DEVICE FOR DETECTING A PLURALITY OF PAPERS IN PAPER CONVEYANCE

摘要

PROBLEM TO BE SOLVED: To provide a device for precisely detecting double feeding of papers at a low cost. SOLUTION: The device for detecting a plurality of papers 10 in a paper conveyance system comprises a transmitter 15 positioned at a first side of a paper feeding passage 40 and radiates a signal through the paper feeding passage. A reflector 52 positioned at a second side of the paper feeding passage reflects the signal through the paper feeding passage. A first sensor detects the signal from the transmitter and a second sensor detects the signal from the transmitter. COPYRIGHT: (C)2004,JPO&NCIPI