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. 15, 2026
Filed:
Dec. 13, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuma Kobayashi, Tochigi, JP;
Yu Miyajima, Tochigi, JP;
Kazuto Ishida, Tochigi, JP;
Keigo Yarita, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
G02B 27/283 (2013.01);
Abstract
An optical system is configured to guide a light beam from a display surface to a pupil surface, and includes, in order from a pupil surface side to a display surface side, a first lens having a first transmissive reflective surface on the display surface side, a second lens, and a third lens having a second transmissive reflective surface on the pupil surface side. A quarter waveplate is provided to a surface on the pupil surface side of the second lens. The second lens and the third lens are spaced apart from each other.