Color television display tube with resistor for interference rad

Details Color television display tube with resistor for interference rad Color television display tube with resistor for interference rad

1980-09-25

1983-04-19

Demeo, Palmer C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313408, 313479, H01J 2996, H01J 2988, H01J 2981

Patent

active

043807151

ABSTRACT:
Interference radiation produced by a color television tube during operation is reduced by incorporating a resistor of approximately 5 kOhm to 100 kOhm between a shadow mask and a conductive layer on the tube's display screen. This resistor reduces by 4-6 dB electromagnetic energy radiated by the tube in the frequency band of approximately 150 kHz to 1.5 MHz.

REFERENCES:
patent: 3295008 (1966-12-01), Gallaro et al.
patent: 3502942 (1970-03-01), Khan et al.
patent: 3931541 (1976-01-01), Brenner, Jr.
patent: 4188564 (1980-02-01), Zegers et al.

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