METHOD AND APPARATUS FOR KEEPING A DOCUMENT IN FOCUS DURING NONCONTACT SCANNING

This invention relates to a scanning device for scanning a document such as a photograph using an image sensor device that uses optics that may have a narrow depth of focus, the scanning avoiding contact of the document by the image sensor device during scanning. That is, the focal volume of the sen...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LARKIN, ERIC, CHANG, ANA, RINALDIS, DAVID, SHAUGHNESSY, HELEN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
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