Device for reducing structural-acoustical coupling between...

Details Device for reducing structural-acoustical coupling between... Device for reducing structural-acoustical coupling between...

H - Electricity

04

R

H04R 1/02 (2006.01) H04R 1/22 (2006.01)

Patent

CA 2405210

A novel cap for a telephone unit is provided to de-couple the loudspeaker diaphragm from the acoustic resonance in the enclosure and dampen the first resonant frequency of the diaphragm. The cap has a flange located at an outer edge thereof and a cavity provided in the cap. The cap cavity is sized to house an acoustical speaker that is directed outwardly through an aperture in an outer casing of the telephone unit. The flange of the cap is coupled to the outer casing so that the cap covers the aperture. A gap is provided between the cap and the outer casing.

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