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:
Jul. 02, 1996
Filed:
Sep. 07, 1994
Kyota Funamoto, Tokorozawa, JP;
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
A recording and reproducing method of a driving apparatus for a writable type disk, in which a substantial loading time of an optical disk are remarkably reduced and operations are quickly executed in response to a command. At the time of recording of information, after information has been written into an information recording area of a designated address, reading operation of latest defect management information is executed only in a case where the result of a verification reading process of the written information indicates a failure. At the time of reading of the recorded information as well, after the recorded information in the information recording area of the designated address has been read, the reading operation of the latest defect management information is executed only in a case where the read recorded information cannot be reproduced.