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. 12, 2005
Filed:
Jun. 07, 2001
Applicants:
Tsuyoshi Waragai, Shizuoka, JP;
Yasuyoshi Hayakawa, Shizuoka, JP;
Masayoshi Fukatsu, Shizuoka, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N001/40 ; H04N001/04 ; H04N001/00 ;
U.S. Cl.
CPC ...
Abstract
An image reading apparatus includes a light transmitting member opposed to an original, a reading device for reading the original image through the light transmitting member, and a standard portion which is read by the reading device to perform shading compensation, wherein the standard portion is provided on the opposite side of the original with respect to the light transmitting member.