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:
Nov. 10, 1998
Filed:
May. 16, 1996
Takanori Itoh, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The color image input apparatus according to the present invention comprises a document illuminating means for illuminating a document; a color separating means for subjecting reflected light from the document illuminated by said document illuminating means to color separation; a document reading means for receiving the reflected light subjected to color separation by said color separating means, subjecting the reflected light to photoelectric conversion and reading the light as an image signal; a color material determining means for determining a type of a color material used for the document according to the image signal read by said image reading means; and a color correction processing means for subjecting the image signal read by said image reading means to a color correction processing according to a result of determination of said color material determining means.