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

1986-04-07

1990-07-03

Miller, Stanley D.

Telegraphy

Systems

Printing

350350S, 178 18, 340706, G02F 113, G09F 900

Patent

active

049385704

ABSTRACT:
A graphic image display system allows image data input through a 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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