Pen input and output unit

Details Pen input and output unit Pen input and output unit

1995-02-24

1996-06-11

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345179, 345156, 382187, G09G 500

Patent

active

055260233

ABSTRACT:
In a pen input and output unit for inputting data by contacting a pen on an input surface of a tablet device and for displaying the input data, display data is updated by detecting that the pen is traveled by a predetermined distance while the pen is in contact with the input surface of the tablet device. The display data can continuously be updated by sliding, reciprocally traveling, circulating or the like the pen on the input surface.

REFERENCES:
patent: 5166666 (1992-11-01), Tanaka
patent: 5285506 (1994-02-01), Crooks
patent: 5347295 (1994-09-01), Agulnick
"Microsoft Windows" 1985-1990. pp. 22 and 47. Microsoft Corporation.

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