Projection color TV using CRTs having interference filters with

Details Projection color TV using CRTs having interference filters with Projection color TV using CRTs having interference filters with

1988-12-23

1990-04-03

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 64, 313478, H04N 916, H04N 931

Patent

active

049145118

ABSTRACT:
The variation in center-to-edge luminance gradient along the minor axis of the red-emitting and/or blue-emitting tube having a multilayer interference filter, is reduced by reducing the number of layers in the filter making it easier to match the gradients to that of the green-emitting tube, and thereby improve the white field uniformity of a projection color TV employing three monochrome cathode ray tubes.

REFERENCES:
patent: 3946267 (1976-03-01), Lustig et al.
patent: 4634926 (1987-01-01), Vriens et al.
patent: 4679069 (1987-07-01), Andrea et al.
patent: 4683398 (1987-07-01), Vriens et al.
patent: 4807014 (1989-02-01), Van Gorkum et al.

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