Deflection unit for color television display tubes

Details Deflection unit for color television display tubes Deflection unit for color television display tubes

1979-01-26

1980-12-02

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335213, H01F 312

Patent

active

042374375

ABSTRACT:
A deflection unit for in-line color television display tubes having a line deflection coil and a field deflection coil, the field deflection winding having a slightly pronounced barrel-shaped field deflection field in the middle and on the screen side of the deflection unit and being combined with field-forming means (in particular soft-magnetic segments which are placed between the line and field deflection coils) to generate a pronounced pin-cushion-shaped field on the gun side of the deflection unit. As a result of these measures, the deflection unit couples a coma-free field deflection field with a minimum EW-field distortion.

REFERENCES:
patent: 3899761 (1975-08-01), Yamauchi
patent: 4109220 (1978-08-01), Peart

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