Video projector with mounting assembly enabling longitudinal axe

Details Video projector with mounting assembly enabling longitudinal axe Video projector with mounting assembly enabling longitudinal axe

1984-09-06

1986-08-19

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 64, H04N 931

Patent

active

046072802

ABSTRACT:
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.

REFERENCES:
patent: 2965706 (1960-12-01), Ridgeway
patent: 2973683 (1961-03-01), Rowe et al.
patent: 4151554 (1979-04-01), Tucker

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