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:
Dec. 17, 1996
Filed:
Nov. 30, 1994
Tsunehiko Moriuchi, Kasugai, JP;
Fujitsu Limited, Kawasaki, JP;
Fujitsu VLSI Limited, Kasugai, JP;
Abstract
Disclosed is an apparatus for correcting error data contained in data read from an optical disk. The data correcting apparatus has a memory for storing data read out from the optical disk. The apparatus also has a syndrome generator for generating error syndrome data, and a circuit for detecting the position and value of data errors. The data correcting apparatus further includes a circuit for correcting errors in the read data stored in the memory, based on the error position and error value. The syndrome generator transfers a first ID data field for data identification together with the syndrome data via a first direct bus, provided between the syndrome generator and the detecting circuit. The detecting circuit transfers a second ID data field for data identification together with error information data via a second direct bus, provided between the detecting circuit and the data correcting circuit.