Title:
画像読取装置及びこれを備えた画像形成装置
Document Type and Number:
Japanese Patent JP5453346
Kind Code:
B2
Abstract:
The image reading apparatus includes an LED, a light guiding body, and a photoelectric conversion element. The light guiding body has a plurality of prisms for diffusing light. The plurality of prisms includes: at least one first prism that is disposed on an incident surface side in the main scanning direction; and at least one second prism that is disposed on an opposite end side to the incident surface side in the main scanning direction. In the first prism, an angle of a prism incident plane with respect to the main scanning direction is greater than an angle of a prism anti-incident plane with respect to the main scanning direction. In the second prism, an angle of a prism incident plane with respect to the main scanning direction is smaller than an angle of a prism anti-incident plane with respect to the main scanning direction.
Inventors:
Azuma Katsuhiro
Application Number:
JP2011121158A
Publication Date:
March 26, 2014
Filing Date:
May 31, 2011
Export Citation:
Assignee:
Kyocera Document Solutions Co., Ltd.
International Classes:
F21V8/00; G03B27/54; H04N1/04; F21Y101/02
Domestic Patent References:
| JP2001005122A | ||||
| JP10190961A | ||||
| JP8163320A | ||||
| JP2001242322A | ||||
| JP2000310777A | ||||
| JP2011096531A | ||||
| JP2009065621A | ||||
| JP2008269866A | ||||
| JP2005322549A |
Foreign References:
| WO2006120932A1 |
Attorney, Agent or Firm:
Kazuyuki Tanemura
Hironobu Hanayama
Hironobu Hanayama