Invention Grant
US08237997B2 Image reader and image forming device 失效
图像读取器和图像形成装置

  • Patent Title: Image reader and image forming device
  • Patent Title (中): 图像读取器和图像形成装置
  • Application No.: US12535195
    Application Date: 2009-08-04
  • Publication No.: US08237997B2
    Publication Date: 2012-08-07
  • Inventor: Ryuichi Okumura
  • Applicant: Ryuichi Okumura
  • Applicant Address: JP
  • Assignee: Kyocera Mita Corporation
  • Current Assignee: Kyocera Mita Corporation
  • Current Assignee Address: JP
  • Agent Gerald E. Hespos; Michael J. Porco
  • Priority: JP2008-201792 20080805; JP2009-176237 20090729
  • Main IPC: H04N1/04
  • IPC: H04N1/04 H04N1/38
Image reader and image forming device
Abstract:
An image reader includes: an average calculation unit which calculates an average DAV of pixel values of pixels existing in an area corresponding to a striped image in a document image read by a scanning unit; a judgment unit which judges whether the average DAV is a value between judgment reference values DL and DH where (DL
Public/Granted literature
Information query
Patent Agency Ranking
0/0