FIELD: instruments. SUBSTANCE: device uses labels, which are located on bank notes for their reading by blind persons, and has optical transducer, photodetector and bank note value detector. Value of bank notes is detected by number and amplitude of optical signals reflected by labels. EFFECT: possibility of automatic detection of value of bank notes while they are counted. 2 cl, 2 dwg
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Authors
Dates
1998-11-20—Published
1997-08-21—Filed