Cathode ray tube having stress resistant frame

Details Cathode ray tube having stress resistant frame Cathode ray tube having stress resistant frame

1989-09-11

1991-02-05

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313479, 358245, H01J 2986, H01J 2987

Patent

active

049908251

ABSTRACT:
A cathode ray tube for use as a video display or the like includes a panel, a funnel, and a stress resistant frame having an L-shaped bend and constituted by a metal frame joined to both the panel and the funnel. The stress resistant frame is adapted to reinforce the cathode ray tube against a tensile stress occurring due to a reduction in the internal pressure of the cathode ray tube.

REFERENCES:
patent: 2866187 (1958-12-01), Fisch
patent: 3404769 (1968-10-01), Bishop
patent: 4016364 (1977-04-01), Rogers
patent: 4054913 (1977-10-01), Lerner
patent: 4720657 (1988-01-01), Tischer
"Design of a CRT with a Nearly Flat Glass Face Plate and a Non-Glass Funnel Using Finite-Element Analysis" to Jain et al, Proceedings of the Society for Information Display (SID), vol. 27/4 (1986), New York, N.Y., USA.
"Recent Improvements in the 21AXP22 Color Kinescope" by R. B. Janes, L. B. Headrick, J. Evans. RCA Tube Division, Lancaster, Pa., pp. 143-145.
"The CBS-Colortron: A Picture Tube of Advanced Design" by N. F. Flyer, W. E. Rowe, C. W. Cain, Proceedings of the I-R-E, Jan., pp. 326-334.
"Phosphor-Strip Tricolor Tubes" by E. O. Lawrence, pp. 89-91.
"Frit-Sealed Metal--Glass CRTs with Near-Flat Faceplates" by Peter Seats, Thomas Electronics, Inc., Wayne, N.J., SID 84 Digest, pp. 342-344.

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