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. 28, 2021
Filed:
Feb. 02, 2018
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Kento Nakamura, Kanagawa, JP;
Makoto Hirakawa, Kanagawa, JP;
Hiromichi Atsuumi, Kanagawa, JP;
Naoki Miyatake, Kanagawa, JP;
Yuki Hayashi, Osaka, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 27/01 (2006.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 27/0149 (2013.01); G03B 21/145 (2013.01); G03B 21/28 (2013.01); G02B 2027/0145 (2013.01); G02B 2027/0159 (2013.01);
Abstract
A display apparatus includes a screen configured to form an intermediate image by being irradiated with light, a front windshield configured to display a virtual image by being irradiated with light forming the intermediated image, a reflection member configured to reflect light going out from the screen to the front windshield, and a rotation shaft configured to rotate the reflection member. The rotation shaft is tilted with respect to a pitch axis. The reflection member has notches formed thereon.