A DARK TRACE, LARGE SCREEN DISPLAY
Mildenbuerger, S. J.
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A feasibility study of dark-trace cathode ray tubes for large screen display of high resolution cartographic data,is described. Following a comprehensive study of various display methods, optical projection of dark trace tube images was chosen for experimental investigation. Var- ious types of cathodochromic targets and optical systems were studied. It was found that a satisfactory system could not be constructed using available components, but would require the design of a unique CRT target and optics system.