Electroacoustic transducer filter assembly

Details Electroacoustic transducer filter assembly Electroacoustic transducer filter assembly

H - Electricity

04

R

349/80

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

Patent

CA 1129069

Abstract The invention is directed to an electroacoustic assembly that includes a housing having an apertured plate end, an open end and a longitudinal passageway of predeter- mined length and cross section. The open end of the housing is securable to a transducer and a plurality of apertured plates are secured in the housing at spaced intervals along the passageway. Each spaced interval includes structural elements that partition the spaced interval into a plurality of longitudinal sections to inhibit resonance of the housing. The spaced intervals, the apertures in the plates, and the structural elements are dimensioned relative to the passageway cross section to suppress passage of sound waves outside a predetermined frequency band through the passageway.

340533

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