Cathode ray tube construction for big screen display using a plu

Details Cathode ray tube construction for big screen display using a plu Cathode ray tube construction for big screen display using a plu

1996-07-26

1998-05-12

O'Shea, Sandra L.

Electric lamp and discharge devices

Plural unit

Cathode ray tube

313408, 313476, 313477R, 313422, H01J 3120

Patent

active

057510946

ABSTRACT:
A phosphor screen is formed on an inner surface of a faceplate and has a plurality of regions which are dividedly scanned by electron beams emitted from a plurality of electron guns. Support units are arranged between the faceplate and a rear plate of an envelope so as to support the faceplate and rear plate under atmospheric pressure. Each of the support units includes a plurality of support members, each having one end abutting against the faceplate and the other end abutting against the rear plate, and a plurality of connecting members each connecting a predetermined number of support members and fixed to the faceplate.

REFERENCES:
patent: 4900981 (1990-02-01), Yamszaki et al.
patent: 5287034 (1994-02-01), Kamohara et al.
patent: 5365142 (1994-11-01), Nishimura et al.
patent: 5506467 (1996-04-01), Nishimura et al.

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