Stretching scales for computer documents or drawings

Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel

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Details

345145, G09G 500

Patent

active

055260187

ABSTRACT:
Visible data displayed by a computer program on a computer screen can be stretched easily by a variable amount. This system allows a scale or ruler device on the screen to be stretched vertically or horizontally, as appropriate, by use of a pointing device such as a mouse or light pen. As the scale or ruler is stretched, its display is continually updated by the computer program to show its new position as a result of the stretched. This gives the program's user a precise visual indication of how much additional stretching is required to complete the desired amount of stretching. Upon terminating the stretching operation, the computer program's data is recalculated and appropriate data displayed relative to the scale or ruler's final position.

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patent: 5146555 (1992-09-01), Kiyohara
patent: 5202671 (1993-04-01), Aranda et al.
patent: 5303144 (1994-04-01), Kawashima et al.

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