The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2008
Filed:
Dec. 16, 2003
Applicant:
Masaru Kimura, Iwaki, JP;
Inventor:
Masaru Kimura, Iwaki, JP;
Assignee:
Alpine Electronics, Inc, Shinagawa-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 20/10 (2006.01);
U.S. Cl.
CPC ...
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.