Title:
記録材判別装置及び画像形成装置
Document Type and Number:
Japanese Patent JP5203721
Kind Code:
B2
Abstract:
An identification device operable to identify a type of a recording medium includes an irradiation unit configured to irradiate the recording medium with light, a reading unit configured to read the light that is irradiated from the irradiation unit and that is reflected from the recording medium to obtain an image, a processing unit configured to process the image obtained by the reading unit to output a plurality of pixel data items each having a light intensity value, a calculation unit configured to calculate a value representing amounts of change by which the light intensity values of the plurality of pixel data items continuously increase and decrease, and an identification unit configured to identify the type of the recording medium on the basis of the value representing the amounts of change calculated by the calculation unit.
Inventors:
Murata Takuma
Application Number:
JP2008004962A
Publication Date:
June 05, 2013
Filing Date:
January 11, 2008
Export Citation:
Assignee:
Canon Inc
International Classes:
G03G15/00; G03G21/00
Domestic Patent References:
| JP2005128004A | ||||
| JP2006195422A | ||||
| JP2004042371A | ||||
| JP2005529313A | ||||
| JP2006175611A | ||||
| JP2005114866A | ||||
| JP2008083689A | ||||
| JP2008164459A |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu