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. 10, 2006
Filed:
Nov. 05, 2003
Yuji Takagi, Hirakata, JP;
Takahiro Nagai, Osaka, JP;
Yoshihisa Fukushima, Osaka, JP;
Shunji Ohara, Higashiosaka, JP;
Isao Satoh, Neyagawa, JP;
Yuji Takagi, Hirakata, JP;
Takahiro Nagai, Osaka, JP;
Yoshihisa Fukushima, Osaka, JP;
Shunji Ohara, Higashiosaka, JP;
Isao Satoh, Neyagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In a recording and reproducing apparatus for a disc-shaped recording medium, and a defect substitution method for a disc-shaped recording medium (), whether reproduction of recorded data is good is determined by sector unit and not by product code unit, defective sector discrimination is performed by sector unit, and only sectors determined defective are alternately recorded, when using a recording format in which data that is error detection and correction coded with a product code is segmented and recorded to a plurality of sectors.