Picture display device with interference suppression means

Details Picture display device with interference suppression means Picture display device with interference suppression means

1989-02-14

1990-04-03

Yusko, Donald J.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

315 85, 335214, H01J 2906

Patent

active

049143506

ABSTRACT:
Picture display device having a display tube and a deflection unit comprising a field deflection coil and a line deflection coil. To comply with a predetermined interference radiation standard, the picture display device is provided with one interference suppression coil or system of interference suppression coils is orientated and can be energized in such a manner that, measured at a predetermined distance from the picture display device, the strength of the dipole component is below a desired standard.

REFERENCES:
patent: 2994803 (1961-08-01), Goldberg
patent: 3879633 (1975-04-01), Stark
patent: 4634930 (1987-01-01), Toshiyasu

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