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:
Jan. 02, 2012
Filed:
Jul. 09, 1997
Applicant:
Nobuaki Onagi, Tsurugashima, JP;
Inventor:
Nobuaki Onagi, Tsurugashima, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/10 (2005.12); G11B 13/04 (2005.12); G11B 7/24 (2005.12);
U.S. Cl.
CPC ...
Abstract
An optical disk includes: a substrate shaped in a disk, and having a recording surface; a plurality of recording tracks formed substantially coaxially on the recording surface; a plurality of information pits, which are reproducible by a super resolution reproduction, recorded on the plurality of recording tracks in a recording operation of the optical disk; and an address pit for address reproduction formed in advance to the recording operation on the recording surface with respect to one set of recording tracks adjacent to each other in a radial direction of the optical disk.