Video projector

Details Video projector Video projector

H - Electricity

04

N

88/52

H04N 9/31 (2006.01)

Patent

CA 1246908

Abstract of the Disclosure A top to bottom focussing arrangement which maintains convergence is provided for a video projector employing separate red, green and blue cathode ray tubes (CRT's) and a dichroic mirror assembly. Each CRT has a mounting bracket, and the mounting bracket is pivotably mounted with respect to the dichroic mirror assembly to permit changes in the inclination of the longitudinal axis of the CRT to be effected. Simultaneous and equal changes in the inclinations of the longitudinal axes of the CRT's are effected by means of a rotatable member having rigid connecting arms pivotably connected thereto and pivotably connected to the mounting brackets.

461067

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