Deflection yoke

Details Deflection yoke Deflection yoke

1990-02-09

1991-05-21

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335211, 313440, H01F 500

Patent

active

050179004

ABSTRACT:
A deflection yoke is constructed of a truncated conical hollow core, a pair of saddle-shaped horizontal deflection coils disposed inside the core, and a pair of toroidal vertical deflection coils wound on the core or a pair of vertical deflection coils wound in a saddle-like configuration and arranged in the vicinity of the core. A pair of cancellation coils opposing each other on an imaginary axis which passes through a central axis of the core in the direction of vertical deflection are arranged near front end sections of the vertical deflection coils, respectively. A central axis of each of said cancellation coils is inclined at a predetermined angle relative to the central axis of the core. The cancellation coils are connected with the horizontal deflection coils, respectively.

REFERENCES:
patent: 4853588 (1989-08-01), Ohtsu et al.
patent: 4882521 (1989-11-01), Arimoto

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