Valuable file identification device
作者： Dingxi Chen , Guang Chen , Kun Wang , Tiancai Liang
DOI:
关键词: Engineering 、 Tension (physics) 、 Computer hardware 、 Information acquisition 、 Identification device 、 Drum 、 Acoustics 、 Clamping
摘要: A valuable file identification device, comprising a housing (1); hollow transparent drum (21); an annular clamping belt (41) supported by at least two tension rollers (301-312) and pressing against the (21), outer surface of (21) forming conveying channel for file, length being greater than that in direction; one information acquisition device (51), element (51) adjacent to inner facing part (41), fixed relative side wall (11, 12) power-driven respectively driving move synchronously opposite directions.
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