Exposure apparatus

Details Exposure apparatus Exposure apparatus

1974-02-04

1976-04-06

Sheer, Richard M.

G03B 4100

Patent

active

039494110

ABSTRACT:
In exposure apparatus adapted to expose the phosphor on the face plate of a colour picture tube provided with a slot type colour selection electrode of the type comprising an exposure light source and a correction lens disposed between the light source and the colour selection electrode the exposure light source and the correction lens are moved with respect to the colour selection electrode.

REFERENCES:
patent: 3559546 (1971-02-01), McKee
patent: 3663854 (1972-05-01), Tsunesa et al.
patent: 3725106 (1973-04-01), Hosokoshi
patent: 3738234 (1973-06-01), Borden

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