Anechoic chamber arrangement

Details Anechoic chamber arrangement Anechoic chamber arrangement

1981-06-08

1983-06-14

Tarcza, Thomas H.

Acoustics

Diaphragm and enclosure

Recessed

52 65, 181198, 181295, H05K 500, E04B 182, A47B 8106

Patent

active

043877869

ABSTRACT:
An anechoic chamber having a rotatable corner in the nature of a rotating door which permits the selection of a desired one of four right angle corners to be introduced into operative engagement with the room. In the use of the anechoic chamber, with a selected corner in position facing into the chamber, a sound seal is provided about the periphery of the frame of the rotating door. The walls of the anechoic chamber are covered by sound absorbent material, and one of the four corners which may be positioned in the chamber through rotation of the rotating door contains surfaces similarly covered by sound absorbent material. Another of the four corners is a trihedral corner including a base, or floor, for supporting a corner speaker.

REFERENCES:
patent: 1559739 (1925-11-01), Brown
patent: 2451283 (1948-10-01), Gannett et al.
patent: 2567070 (1951-09-01), Hjartsater
patent: 3964571 (1976-06-01), Snell
"Acoustic Laboratory", Mar. 1946, Electronic Industry p. 78.

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