Multichannel acoustic signal reproducing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement

Reexamination Certificate

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Details

C381S307000, C381S310000, C381S001000, C381S017000, C348S738000

Reexamination Certificate

active

07146018

ABSTRACT:
A system reproducing surround phonic sound is simply constructed by a multichannel acoustic signal reproducing apparatus having at least a DVD reproducing section. A DVD, a CD, a radio or the like and speakers are provided integrally with the multichannel acoustic signal reproducing apparatus and the integral system is made movable. The acoustic signal reproducing apparatus is connected to a television receiver by an IEEE1394 interface or a USB interface. Speakers of the television receiver are used as main speakers and the speakers of a multichannel acoustic signal reproducing apparatus main body are used as sub-speakers such as rear speakers. The main speakers are controllable from the main body side.

REFERENCES:
patent: 4070546 (1978-01-01), Hirota
patent: 5533129 (1996-07-01), Gefvert
patent: 5896358 (1999-04-01), Endoh et al.
patent: 6167140 (2000-12-01), Watanabe
patent: 6473135 (2002-10-01), Iwamura
patent: 6574339 (2003-06-01), Kim et al.
Applicant's admitted prior art , Figures 6A and 6B, Description of Related Art
The applicant's admitted prior art, Figures 6A,6B, pp. 1-3, Description of the Related Art.

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