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:
Dec. 03, 2013
Filed:
May. 05, 2011
Applicants:
Gael Pilard, Marly, FR;
Larisa Von Riewel, Mainaschaff, DE;
Inventors:
Gael Pilard, Marly, FR;
Larisa Von Riewel, Mainaschaff, DE;
Assignee:
Thomson Licensing, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2013.01);
U.S. Cl.
CPC ...
Abstract
The optical disc comprises a substrate layer, a read-only data layer having a pit/land data structure with an average pit width, arranged in tracks on the substrate layer, and a nonlinear layer with a super-resolution structure disposed on the data layer, wherein a super-resolution pit following a super-resolution land and a preceding diffractive pit is enlarged in width with regard to the average pit width, and a diffractive pit preceding a super-resolution land and a subsequent super-resolution pit is reduced in pit width with regard to the average pit width.