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:
Jul. 04, 2017
Filed:
May. 28, 2013
Applicants:
Toshihiro Ishii, Miyagi, JP;
Yoshihiro Oba, Miyagi, JP;
Fumikazu Hoshi, Miyagi, JP;
Satoru Sugawara, Miyagi, JP;
Inventors:
Toshihiro Ishii, Miyagi, JP;
Yoshihiro Oba, Miyagi, JP;
Fumikazu Hoshi, Miyagi, JP;
Satoru Sugawara, Miyagi, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/11 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5062 (2013.01); G03G 15/5025 (2013.01); G03G 15/5029 (2013.01); G03G 2215/00738 (2013.01); G03G 2215/00751 (2013.01);
Abstract
An optical sensor includes a light source; and an optical detector detecting intensity of light that is reflected by a recording medium, the light from the light source and irradiated onto the recording medium. Further, when an incident angle of the light incident the recording medium from the light source relative to a normal line of the recording medium is given as θ, a formula 75°≦θ≦85° is satisfied.