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:
May. 05, 2009
Filed:
Dec. 16, 2005
Applicants:
Hiroshi Shiba, Numazu, JP;
Yoshitaka Kokubo, Susono, JP;
Masanori Akita, Mishima, JP;
Tomoyuki Okada, Nagaizumi-machi, JP;
Kengo Umeda, Himeji, JP;
Inventors:
Hiroshi Shiba, Numazu, JP;
Yoshitaka Kokubo, Susono, JP;
Masanori Akita, Mishima, JP;
Tomoyuki Okada, Nagaizumi-machi, JP;
Kengo Umeda, Himeji, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sensor system includes an LED configured to emit light to a recording medium and a light-receiving sensor configured to receive a transmitted light that has passed through the recording medium after having been emitted from the LED to the recording medium. An emitting optical axis of the LED is away from a perpendicular receiving optical axis of the light-receiving sensor.