Method and device for illuminating the face plate of a color tel

Details Method and device for illuminating the face plate of a color tel Method and device for illuminating the face plate of a color tel

1986-05-29

1987-11-17

Griffin, Donald A.

G03B 4100

Patent

active

047070935

ABSTRACT:
Device for illuminating photosensitive light hardenable material for the manufacture of a perforated mask type color cathode ray tube, wherein this device comprises a laser, a light modulator and a deflector to deflect the modulated pencil of light, the light modulator and the deflector being controlled by a computer so that the luminous intensity received by each point of the screen is substantially constant.

REFERENCES:
patent: 3575627 (1971-04-01), Nicoll
patent: 3637410 (1972-01-01), Stevens
patent: 3783754 (1974-01-01), Takemoto et al.
patent: 3949226 (1976-04-01), Dugan et al.
patent: 3983613 (1976-10-01), Palac et al.
patent: 4053905 (1977-10-01), Schlafer
patent: 4053906 (1977-10-01), Schultz
patent: 4433384 (1984-02-01), Berrian et al.

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