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:
Jun. 04, 2002
Filed:
Apr. 20, 2001
Yukari Katayama, Yokohama, JP;
Hitoshi Ogawa, Yokohama, JP;
Motoyasu Tsunoda, Fujisawa, JP;
Tsuneo Hirose, Odawara, JP;
Akira Kojima, Odawara, JP;
Eisaku Saiki, Yokohama, JP;
Yasunori Kaneda, Yokohama, JP;
Katsuhiro Tsuneta, Odawara, JP;
Shoichi Miyazawa, Yokohama, JP;
Terumi Takashi, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A magnetic disk recording and reproducing apparatus comprising a unit for inserting an error correcting code related to control information into said control information on data; a recording control unit for recording in a plurality of sectors formed by dividing the recording area of a magnetic disk, each sector having an ID area for recording said control information and a data area, provided adjacent to and behind said ID area, for recording said data; and a error correcting unit for correcting said control information of said ID area by said error correcting code before data is read from said data area corresponding to said ID area or data is recorded in said data area corresponding to said ID area.