发明名称 IMAGE READER
摘要 PROBLEM TO BE SOLVED: To provide an image reader which has a light source giving a uniform illumination distribution on an original platen and precisely reproduces an image of a document. SOLUTION: As a light source means 3, two plane light sources 3a and 3b are arranged opposite the optical axes. The angleθof the plane light sources 3a and 3b to the original platen 1 is 45 deg.. Consequently, the illumination on the document surface becomes uniform, so the image reader can precisely reproduce the image of the original.
申请公布号 JP2002176533(A) 申请公布日期 2002.06.21
申请号 JP20000373870 申请日期 2000.12.08
申请人 RICOH CO LTD 发明人 SAKURAI YASUO;FUJIMURA KAZUHIKO;SHIMIZU HISASHI;SUGAWARA ATSUSHI
分类号 G06T1/00;H04N1/04;H04N1/10;H04N1/107;(IPC1-7):H04N1/04 主分类号 G06T1/00
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