Computer graphics processing and selective visual display system – Display peripheral interface input device
Patent
1992-06-02
1994-06-07
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display peripheral interface input device
345157, G09G 302
Patent
active
053193857
ABSTRACT:
A method for generating input commands to a computer running a program, the computer including a display and a pointer device for controlling a pointer on the display, the pointer device having a button for generating button events, the method including detecting a first button event that occurs at a first location of the pointer; detecting a second button event that occurs at a second location of the pointer; categorizing the second location relative to the first location; and based on said categorization, selecting a command to submit to the program.
REFERENCES:
patent: 4622641 (1986-11-01), Stephens
patent: 4686522 (1987-08-01), Hernandez et al.
patent: 4772882 (1988-09-01), Mical
patent: 4896291 (1990-01-01), Gest et al.
patent: 4937564 (1990-06-01), Oberg
patent: 4984152 (1991-01-01), Muller
Chow Doon
Digital Equipment Corporation
Weldon Ulysses
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