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:
Feb. 03, 1998
Filed:
Sep. 28, 1993
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 including a unit for inserting an error correcting code relating to control information in the control information, the control information relating to data, a recording control unit for recording the control information and the data in a recording area of a magnetic disk, the recording area having a plurality of sectors, each of the sectors having an ID area for recording the control information and a data area for recording the data, the data area corresponding to the ID area and being provided adjacent to and behind the ID area in the same sector as the ID area, and an error correcting unit for correcting errors in the control information in the ID area using the error correcting code before the data in the data area corresponding to the ID area and provided in the same sector as the ID area is read or recorded.