Cathode ray tube having shadow mask with variable aperture...

Details Cathode ray tube having shadow mask with variable aperture... Cathode ray tube having shadow mask with variable aperture...

H - Electricity

01

J

313/35.16

H01J 29/07 (2006.01)

Patent

CA 1069165

CATHODE RAY TUBE HAVING IMPROVED SHADOW MASK Abstract A cathode-ray tube of the vertical line screen, slit apertured mask type includes a mask wherein the horizontal center-to-center spacing between adjacent apertures in the mask, and the spacing between the mask and screen, vary proportionally from the center to the edge of the mask.

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