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, 2020
Filed:
Apr. 26, 2018
Applicants:
Takahiro Nakayama, Kanagawa, JP;
Hibiki Tatsuno, Kanagawa, JP;
Takashi Kubota, Tokyo, JP;
Naoki Nakamura, Saitama, JP;
Inventors:
Takahiro Nakayama, Kanagawa, JP;
Hibiki Tatsuno, Kanagawa, JP;
Takashi Kubota, Tokyo, JP;
Naoki Nakamura, Saitama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 27/00 (2006.01); G02B 3/08 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 3/08 (2013.01); G02B 27/0025 (2013.01); G02B 27/0179 (2013.01); G02B 27/0103 (2013.01); G02B 27/0149 (2013.01); G02B 2027/011 (2013.01); G02B 2027/015 (2013.01); G02B 2027/0154 (2013.01); G02B 2027/0159 (2013.01);
Abstract
A virtual-image forming device includes a device body having an opening; a real-image forming unit disposed within the device body to output light; a mirror to reflect the light output from the real-image forming unit; and an optical element. The optical element has positive power to refract the light reflected by the mirror and let the light exit through the opening to form of the light on a transmission and reflection member.