CRT deflection yoke with ringing suppression

Details CRT deflection yoke with ringing suppression CRT deflection yoke with ringing suppression

1990-06-22

1991-08-13

Issing, Gregory C.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315399, 335213, G09G 104, H01J 2956, H01H 100

Patent

active

050399225

ABSTRACT:
The saddle windings of the vertical deflection coils 31, 32 of a CRT are provided with external lines 11, 12 which establish distributed capacitances with the turns of the windings. Such lines present low impedance flow paths for unbalanced ringing currents induced in the vertical deflection coils by a high frequency horizontal deflection field, thus damping/dissipating the ringing currents and preventing their distortion of the displayed image.

REFERENCES:
patent: 3450935 (1969-01-01), Hursch
patent: 3851215 (1974-11-01), Dekeijser et al.
patent: 4232253 (1980-11-01), Mortelmans

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