Large sheet guard wire magnetic coding off-line detector
Disclosed is a large-piece secure line magnetic encoding off-line detector, which belongs to a banknote printing device aiming to solve the problems of difficult safety magnetic coded message detection on the paper or low detection precision and high false detection rate of the current similar equip...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Disclosed is a large-piece secure line magnetic encoding off-line detector, which belongs to a banknote printing device aiming to solve the problems of difficult safety magnetic coded message detection on the paper or low detection precision and high false detection rate of the current similar equipment, and the off-line detector is mainly characterized in that a paper-conveying side lay plate, a front lay and a clamping paper feed link gear, a positioning front stop lay, an upper belt group and a tension device, a lower belt group and a tension device, as well as a magnetic detection mechanism arranged between the two former parts are disposed in a casing, and the magnetic detection mechanism includes a pressure adjustable brush press paper device, an arc elastic press paper sheet and a belt support roller device, an arc face is positioned under the pressure adjustable brush press paper device, a signal acquisition magnetic head and the belt support roller device are positioned under the arc face of the elas |
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