Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1995-11-22
1999-09-28
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345507, 345127, 345131, 382298, G09G 526
Patent
active
059596058
ABSTRACT:
A method and device for selectively displaying a magnified image which permits an operator to appreciate the magnified image in its original context. The device includes a main monitor, a magnifier monitor, associated memories, and a controller. The magnifier monitor is movably mounted with respect to the main monitor. The position of the magnifier monitor in two dimensions represents the approximate center of a region on the main monitor to be magnified. The magnifier monitor is movable in a third dimension, and the position of the magnifier in the third dimension is used to determine the degree of magnification desired.
REFERENCES:
patent: 4366475 (1982-12-01), Kishi et al.
patent: 4532605 (1985-07-01), Waller
patent: 4800379 (1989-01-01), Yeomans
patent: 4991935 (1991-02-01), Sakurai
patent: 5315377 (1994-05-01), Isono et al.
patent: 5874965 (1999-02-01), Takai et al.
Frenel Vanel
Fry John J.
Gurin Timothy B.
Hjerpe Richard A.
Picker International Inc.
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