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:
Apr. 29, 2025
Filed:
Dec. 11, 2023
Applicant:
Sony Interactive Entertainment Inc., Tokyo, JP;
Inventors:
Assignee:
Sony Interactive Entertainment Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 3/08 (2005.12); G02B 3/04 (2005.12); G02B 5/04 (2005.12); G02B 13/18 (2005.12); G02B 25/00 (2005.12); G02B 27/01 (2005.12); G02B 27/02 (2005.12);
U.S. Cl.
CPC ...
G02B 3/08 (2012.12); G02B 3/04 (2012.12); G02B 5/04 (2012.12); G02B 13/18 (2012.12); G02B 25/00 (2012.12); G02B 27/0172 (2012.12); G02B 27/02 (2012.12);
Abstract
A lens system provides to a user, a high-definition image in which generation of concentric circles is reduced. The lens system has one or more Fresnel lenses. A lens surface of each of the Fresnel lenses has a plurality of grooves that is concentrically formed. Both a pitch which is the distance between two adjacent grooves and the depth of each of the plurality of grooves vary with the distance from an optical axis that passes through the center of the lens system.