Data processing system with a touch screen and a digitizing tabl

Details Data processing system with a touch screen and a digitizing tabl Data processing system with a touch screen and a digitizing tabl

1993-07-26

1995-03-28

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345174, 345177, 345179, 178 18, G09G 302

Patent

active

054021510

ABSTRACT:
A data processing system includes a multipurpose data input device formed by a touch screen and a digitizing tablet integrated with one another, which are activatable independently of each other by proper stimuli. The touch screen and the digitizing tablet each comprise a respective sensing means to sense the proper stimuli. The respective sensing means comprise respective components for producing respective signals representative of the proper stimuli, the respective components being physically and functionally distinct from one another. The input device is integrated with a flat panel display in order to establish a visual feedback to the user or to present information pertaining to the entered data after processing. The flat panel display, touch screen and digitizing tablet take a variety of forms and a variety of techniques are utilized to determine which of the touch screen and digitizing tablet is activated at any time.

REFERENCES:
patent: 5231381 (1993-07-01), Duwaer

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