Inwardly convex vacuum envelope

Details Inwardly convex vacuum envelope Inwardly convex vacuum envelope

1994-01-28

1996-04-23

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

220 21R, 220 21A, H01J 3100, H01J 6130

Patent

active

055106714

ABSTRACT:
A display device capable of bearing the stress due to vacuum condition and capable of reducing both weight and depth simultaneously, by incorporating a vacuum envelope with glass screen having a front section made in a curved panel and a rear section being concave toward the inside of the vacuum envelope.

REFERENCES:
patent: 2255431 (1941-09-01), Marden et al.
patent: 2760119 (1956-08-01), Toulon
patent: 3064154 (1962-11-01), Law
patent: 4180760 (1979-12-01), Chang
patent: 4808890 (1989-02-01), Yamazaki

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