Color television picture tubes with improved implosion protectio

Details Color television picture tubes with improved implosion protectio Color television picture tubes with improved implosion protectio

1975-11-17

1977-03-15

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 565

Patent

active

040127737

ABSTRACT:
This disclosure depicts a novel facebond system for implosion protecting a rectangular, shadow mask type color television picture tube having a flangeless faceplate with a central viewing area and a relatively wide peripheral non-viewing area. The facebond system is illustrated as comprising, in its most general sense, a metal high tensile strength frame having a curvature similar to the curvature of the faceplate and having substantially the same rectangular shape and size of the faceplate. The frame has a substantially rectangular central window slightly larger than the viewing area of the faceplate and is bonded to the non-viewing area of the faceplate so as to environ the viewing area thereof. The system assists in retaining in position the shards of a shattered faceplate and thereby provides for a relatively gradual buildup of pressure in the tube.

REFERENCES:
patent: 3200188 (1965-08-01), Lange et al.
patent: 3340358 (1967-09-01), Gier et al.
patent: 3835250 (1974-09-01), Kaljuko et al.

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