Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1993-05-12
1999-10-26
Mengistu, Amare
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345273, 345274, G09G 534
Patent
active
059736631
ABSTRACT:
A visually aging scroll bar is associated with a window or viewport on a computer display as part of a computer system, and contains a slider to indicate relative positioning in the window of a document, such as a data file, image file, audio file, text file, or spreadsheet. The current position of the scroll bar slider is monitored by the computer system. After a first predetermined sampling period has elapsed, a first region matching the current position of the scroll bar slider is created. The visual appearance of the region is determined by a predetermined region heating rate. For example, a newly created region starts at "cold", which can be indicated by a violet-indigo color. After a second sampling period has elapsed, the computer system again checks the current position of the scroll bar slider. If the current position still matches the first region, the visual appearance of the first region symbolically "warms up" as indicated by the region heating rate. This incrementally changing visual appearance (for example, from violet to indigo, blue, green, yellow, orange and finally a deep red) continues for as long as the current slider position matches the first region, up until a maximum region symbolic "temperature" is reached.
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Graphical Method of Indicating the Position of and Performing an Operation on a Plurality of Selected Objects in a Computer System, U.S. application No. 07/619,628, Torres et al., filed Nov. 28, 1990.
Scrollbar Having System or User Provided Information, U.S. application No. 07/531,213, Cina et al., filed May 31, 1990.
"Visual Scroling Technique for Scrolling Bar" D.F. Murray and R.J. Torres, Jan. 1989.
Bates Cary Lee
Ryan Jeffrey Michael
International Business Machines - Corporation
Mengistu Amare
Roth Steven W.
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