发明名称 OPTICAL INFORMATION READER AND DELIVERY INFORMATION TRANSMITTING SYSTEM USING IT
摘要 <P>PROBLEM TO BE SOLVED: To solve uncomfortableness caused by illumination light entering a view field of a person around a two-dimensional code reader when the illumination light lighting the two-dimensional code is turned on or flashed always in a fixed type two-dimensional code reader having an upward reading port. <P>SOLUTION: An imaging element acquires optical information as image information of light from the optical information and stores the acquired image in an image storage part. When the image acquired by the imaging element is changed, lighting control is carried out for projecting light to the optical information. In this way, uncomfortableness caused by the illumination light can be prevented. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004005336(A) 申请公布日期 2004.01.08
申请号 JP20020209051 申请日期 2002.07.18
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 YOSHIHARA SATOSHI;KANNOU TETSUYA;IMAI HIDEKI;SANO MASAAKI;NAKAMURA TATSUYA;FUJII NOBUHIKO;DAN MASAHIRO;NISHIKAWA HIROSHI
分类号 G06K19/07;G06K7/00;G06K7/10 主分类号 G06K19/07
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