Virtual pointing device for touchscreens

Details Virtual pointing device for touchscreens Virtual pointing device for touchscreens

1996-06-13

1998-09-15

Powell, Mark R.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

345157, G06F 302

Patent

active

058086056

ABSTRACT:
A computer system, article of manufacture, and method direct a computer system, having at least a processor, memory, and touchscreen, to create a virtual pointing device. The method includes the steps of detecting a hand placed on the touchscreen creating a virtual pointing device on the touchscreen under at least a first portion of the hand, wherein at least a first area of the virtual pointing device is assigned a command, in response to activating the first area of the virtual pointing device, executing the command, and in response to movement of at least a second portion of the first portion of the hand, redefining the command.

REFERENCES:
patent: 4821030 (1989-04-01), Batson et al.
patent: 4914624 (1990-04-01), Dunthorn
patent: 5319747 (1994-06-01), Gerrissen et al.
patent: 5327161 (1994-07-01), Logan et al.
patent: 5335557 (1994-08-01), Yasutake
patent: 5376946 (1994-12-01), Mikan
patent: 5428367 (1995-06-01), Mikan
patent: 5461711 (1995-10-01), Wang et al.
patent: 5555894 (1996-09-01), Doyama et al.
"Touch and Go", article, Austin American-Statesman Newspaper, dated Apr. 8, 1996, pp. D and D2.

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