Light source assembly for use in light exposing device of color

Details Light source assembly for use in light exposing device of color Light source assembly for use in light exposing device of color

1991-10-02

1993-01-12

Gellner, Michael L.

G03B 4100

Patent

active

051794004

ABSTRACT:
A light source assembly for use in a light exposing device of a color cathode ray tube is disclosed. The device comprises a cabinet having a mount for mounting the panel of a color cathode ray tube, a light source assembly, a light correcting means and a shutter means, the light source assembly, the light correcting means the shutter means being installed inside of the housing. Included with the light source assembly is a light pass amount adjusting mechanism capable of blocking and controlling, in a stepwise or non-stepwise manner, the light from a light exposing lamp. The adjusting mechanism is preferably provided at the front of the body of the assembly. The light amount from the light source assembly is variable, and therefore, the necessity of changing mechanisms which was required in conventional devices for light-exposing the panels of different kinds of cathode ray tubes is eliminated.

REFERENCES:
patent: 2439330 (1948-04-01), Zander
patent: 2553622 (1951-05-01), Zander
patent: 2735929 (1956-02-01), Erhardt et al.
patent: 4811182 (1989-03-01), Solomon
patent: 4866466 (1989-09-01), van der Waal

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