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:
Aug. 16, 2011
Filed:
Oct. 15, 2007
Katsuhiko Katoh, Fujisawa, JP;
Takashi Kuroda, Chigasaki, JP;
Hiroshi Uchiike, Fujisawa, JP;
Yasuhiro Takase, Zama, JP;
Katsuhiko Katoh, Fujisawa, JP;
Takashi Kuroda, Chigasaki, JP;
Hiroshi Uchiike, Fujisawa, JP;
Yasuhiro Takase, Zama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention provides a data storage device comprising a disk storage medium containing user data in a plurality of sectors, a head for writing or reading the user data and error correcting means for correcting an error that occurs in the user data during the reading process. The error correcting means comprises a syndrome generator for generating syndromes on the basis of the user data contained in predetermined sectors, registers for storing the syndromes generated and an exclusive OR circuit for exclusive ORing the values stored in the registers.