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. 20, 2001
Filed:
Mar. 29, 2000
Hitoshi Otsuka, Higashishirakawa-gun, JP;
Nippon Columbia Co., Ltd., Tokyo, JP;
Abstract
The present invention makes it possible to reproduce an optical disc in random reproduction or programmed reproduction without interrupting reproduction, even though discs such as a DVD or CD-I with an interactive function are not removed from the roulette. A mechanical unit,selects a target optical disc,to be reproduced from among a plurality of optical discs accommodated in a roulette,A disc detection unit,detects the type of the optical disc which is selected as the target to be reproduced. A system controller unit,allows reproduction only in a case where the target optical disc to be reproduced is a CD-DA, when the reproduction mode entered to the user interface block unit,is either a random-reproduction mode or a programmed-reproduction mode.