Title:
IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/103767
Kind Code:
A1
Abstract:
The present invention allows a device to be smaller and improves selection accuracy by forming read lines in an inspection region as straight lines.
An imaging device (12) inspects for defects and contamination of foreign bodies while continuously transporting a material. The imaging device (12) comprises an imaging optical system (32) that reflects light from an inspection region (K) by way of a plurality of light reflecting bodies (28, 29, 30, 31), and imaging elements (33, 34) that forms an optical image of the material derived by the imaging optical system (32). At least a pair of light reflecting bodies (28, 30) of the plurality of light reflecting bodies (28, 29, 30, 31) of the imaging optical system (32) is formed to have a concave face.
Inventors:
KAWAMURA YOICHI (JP)
IKEDA NOBUYOSHI (JP)
IKEDA NOBUYOSHI (JP)
Application Number:
PCT/JP2013/083572
Publication Date:
July 03, 2014
Filing Date:
December 16, 2013
Export Citation:
Assignee:
SATAKE ENG CO LTD (JP)
International Classes:
G01N21/85; B07C5/342; H04N7/18
Foreign References:
| JP2006234744A | 2006-09-07 | |||
| JP2003255475A | 2003-09-10 |
Attorney, Agent or Firm:
AIWA INTERNATIONAL PATENT AGENCY (JP)
It suits and is わ特許業務法人. (JP)
It suits and is わ特許業務法人. (JP)
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