Tensed mask color cathode ray tube and mask support frame theref

Details Tensed mask color cathode ray tube and mask support frame theref Tensed mask color cathode ray tube and mask support frame theref

1985-04-30

1987-08-11

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313482, 313477R, 220 21A, H01J 2907, H01J 2986

Patent

active

046864156

ABSTRACT:
A support frame for supporting a tensed mask adjacent to a flat panel tube and wholly within the tube includes an outer flange, a shelf extending from the flange parallel to the flat panel and providing a support surface for the tensed mask and a skirt directed away from the flat panel and adapted to join with the remainder of the tube. The configuration provides a very rigid support frame for resisting deformation when not bonded to the other tube elements, such as during screening of the panel when the support frame alone bears the forces exerted by the tensed mask.

REFERENCES:
patent: 2761990 (1956-09-01), Amdursky et al.
patent: 3440469 (1969-04-01), Bradu et al.
patent: 3638063 (1972-01-01), Tachikawa et al.
patent: 3873874 (1975-03-01), Shinal
patent: 3894321 (1975-07-01), Moore
patent: 4069567 (1978-01-01), Schwartz
patent: 4495437 (1985-01-01), Kume et al.
patent: 4547696 (1985-10-01), Strauss

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