Hybrid deflection system with quadripolar correction coils

Details Hybrid deflection system with quadripolar correction coils Hybrid deflection system with quadripolar correction coils

1977-01-19

1978-09-26

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 502

Patent

active

041174348

ABSTRACT:
A hybrid deflection system for a cathode ray tube in which toroidal-type quadripolar correction coils, having areas vacant of any windings within the coils, lie wound in accordance with a Fourier series winding distribution on a split ring magnetic core of the deflection system comprising saddle-type horizontal deflection coils and toroidal-type vertical deflection coils. Selected vacant areas of the quadripolar coils are positioned coincident with breaks in the split ring magnetic core to allow assembly of the core around the saddle-type horizontal deflection coils.

REFERENCES:
patent: 3849749 (1974-11-01), Kadota
patent: 4038621 (1977-07-01), Chiodi et al.

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