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Patent Searching and Data


Title:
光量調整システム
Document Type and Number:
Japanese Patent JP4444838
Kind Code:
B2
Abstract:
A light intensity adjustment system is provided which greatly decreases or makes unnecessary image compensation by the image processing device side, improves scan precision, and can reduce the scan time; and which comprises: a light irradiation device 1 that has multiple independently light intensity adjustable light irradiation units 11, and that irradiates light facing a predetermined target area A; a photographic device 2 that photographs said target area A through a lens, and outputs a target area image that is the photographed image; and a light intensity control unit 3 that controls the respective light intensities of said light irradiation units 11 so that the brightness of the various parts of the target area images that said photographic device 2 has output approaches a predetermined standard value.

Inventors:
Kenji Yoneda
Hirooka Shigehide
Application Number:
JP2004551236A
Publication Date:
March 31, 2010
Filing Date:
November 14, 2003
Export Citation:
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Assignee:
CCS Inc.
International Classes:
G01N21/84; G01N21/89; G01N21/892
Domestic Patent References:
JP54132131A
JP4248449A
JP63184171A
JP1297534A
Attorney, Agent or Firm:
Saito Shindai
Akiko Sato
Ryuhei Nishimura