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:
Aug. 29, 2017
Filed:
Sep. 01, 2015
Applicants:
Kenichiroh Saisho, Tokyo, JP;
Makoto Inamoto, Kawasaki, JP;
Yasuhiro Satoh, Yokohama, JP;
Jun Watanabe, Atsugi, JP;
Inventors:
Kenichiroh Saisho, Tokyo, JP;
Makoto Inamoto, Kawasaki, JP;
Yasuhiro Satoh, Yokohama, JP;
Jun Watanabe, Atsugi, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 26/10 (2006.01); G02B 26/12 (2006.01); G02B 27/01 (2006.01); G02B 27/48 (2006.01); G02B 3/00 (2006.01); G02B 3/04 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 3/0006 (2013.01); G02B 3/0056 (2013.01); G02B 3/04 (2013.01); G02B 26/101 (2013.01); G02B 27/48 (2013.01); G02B 2027/0118 (2013.01);
Abstract
An image display device includes a lens array, and a scanner to two-dimensionally scan the lens array with a light beam for image display, in which each of lenses of the lens array includes a convex surface with different curvatures in two directions orthogonal to the optical axis of the lens and to each other.