Handwritten keyboardless entry computer system

Details Handwritten keyboardless entry computer system Handwritten keyboardless entry computer system

G - Physics

06

F

354/229

G06F 3/033 (2006.01) G06K 9/62 (2006.01) G06K 11/06 (2006.01)

Patent

CA 1341493

A keyboardless entry computer system includes a transparent input screen that generates positional information when contacted by a stylus, and a display screen mounted physically below the input screen such that a character that is displayed can be seen below the input screen. The system includes a computer that has been programmed to compile the positional information into Strokes, to calculate Stroke characteristics, and then compare the Stroke characteristics with those stored in a database in order to recognize the symbol drawn by the stylus. Key features of the system are: (1) transparent position sensing subsystem; (2) underlying display on which to mimic drawing of sensed positions and to show characters or symbols; (3) means to convert sensed positions first into plotted Points and then into recognized characters or symbols; and (4) means to "learn" to associate sensed input positions with a character or symbol.

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