Correction filter for exposing screens of color- picture...

Details Correction filter for exposing screens of color- picture... Correction filter for exposing screens of color- picture...

H - Electricity

01

J

316/11, 313/35.1

H01J 9/20 (2006.01)

Patent

CA 1169465

N.Blahna-B.Fischer 1-21 CORRECTION FILTER FOR EXPOSING SCREENS OF COLOR- PICTURE TUBES, AND METHOD OF MANUFACTURING THE SAME Abstract of the Disclosure To obtain the desired light-intensity distribution in lighthouses for exposing color-picture-tube screens, use is made of light filters. The filter disclosed is obtained by spraying droplets of an opaque paint onto a suitable transparent support.

382767

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