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:
Mar. 09, 2021
Filed:
Apr. 05, 2017
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Yasuo Katano, Kanagawa, JP;
Shigenobu Hirano, Kanagawa, JP;
Ikue Kawashima, Kanagawa, JP;
Kenji Kameyama, Kanagawa, JP;
Takashi Maki, Kanagawa, JP;
Yuuto Gotoh, Kanagawa, JP;
Shiroh Ikegami, Tokyo, JP;
Qing Liang, Tokyo, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 26/02 (2006.01); G02F 1/157 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 26/02 (2013.01); G02B 27/017 (2013.01); G02F 1/157 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A monocular image display device includes a virtual image former to display an image in front of one eye of a user and a primary light amount adjuster being in front of another eye of the user. The primary light amount adjuster is disposed closer to the one eye of the user than an optical axis of the another eye of the user is.