Title:
画像読み取り装置、画像形成装置、画像読み取り方法及び画像形成方法
Document Type and Number:
Japanese Patent JP4464253
Kind Code:
B2
Abstract:
An image reading device (50) having plural image sensors (100 SIMILAR 104) and a reading controller (106) is disclosed. The image reading device is for obtaining image data over a subject by joining subimage data outputs read by the image sensors, each image sensor comprising: a signal amplifier; and an A/D converter for converting an analog value output from the image sensor to a digital value; whereby the reading controller adjusts an amplification factor of each signal amplifier so that a read value of a white board (22) read by each image sensor becomes a predetermined value (A).
Inventors:
Baba
Application Number:
JP2004324893A
Publication Date:
May 19, 2010
Filing Date:
November 09, 2004
Export Citation:
Assignee:
株式会社リコー
International Classes:
G06T1/00; H04N1/19; H04N1/04; H04N1/10; H04N1/401; H04N1/407; H04N1/409
Domestic Patent References:
| JP63124672A | ||||
| JP7154597A | ||||
| JP4053357A | ||||
| JP62012267A |
Attorney, Agent or Firm:
Tadahiko Ito