Loudspeaker system and sound reproducing apparatus

Details Loudspeaker system and sound reproducing apparatus Loudspeaker system and sound reproducing apparatus

1997-04-02

2000-02-29

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381351, 381337, 381 86, 381 93, 181145, 181199, 181160, H04R 2500

Patent

active

060319194

ABSTRACT:
In the invented speaker system, a passive radiator 401 is mounted on a top board 403a of baffle 403 in a direction opposite to a speaker unit 402. The speaker unit 402 is mounted on the opening of a cylinder 403b protruding from top board 403a at a place inner from the end. The remaining part of the opening is closed with a sub-baffle 406, to form a front closed cavity 404 and a back closed cavity 405. In this way, both the passive radiator 401 and the speaker unit 402 are fixed to the top board 403a whose rigidity being the highest; which reduces the unwanted vibration.

REFERENCES:
patent: 4074070 (1978-02-01), Gaus
patent: 4165445 (1979-08-01), Brosow
patent: 4924963 (1990-05-01), Polk
patent: 4944018 (1990-07-01), Bose et al.
patent: 5092424 (1992-03-01), Schreiber et al.
patent: 5825901 (1998-10-01), Hisey

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