Television projector for projection display

Details Television projector for projection display Television projector for projection display

1990-04-26

1991-04-23

Peng, John K.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 61, 358 62, 358 64, H04N 931

Patent

active

050103962

ABSTRACT:
A TV projector for a three-tube projection display which projects a red picture, a green picture and a blue picture by three TV projectors. The TV projector comprises a projection TV CRT and a compound lens including a component lens containing a light-absorbing substance capable of absorbing light components of the corresponding color picture in the sideband of the spectrum of the color picture. The TV projector is capable of projecting individual monochromatic color pictures of high purity to display a high-contrast color pictures having no color shade on a screen.

REFERENCES:
patent: 3004099 (1961-10-01), Harries
patent: 4376949 (1983-03-01), Rowe
patent: 4621294 (1986-11-01), Lee
patent: 4679069 (1987-07-01), Andrea
patent: 4714956 (1987-12-01), Yin
patent: 4766498 (1988-08-01), Spruit
patent: 4807014 (1989-02-01), Van Gorkum

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