Image forming apparatus generating overwriting image data

Patent metadata

Field	Value
Publication number	US-9019518-B2
Application number	US-201313888503-A
Country	US
Kind code	B2
Filing date	May 7, 2013
Priority date	May 7, 2012
Publication date	Apr 28, 2015
Grant date	Apr 28, 2015

Abstract

An image forming apparatus including: a conveyance path through which a recording material is conveyed to form an image on the recording material; a reading unit that reads a document conveyed to the conveyance path; and a control unit that controls an image forming unit to overwrite a document image with an image according to a result of the reading in which the document image on the document, which is conveyed to the conveyance path, is read by reading unit.

First claim

What is claimed is:

1. An image forming apparatus comprising:
a reading unit provided in the image forming apparatus, and configured to read a document image on a document conveyed in the image forming apparatus;
a detection unit configured to detect deterioration of document image data of the document image read by the reading unit;
a first image generation unit configured to generate correction image data for correcting a pixel in the document image the deterioration of whos…

Assignees

• Canon Kk

Inventors

• Takayama Yuuji
• Saiki Tomoyuki
• Araki Go
• Uchidate Hikaru

Classifications

• H04N1/00034

  Electricity · mapped topic

• H04N1/32133

  Electricity · mapped topic

• H04N1/40 Primary

  Electricity · mapped topic

• H04N1/00655

  Electricity · mapped topic

• H04N2201/3269

  Electricity · mapped topic