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. 14, 1989
Filed:
Oct. 16, 1986
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 75 ; 358 41 ; 355 37 ;
Abstract
An original reading apparatus includes: a line sensor having first and second sensor arrays each composed of a plurality of light receiving elements; a first optical filter disposed on the light incident side of the first sensor array; a second optical filter disposed on the light incident side of the second sensor array, the second optical filter being complementary in color to the first optical filter; a first light source which turns on and off during one line scan of an original; a second light source which is continually turned on until an original scanning is completed.