Picture display device, projection device provided with three su

Details Picture display device, projection device provided with three su Picture display device, projection device provided with three su

1992-03-26

1998-03-24

Lee, Thomas D.

Television

Video display

Cathode-ray tube

348830, 348824, H04N 5647

Patent

active

057318220

ABSTRACT:
A picture tube and lens system are combined to form a picture display device for use in a projection device. The lens system is mounted in an extension of the tube envelope.

REFERENCES:
patent: 4631594 (1986-12-01), Imabayashi
patent: 4646143 (1987-02-01), Watanabe et al.
patent: 4651217 (1987-03-01), Yamazaki
patent: 4725755 (1988-02-01), Hasegawa
patent: 4729031 (1988-03-01), Saito et al.
patent: 4933599 (1990-06-01), Fukuda

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