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:
Sep. 24, 2002
Filed:
May. 12, 2000
Applicant:
Inventors:
Yoshinari Takemura, Settsu, JP;
Shigeru Furumiya, Himeji, JP;
Takashi Ishida, Yawata, JP;
Yoshito Aoki, Moriguchi, JP;
Shunji Ohara, Higashiosaka, JP;
Yuichi Kamioka, Katano, JP;
Toyoji Gushima, Habikino, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 ;
U.S. Cl.
CPC ...
G11B 7/24 ;
Abstract
Address groups are composed of two of address blocks , and , where the address blocks , and are disposed in a sector address region and include identifiable information of address numbers and overlapping sequential numbers . The address groups are disposed so that each group is alternately shifted from a track center toward the inner periphery side or the outer periphery side, by a width substantially equal to half the track pitch, along the radius direction.