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Patent Searching and Data


Title:
INFORMATION-CODE READING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/085331
Kind Code:
A1
Abstract:
[Problem] To provide an information-code reading device that can acquire an image so as to be capable of reading out not only an information code covered with a covering section that cannot transmit visible light but also an information code that is displayed on a screen. [Solution] An image of an information code is acquired by a first image acquisition unit 25a in a state in which visible light is radiated from first illuminating units 21a to 24a, and an image of the information code is acquired by a second image acquisition unit 25b in a state in which infrared light is radiated from second illuminating units 21b to 24b. In addition, a visible-light cut filter 29 that does not transmit visible light and that transmits infrared light is disposed according to the image acquisition area of the second image acquisition unit 25b.

Inventors:
YAMAMOTO KENRYO (JP)
KONOSU KOJI (JP)
KAMBE KAZUMI (JP)
MARUYAMA KENTAROU (JP)
Application Number:
PCT/JP2019/041389
Publication Date:
April 30, 2020
Filing Date:
October 21, 2019
Export Citation:
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Assignee:
DENSO WAVE INC (JP)
International Classes:
G06K7/10; G06K7/12; G06K7/14
Foreign References:
JP2007114869A2007-05-10
JP2017194788A2017-10-26
JP2015172930A2015-10-01
JP2008090733A2008-04-17
JPH09245115A1997-09-19
JPH08329172A1996-12-13
Attorney, Agent or Firm:
TOHDA, Kiyoshi (JP)
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