Image sensing operator input device

A computer input device detects images on a surface. The computer input device generates input information indicative of a change event when the device switches from reading one predetermined pattern to reading another predetermined pattern. The present invention can also be directed to a method of...

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Bibliographic Details
Main Authors ADAN MANOLITO E, LIPSCOMB TERRY M
Format Patent
LanguageEnglish
Published 16.04.2002
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A computer input device detects images on a surface. The computer input device generates input information indicative of a change event when the device switches from reading one predetermined pattern to reading another predetermined pattern. The present invention can also be directed to a method of using the input device or printable medium with the predetermined patterns disposed thereon.
Bibliography:Application Number: US20000692120