Cathode ray tube

Details Cathode ray tube Cathode ray tube

1996-03-28

1998-05-26

Coles, Sr., Edward L.

Television

Video display

Cathode-ray tube

348822, 348823, 348824, 33477R, 220 21R, 220 23A, H04J 565, H01J 3100, H01J 6130, H01K 142

Patent

active

057574421

ABSTRACT:
A cathode ray tube having an improved safety feature in preparation for the accidental implosion of a high vacuum cathode ray tube is provided. The cathode ray tube comprises a panel, a funnel sealed with the panel, and an implosion preventing band mounted on a sealing portion of the panel and the funnel, further comprising a flexible auxiliary panel which externally covers the panel and whose skirt is adhered to the sealing portion by means of the implosion preventing band. Thus, an external impact is not directly transmitted to the CRT, and the danger due to the implosion of the front of the panel is reduced. Also, the effectiveness of the implosion preventing band can be improved.

REFERENCES:
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patent: 4031553 (1977-06-01), Sumiyoshi et al.
patent: 4168010 (1979-09-01), Dougherty
patent: 4563612 (1986-01-01), Deal et al.
patent: 4626740 (1986-12-01), Fitzpatrick
patent: 4641059 (1987-02-01), Sumiyoshi et al.
patent: 4656522 (1987-04-01), Piascinski et al.
patent: 4930015 (1990-05-01), Dougherty et al.
patent: 5072301 (1991-12-01), Dziedzic
patent: 5080622 (1992-01-01), Tuin et al.

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