Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1994-06-23
1995-12-05
Brier, Jeffery
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345139, G09G 508
Patent
active
054733430
ABSTRACT:
A method and computer system detects when a user of a computer depresses and releases a modifier key, for example, the CTRL key. The computer is programmed under a routine to locate the position of an active point of a cursor that is displayed on a computer screen. The computer thereafter generates and sequentially displays on the computer screen, concentric rings of decreasing size that radiate inward, centered on the active point, to thus help a user visually locate the cursor on the computer screen.
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Brewer Timothy T.
Kimmich Jon B.
Van Flandern Michael W.
Brier Jeffery
Microsoft Corporation
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