Shadow mask mount for color picture tube

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield

Patent

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Details

313408, H01J 2907

Patent

active

047001054

ABSTRACT:
A plurality of spaced reinforcing plates 6 are provided around the periphery of a Hip Up configured shadow mask 2 and its support frame 3 in a color picture tube assembly to strengthen and stiffen the mounting arrangement and thereby reduce Z axis deviations of the mask due to thermal deformation and/or mechanical shock.

REFERENCES:
patent: 4327307 (1982-04-01), Penird et al.

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