Sound-permeable cover for a loudspeaker

Details Sound-permeable cover for a loudspeaker Sound-permeable cover for a loudspeaker

1987-07-22

1989-05-23

Fuller, B. R.

Acoustics

Sound-modifying means

181150, 181199, G10K 1100

Patent

active

048321508

ABSTRACT:
A sound-permeable loudspeaker cover including a frame in which are arranged mutually crossing webs of a synthetic plastic material delimiting sound passage openings. A sound-permeable material, for instance a fleece, a textile fabric or a knitting, covers the sound passage openings, and is arranged approximately in the middle of the webs. The webs are produced as a single part according to the injection molding process, and penetrate the sound-permeable material to anchor it at a plurality of individual locations.

REFERENCES:
patent: 2106813 (1938-02-01), Romanow
patent: 3666040 (1972-05-01), Junk
patent: 3666610 (1972-05-01), Rosen
patent: 3941638 (1976-03-01), Horky et al.

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