Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Patent
1996-05-10
1998-07-07
Liang, Regina
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
345184, 341 23, G09G 500
Patent
active
057776032
ABSTRACT:
A flat panel display facilitates operation of one or more electrical circuit control devices by providing changeable images which convey information pertinent to operation of the circuit. The manually movable member of the circuit control device, such as a turnable knob for example, is attached to the face of the display within the image area of the display. The display has a light transparent zone within the image area which extends to the back of the display to enable photoelectric detection of the setting of the movable member by a detector which is situated behind the flat panel display. Row and column busbar conductors within the flat panel display, which control light intensity at image pixels, are routed around the light transparent zone to prevent optical signal degradation.
REFERENCES:
patent: 3826949 (1974-07-01), Nakamura et al.
patent: 4893115 (1990-01-01), Blanchard
patent: 5034602 (1991-07-01), Garcia, Jr. et al.
patent: 5418760 (1995-05-01), Kawashima et al.
Intertactile Technologies Corporation
Liang Regina
Zimmerman Harris
LandOfFree
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