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. 18, 2022
Filed:
Nov. 20, 2020
Applicant:
Jvckenwood Corporation, Yokohama, JP;
Inventor:
Tatsuru Kobayashi, Yokohama, JP;
Assignee:
JVCKENWOOD CORPORATION, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G02B 27/01 (2006.01); B60K 35/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0179 (2013.01); G02B 27/0101 (2013.01); B60K 35/00 (2013.01); B60K 2370/1529 (2019.05); B60K 2370/73 (2019.05); G02B 2027/0187 (2013.01);
Abstract
A virtual image display device presents a virtual image to a user via a virtual image presentation plate. The virtual image display device includes a display unit that generates an image display light; a concave mirror that reflects the image display light and projects the image display light toward the virtual image presentation plate; and a driving mechanism that changes an orientation of the concave mirror to change an incidence angle of the image display light on the concave mirror and change a distance a from the concave mirror to the display unit in accordance with the orientation of the concave mirror.