发明名称 Scanner provided with movable planar light source
摘要 An image scanner comprising an image pick-up device and a planar light source. Backlight is generated by the planar light source and transmitted through a object. The image of the object is focused on the image pick-up device. In scanning operations, the planar light source and the image pick-up device are synchronously moved to scan the object.
申请公布号 US6819456(B1) 申请公布日期 2004.11.16
申请号 US19990368610 申请日期 1999.08.05
申请人 BENQ CORPORATION 发明人 CHEN CHIH-MING
分类号 H04N1/04;G03B27/54;H04N1/028;H04N1/10;H04N1/193;(IPC1-7):H04N2/04 主分类号 H04N1/04
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