Asymmetry forming arrangement in a deflection winding

Details Asymmetry forming arrangement in a deflection winding Asymmetry forming arrangement in a deflection winding

1999-04-16

2000-08-22

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

313440, H01F 700

Patent

active

061079049

ABSTRACT:
A deflection yoke for a cathode-ray tube of a video display, includes a pair of horizontal deflection windings and a pair of vertical deflection windings. The pair of vertical deflection windings includes a saddle-shaped winding. The saddle-shaped winding includes a front end winding portion, close to a screen of the cathode ray tube, a rear end winding portion, remote from the screen and a pair of side winding portions, between the front and rear end portions. The saddle-shaped winding is disposed generally symmetrically with respect to a plane of symmetry. A depression or notch is formed in the front end winding portion for varying a winding distribution locally. The depression or notch forms asymmetry with respect to the plane of symmetry.

REFERENCES:
patent: 4038621 (1977-07-01), Chiodi et al.
patent: 4937931 (1990-07-01), Jacobs et al.
patent: 5302927 (1994-04-01), Fourche et al.
patent: 5455483 (1995-10-01), Azzi et al.

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