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:
Mar. 19, 2002
Filed:
Dec. 29, 1997
Masahiro Funakoshi, Toride, JP;
Daisuke Suga, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an image reading apparatus comprising a transparent plate, a convey means for conveying an original onto the transparent plate, a light source for illuminating the original, a light receiving element for reading an image of the original illuminated by the light source through the transparent plate, the light receiving element being shifted in a first mode in which the original stopped on the transparent plate is read and being kept stationary in a second mode in which the original being shifted by the convey means is read, and a control means for controlling a light amount of the light source in accordance with the first mode or the second mode.