Screening structure for a cathode ray tube display

Details Screening structure for a cathode ray tube display Screening structure for a cathode ray tube display

1982-11-02

1985-05-14

Chatmon, Saxfield

Electric lamp and discharge devices: systems

With electromagnetic wave radiation preventing or shielding...

313240, 313479, 358245, 315 8, H01J 152, H01J 502

Patent

active

045174946

ABSTRACT:
A screening structure for a cathode ray tube display includes at least a cathode ray tube pin socket, a cathode ray tube input pin and a video amplifier section joined as one body and enveloped with a first screening member which has high conducting characteristics, and a cathode ray tube cathode section enveloped with a second screening member which has high conducting characteristics, the first and second screening members being connected as one body in order that they may be maintained at the same high frequency potential. The screening members are joined to the standard potential part of the cathode ray tube display by a cable having a low high-frequency impedance.

REFERENCES:
patent: 3265920 (1966-08-01), Fiore
patent: 3431454 (1969-03-01), Sanders
patent: 3720781 (1973-03-01), West
patent: 3887833 (1975-06-01), Yamazaki
patent: 4392083 (1983-07-01), Costello
IBM Technical Disclosure Bulletin, vol. 21, No. 5, Oct. 1978, "Electromagnetic Wave Trap for CRT Video Emanation", by Harder et al., 313-479.

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