Projection tube and its application in a video projection system

Details Projection tube and its application in a video projection system Projection tube and its application in a video projection system

1994-09-30

1996-12-17

Lee, Micheal H.

Television

Video display

Projection device

348785, 348749, 348779, 353101, 353 54, H04N 574, H04N 931

Patent

active

055858678

ABSTRACT:
A projection tube featuring good accuracy in controlling a slant angle between a cathode ray tube and a projection lens, an excellent focusing performance, and further low production cost, and also a video projection systems which utilizes the foregoing projection tube. There are a spacing member to control the slant angle and according to the slant angle, both being built between a cathode ray tube and a radiator.

REFERENCES:
patent: 5298984 (1994-03-01), Numata

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