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Composite Computer Input/Output Device Disclosure Number: IPCOM000038807D
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-01

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Campagna, FJ Pruett, DR [+details]


Described is an input/output device 10 based on a liquid crystal display (LCD) and a high resolution high-performance graphics tablet. The design incorporates a digitizer tablet into a liquid crystal display package so that one can input and output via a single device. The figure illustrates the structure of the disclosed device. The graphics tablet utilizes a technology called "resistive decoding". The tablet is available in a number of types of surfaces from transparent to opaque. The graphics tablet electronically senses the position of a stylus on its surface and reports this position to a computer in a digital form (format) it can understand.