EMI/RFI shielding assembly for cathode ray tube monitors

Details EMI/RFI shielding assembly for cathode ray tube monitors EMI/RFI shielding assembly for cathode ray tube monitors

1986-10-06

1987-12-01

Grimley, Arthur T.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

358245, H05K 900

Patent

active

047105917

ABSTRACT:
The present disclosure describes a shielding assembly which finds particular application in the suppression of electromagnetic emissions from the face of a CRT mounted in a metal chassis. The assembly effects an emissions seal with two electrical terminations. A filter window with two contiguous but non-coextensive glass plates which provide a ledge around the window periphery is provided. An O-ring disposed on said ledge and wrapped with a sleeve of the fine metallic mesh laminated between the glass plates is compressed against a metallic bezel for a first termination. An EMI/RFI shielding gasket assembly is interposed between the bezel and the chassis to provide a second termination. '

REFERENCES:
patent: 3952152 (1976-04-01), Lill et al.
patent: 4247737 (1981-01-01), Johnson et al.
patent: 4623752 (1986-11-01), Steen et al.

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