Deflection coil

Details Deflection coil Deflection coil

1978-02-23

1980-01-01

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335213, H01F 700

Patent

active

041819080

ABSTRACT:
A coil frame comprises guides provided at the front and rear ends of a flared coil bobbin. Each guide has a plurality of circumferentially spaced winding insertion slots. The coil insertion slots in at least one of the guides are formed such that slot depth in the axial direction of a CRT is shallow in the vicinity of a window, with the depth of each slot becoming gradually deeper as the slots become more distant from the window. A deflection coil is formed by winding a deflection coil wire on the coil frame through the coil winding insertion slots of the guides such that a saddle-type deflection coil extends along the inside surface of the coil frame.

REFERENCES:
patent: 3895329 (1975-07-01), Logan et al.
patent: 4023129 (1977-05-01), Kratz et al.

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