Infinite sound reproduction chamber

Details Infinite sound reproduction chamber Infinite sound reproduction chamber

1974-10-24

1976-10-12

Franklin, Lawrence R.

Acoustics

Diaphragm

Plural dependent diaphragms

179116, 179181R, H04R 712

Patent

active

039852016

ABSTRACT:
The sound reproduction chamber comprises a diaphragm enclosure comprising a frame, a pair of parabolic diaphragm covers, and a resonating generator. The parabolic diaphragm covers may be mounted in the frame with their foci disposed distally adjacent one another or opposed in a convex parabolic diaphragm.

REFERENCES:
patent: 1672796 (1928-06-01), Whitmore
patent: 1735860 (1929-11-01), Hutchison
patent: 1859892 (1932-05-01), Ricker
patent: 1862582 (1932-06-01), Schlenker
patent: 1864615 (1932-06-01), Quinby
patent: 1930186 (1933-10-01), Swallow
patent: 2013695 (1935-09-01), Nicolson
patent: 3456755 (1969-07-01), Walker

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