Method and apparatus for disc playback

Details Method and apparatus for disc playback Method and apparatus for disc playback

Filed on

2003-12-16

Date issued

2008-11-04

Examiner

Feild, Joseph (Department: 2627)

Patent Class

Dynamic information storage or retrieval

SubClass

Control of storage or retrieval operation by a control...

SubSubClass

Control of information signal processing channel

Other Related Categories

C700S094000

Type

Reexamination Certificate

Status

active

Patent number

07447127

Description

ABSTRACT:
In a disc playback apparatus for playing back audio signals recorded on a disc medium, a system controller detects a channel format of the audio signals that can be outputted from the playback apparatus. When content is recorded on a disc so as to be played back in a channel format other than the player channel format, it is not played back.

REFERENCES:
patent: 5115419 (1992-05-01), Akiyama et al.
patent: 6272082 (2001-08-01), Ishii et al.
patent: 6392969 (2002-05-01), Heo
patent: 6618551 (2003-09-01), Tanaka et al.
patent: 6687211 (2004-02-01), Sawabe et al.
patent: 11-162147 (1999-06-01), None
patent: 2002-313030 (2002-10-01), None

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