Method and system for data display and input via display screen

Details Method and system for data display and input via display screen Method and system for data display and input via display screen

G - Physics

06

F

375/39

G06F 3/033 (2006.01) G06K 11/00 (2006.01)

Patent

CA 1252583

ABSTRACT OF THE DISCLOSURE A graphic image display system allows image data input through an data input apparatus to be displayed precisely. The graphic image display system is also able to display graphic images with satisfactorily high resolution. The graphic image display system according to the present invention comprises a scanning laser beam and a thermal liquid crystal cell. The system further includes a transparent data touch tablet secured to a display screen. Auxiliary laser detectors may be added for reading the image written in the liquid crystal cell. Preferably, a common laser optical system is used to generate the display image and to read the written image.

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