Data processing information input using optically sensed...

Details Data processing information input using optically sensed... Data processing information input using optically sensed...

G - Physics

06

K

354/236, 340/135

G06K 11/06 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1319181

YO986-134 DATA PROCESSING INFORMATION INPUT USING OPTICALLY SENSED STYLUS FEATURES ABSTRACT User-machine interaction through a touch input display screen is enhanced through the use of surface coding in the form of stylus diameter or reflectivity peripheral surface features that are sensed in optical sensing apparatus.

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