Beam-index line-screen television display systems

Details Beam-index line-screen television display systems Beam-index line-screen television display systems

H - Electricity

04

N

345/15, 350/74,

H04N 9/16 (2006.01) H04N 9/31 (2006.01)

Patent

CA 1080347

ABSTRACT OF THE DISCLOSURE Beam-index line-screen television display systems are disclosed for generating multi-color images throughout the size range from small direct view cathode ray tubes to projection type wall screen configurations. The image in the small screen display is generated by a scanning electron beam whereas the image generated in the large screen configuration is developed by a scanning optical beam. In both cases the excitation of the image producing target screen is synchronized by beam-indexing features which utilize optical index signals transmitted across the target screen.

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