Projection lens

Details Projection lens Projection lens

1977-12-23

1979-08-07

Sacher, Paul A.

350189, G02B 914

Patent

active

041636040

ABSTRACT:
A three element lens particularly adapted to project an image appearing on a cathode ray tube.

REFERENCES:
patent: 3194116 (1965-07-01), Altman
patent: 3438697 (1969-04-01), Melech
patent: 3944337 (1976-03-01), Ruben

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