Audible security validator

Claim 1

A table top security validator for determining the validity and denomination of paper currency, regardless of which of the four common orientations in which the bill is presented, said validator comprising: (a) a casing having a tray for receiving and defining a path for a piece of currency; (b) conveyor means for transporting the currency along said path; (c) means for activating said conveyor means when a piece of currency is present; (d) sensor means of the reflectance type positioned along the path for obtaining data from the currency, said sensor means including a pair of sensors, one each above and below said path; (e) means in juxtaposition to each said sensor for urging the currency toward each said sensor such that a high resolution data reading may be obtained; (f) processing means connected to and receiving said data from said sensor means; (g) said processing means determining, from data received from said sensor means, where a margin on said currency terminates and a data-bearing portion begins, said processing means receiving and processing data only beyond said margin; (h) said processing means containing data for determining the authenticity and denomination of a plurality of denominations of currency, irrespective of the four possible attitudes in which the currency is presented into said tray; and (i) means for audibly identifying such piece of currency as to its validity and denomination.