CRT shield

Details CRT shield CRT shield

1974-10-29

1976-04-20

Britton, Howard W.

Telegraphy

Systems

Simplex-reversing periodic

29 2513, H01J 900, H01J 2986, H04N 565

Patent

active

039521524

ABSTRACT:
A CRT shield comprising a woven metallic mesh screen seam welded to a metal collar which is perforated around its periphery. The collar is fitted over the face of the CRT with an implosion screen and a plastic mounting housing positioned in turn over the face of the screen and then potted with an epoxy resin through the perforations in the collar to form one rigid, bonded structure. A tapered metal shielding is then fitted in overlapping relationship with the collar, and a metal end cap fitted over the neck of the CRT and overlaps the tapered shield in order to completely surround the CRT with metal shield material.

REFERENCES:
patent: 2673342 (1954-03-01), Sims
patent: 2977412 (1961-03-01), Rhodes
patent: 3610994 (1971-10-01), Sheldon
patent: 3623196 (1971-11-01), Bongenaar

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