Projection television tube system and method of producing same

Details Projection television tube system and method of producing same Projection television tube system and method of producing same

1976-06-04

1977-05-17

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358237, 358247, 358248, H04N 574, H04N 5645

Patent

active

040245799

ABSTRACT:
A color projection television receiver and projector having three color tubes mounted in fixed relation and in predetermined location relative to a screen for projecting three color pictures in registration thereon. Accurate registration of the pictures results from a projection tube structure adapted for accurate reproducability in production, whereby field adjustment is minimized. The tube structure employs a mounting barrel accurately suspended within the evacuated envelope and supporting a phosphor-coated target and a projection mirror. A Schmidt correction lens is mounted externally to the envelope of each tube.

REFERENCES:
patent: 2756415 (1956-07-01), Epstein

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