Data-sensing verification system and method

A data-sensing verification system and method for verifying the validity of a signal representative of data contained in a marking location on a document having a plurality of control marks associated with the marking location. The data is sensed and a signal is generated representative thereof. The...

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Bibliographische Detailangaben
Hauptverfasser: HORVATH, EDWARD E, JANOSKI, ROBERT M
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A data-sensing verification system and method for verifying the validity of a signal representative of data contained in a marking location on a document having a plurality of control marks associated with the marking location. The data is sensed and a signal is generated representative thereof. The control marks are sensed and control signals are generated in response thereto. The data signal is sampled in response to the control signals and an output indicative of the validity of the data signal is generated as a function of the existence of a selected relationship between the samples.