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:
Apr. 09, 1991
Filed:
Aug. 29, 1989
Masato Ishida, Yokohama, JP;
Hiroaki Takeda, Kawasaki, JP;
Kazuo Watanabe, Yokohama, JP;
Akira Suzuki, Yokohama, JP;
Nobuyuki Suzuki, Musashino, JP;
Isamu Sato, Yokohama, JP;
Kazuki Miyamato, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus capable of incorporating a DF, an ADF or an RDF includes a digitizer for designating at least one area of an original, an image forming unit for forming an original image of the designated area on a transfer sheet, and a control section for adding a specific image to the designated area. The control section also allows a multi-copy or a two-sided copy operation for a plurality of designated areas with different colors. The apparatus also includes a memory, the area designation data of which is retained whether reset by a reset key or upon a power ON operation. In this case, only the designated areas are reset. The apparatus further includes a middle tray and a second sheet feeder, which are selectively used according to the types of sheets.