| 摘要 |
FIELD: electronics, high-brightness kinescopes in projection television. SUBSTANCE: cathode-ray device has electron gun with high-voltage lead-in, electrostatic modulator, aberration diaphragm, focusing and deflecting systems, laser screen anchored on metal cooling agent pipe-line, additional high-voltage lead-in feeding high positive potential to laser screen and dielectric screen insulating laser beam from cooling agent pipe-line. EFFECT: enhanced functional characteristics of cathode-ray device. 3 cl, 2 dwgw
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