

Patent

active

041426045

ABSTRACT:
A speaker structure comprising a tetrahedronal shell having an upper end and an equilateral triangular base with equisized triangular walls and with the margins of the adjacent walls and base being secured together and wherein one of the walls includes a pattern of port openings and these openings are arranged about a central opening spanned by a speaker which is fixed thereabout.

REFERENCES:
patent: 1875171 (1932-08-01), Sprague et al.
patent: 2036832 (1936-04-01), Scheldorf
patent: 2206012 (1940-07-01), Hart
patent: 2544742 (1951-03-01), Volf
patent: 2792069 (1957-05-01), Gately, Jr.
patent: 2890297 (1959-06-01), Lehr
patent: 2915588 (1959-12-01), Bose
patent: 3578103 (1971-05-01), Lennes
patent: 4006308 (1977-02-01), Ponsgen
patent: 4033430 (1977-07-01), Bolden
Publication "Direct Radiator Loudspeaker Enclosures" by Harry F. Olson, Audio Engineering - Nov. 1951, p. 34, vol. 35, Issue 11.

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