Title:
IMAGE READING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/064777
Kind Code:
A1
Abstract:
The present disclosure relates to an image reading device having a high-precision structure capable of easily increasing depth of field (improving depth of field) without making the change of the basic property of a lens body indispensable. This image reading device is characterized by comprising an overlapping prevention part (5) that is disposed between a lens body array (1) and a sensor element array (3) and prevents overlapping of images of lens bodies (2), a slit part (5) serving as the overlapping prevention part (5) being provided with a plurality of slit plates (7) that extend in a sub-scanning direction to partition a space and are arranged in a main scanning direction, and the slit plates (7) being secured to a securing plate (13).
Inventors:
ARIMOTO HIRONOBU (JP)
MAKABE KAZUYA (JP)
FUKUI DAISUKE (JP)
TAKASAKI KOKI (JP)
MAKABE KAZUYA (JP)
FUKUI DAISUKE (JP)
TAKASAKI KOKI (JP)
Application Number:
PCT/JP2021/020886
Publication Date:
March 31, 2022
Filing Date:
June 01, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G02B3/00; H04N1/031; H04N1/191
Foreign References:
JPH06342131A | 1994-12-13 | |||
JP2009180976A | 2009-08-13 | |||
JPS56161772A | 1981-12-12 | |||
JPH07203125A | 1995-08-04 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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