Projection television set up method and apparatus

Details Projection television set up method and apparatus Projection television set up method and apparatus

1983-10-12

1986-09-09

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 64, H04N 931

Patent

active

046112413

ABSTRACT:
A three tube projection color television system for use with a remote viewing surface is set up by applying a distinct white vertical bar pattern video signal comprising a delayed horizontal pulse to the CRT video drive circuits and changing the relative position between the CRT's and the remote viewing surface while observing the convergence of the distinct white vertical bar pattern on the remote viewing surface.

REFERENCES:
patent: 3969648 (1976-07-01), Hergenrother et al.
patent: 4297619 (1981-10-01), Kiteley
patent: 4414567 (1983-11-01), Berke et al.
patent: 4432011 (1984-02-01), Lehnert

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