G - Physics – 06 – K
Patent
G - Physics
06
K
354/57
G06K 9/68 (2006.01) G06K 9/00 (2006.01) G06K 9/80 (2006.01) G07D 7/00 (2006.01)
Patent
CA 1164100
Abstract of the Disclosure A universal document validator in which a document is transported along a path from an entrance toward an exit past an array of a plurality of photo- responsive elements positioned at a predetermined location along the path. In response to the arrival of the docu- ment at one or more predetermined positions along the path, an area or areas thereof are illuminated and light from the illuminated area is directed over the array of photosensitive elements. A microprocessor unit extracts from the illuminated array pictures of the areas in terms of the number of elements thereof activated to a pre- determined level and, for each picture, compares this element with a first stored number, corresponding to the minimum number of elements which must be illuminated for an acceptable document and with a second number corres- ponding to the maximum number of elements which should be illuminated for an acceptable document to produce a validating signal when the number of activated elements for each picture falls within the limits determined by the first and second numbers and for rejecting the document when the activated number of elements is outside the limits. The microprocessor unit of my document validator is adapted to be set up to feed information to the memories carrying the first and second numbers in response to the documents past through the system to cause the validator to learn to validate a different type of document. The universal document validator is readily adapted to be set up selectively to validate a plurality of documents of different types.
389275
Macrae & Co.
Rowe International Inc.
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