Audio reproduction apparatus

Details Audio reproduction apparatus Audio reproduction apparatus

2006-02-28

2006-02-28

Grier, Laura A. (Department: 2644)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo speaker arrangement

C381S018000, C381S061000, C381S123000, C381S120000, C381S300000

Reexamination Certificate

active

07006645

ABSTRACT:
A first selector switch outputs a second audio signal of m channel corresponding to a selected second zone to a power amplifier of the m channel and a second selector switch couples output of the power amplifier of the m channel to a speaker terminal for the selected second zone whereby an audio signal can be supplied to either one of a plurality of second zones. In one aspect of the invention, a first selector switch outputs a second audio signal of m channel corresponding to a selected second zone to a power amplifier of the m channel determined by a control section and a second selector switch couples output of the m channel determined by the control section to a speaker terminal for the selected second zone whereby an audio signal can be supplied to one or more zones among plural second zones.

REFERENCES:
patent: 4953213 (1990-08-01), Tasaki et al.
patent: 5177798 (1993-01-01), Ohsawa
patent: 5199075 (1993-03-01), Fosgate
patent: 5680464 (1997-10-01), Iwamatsu
patent: 6332026 (2001-12-01), Kuusama et al.
patent: 6650755 (2003-11-01), Vaudrey et al.
patent: 06-189399 (1994-07-01), None
patent: 10-200968 (1998-07-01), None

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