Method for verifying the denomination of currency

摘要: A bill to be verified is scanned lengthwise by a two track optical sensor. For each the resulting analog signals are divided into eight segments or windows segment producing binary coded pattern produced delta modulation. This compared stored reference and number representing dissimilarity between being average of that denomination with which it compared. Thereafter, processor compares foregoing numbers additional quantitative functions have previously been relating corresponding other denominations. With use limit weighting they summed over different effective decision made as whether proper present.