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:
Oct. 31, 2023
Filed:
Mar. 06, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Suguru Sangu, Kanagawa, JP;
Tatsuya Shimokawa, Hyogo, JP;
Kazuhiko Adachi, Miyagi, JP;
Shu Tanaka, Osaka, JP;
Shuichi Suzuki, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G06F 3/01 (2006.01); G02B 27/18 (2006.01); G02B 27/14 (2006.01); G02B 26/08 (2006.01); G02B 26/12 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 26/0816 (2013.01); G02B 26/125 (2013.01); G02B 27/0176 (2013.01); G02B 27/14 (2013.01); G02B 27/18 (2013.01); G06F 3/013 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01);
Abstract
An optical device includes a light source section configured to emit light; a converging reflector configured to converge and reflect the light from the light source section to an irradiation surface having a curvature; and a position detector configured to detect a light-receptive position of the light reflected from the irradiation surface.