Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Patent
1993-10-01
1995-03-14
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
361818, 348820, 174 35R, G09G 300
Patent
active
053980468
ABSTRACT:
A faceplate assembly has an electrically conductive grid, which is electrically connected to a suitable ground potential, positioned on or above a display screen of an interactive display terminal (IDT) where the grid has a plurality of optical pipes with metal walls, which provide electromagnetic interference (EMI) protection, and with optical cores, which enhance visibility, that optically pipe information originally displayed on the IDT screen which is piped to a viewing plane developed by the grid. A continuous, serpentine electrical conductor is carried by and positioned over the optical pipe walls by a flexible, transparent overlay sheet that can be flexed to bring a selected portion of the electrical conductor into an electrical switch closed position with an adjacent optical pipe wall(s). This selected grid position is electrically measurable and thereby determined.
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Eustis Eric R.
Szegedi Nicholas J.
Ellingsberg Donald J.
Hjerpe Richard
Litton Systems Inc.
Lun-Yz Lao
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