Reflection-type speaker apparatus

Details Reflection-type speaker apparatus Reflection-type speaker apparatus

1993-12-21

1995-08-29

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

381 24, 381 90, 381158, 181155, H04R 2500, H04N 564, H05K 500

Patent

active

054467926

ABSTRACT:
A speaker apparatus includes a speaker having a diaphragm, a frame having a mouth and a reflector. The speaker is mounted inside a cylindrical box, and the frame is formed cylindrically and covers over the diaphragm. The mouth opens perpendicular to an axis along the center of the diaphragm. The reflector is positioned opposite the diaphragm in the frame and is formed roughly conically but asymmetrically between a side of the mouth and the opposite side of the cylindrical box. Sound waves radiated from the diaphragm are reflected by the reflector and an inner surface of the frame, and are released to the outside of the mouth.

REFERENCES:
patent: 3765504 (1973-10-01), Itoh
patent: 3912866 (1975-10-01), Fox
Australia Patent 143,597, "Improvements in or relating to Londspeaker Units", Sep. 27, 1951.

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