Audible security validator

Details Audible security validator Audible security validator

1983-10-05

1986-01-07

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

194 4R, 209534, 381 52, 382 65, 434116, G06K 900

Patent

active

045637717

ABSTRACT:
A security validator particularly adapted for use by the blind. The validator includes sensors testing both top and bottom portions of a note to determine its authenticity and its denomination. Upon completion of the sensing operation, a voice recording or other audible indicia is emitted, indicating both the denomination and validity of the note. The invention also includes various devices for urging the note toward the sensor to assure high resolution data gathering. Additionally, testing of the note begins on the "green edge" of the note to assure that data is gathered from proper positions along the note.

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