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:
Nov. 12, 2013
Filed:
Oct. 21, 2011
Applicant:
Junichi Horigome, Tokyo, JP;
Inventor:
Junichi Horigome, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); G11B 5/55 (2006.01); G11B 5/09 (2006.01); G11B 5/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical recording medium in which recording is performed by a recording device that is configured such that tracking servo control of recording light is performed by irradiating the recording light and ATS light for an adjacent track servo and by an adjacent track servo based on reflected light of the ATS light, wherein while a recording layer in which a mark is formed according to an irradiation of the recording light is included, a mark row is formed in advance by a pitch that is twice a distance between an irradiation spot of the recording light and an irradiation spot of the ATS light or greater in the recording layer.