Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-12-20
1998-03-31
Chin, Tommy P.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 51, 345 52, 345 10, H04N 1718
Patent
active
057344167
ABSTRACT:
In a projector, green CRT projection tubes for displaying pictures for the right and left eyes are arranged on the right and left sides with respect to a screen respectively, while a red CRT projection tube for convergence adjustment is arranged at the center. Further, the projector includes polarizing filters which are provided on respective front surfaces of the CRT projection tubes, a triple two-input one-output type selector switch, and a convergence adjusting picture signal source. In general, a right eye picture signal from a right eye picture signal source is supplied to the CRT projection tube through the selector switch, while a left eye picture signal from a left eye picture signal source is supplied to the CRT projection tube through the selector switch. At this time, the observer can visually recognize a stereoscopic monochromatic picture through polarizing glasses. In convergence adjustment, the convergence adjusting picture signal source generates a picture signal of a convergence adjustment image which is supplied to the projection tubes via the selector switch.
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Ito Toshinari
Mantani Yoshinobu
Chin Tommy P.
NEC Corp.
Nintendo Co. Ltd.
Rao Anand S.
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