Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Patent
1993-10-12
1997-04-15
Kuntz, Curtis
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
345156, G09G 500
Patent
active
056214383
ABSTRACT:
An integrated information processing apparatus is provided with a display device and a generally transparent input tablet having an input surface placed on a display surface of the display device for outputting a pointing coordinate which is a coordinate on the input surface pointed by a user's finger or an indicator. The apparatus includes a circuit for determining an indication direction extended point coordinate from the pointing coordinate output by the input tablet and a predetermined value, and a display processing section for displaying a point on the display surface of the display device corresponding to the determined indication direction extended point coordinate so that it is distinguishably displayed on the display device.
REFERENCES:
patent: 4710758 (1987-12-01), Mussler et al.
patent: 4737773 (1988-04-01), Kobayashi
patent: 4772763 (1988-09-01), Garwin et al.
"Description of Offset", On-Line Manual of Touch Driver Soft for MacIntosh, Microtouch Systems, Inc.
"Controller Commands", Touch Pen 2, User's Guide, Microtouch Systems, Inc.
"Pentable Tap of Pen in Pen Control", Windows for Pen, Microsoft.
Kamimura Toshio
Matsuda Yasumasa
Mese Michihiro
Nishiyama Kazuhide
Oeda Shigeto
Chang Vivian W.
Hitachi , Ltd.
Kuntz Curtis
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