Cathode ray tube apparatus with improved deflection unit

Details Cathode ray tube apparatus with improved deflection unit Cathode ray tube apparatus with improved deflection unit

1988-03-15

1989-10-24

Wieder, Kenneth

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313414, 313431, 313440, 335210, H01J 2956, H01J 2976

Patent

active

048764787

ABSTRACT:
In a color cathode ray tube, electron beams generated from an electron gun assembly of an in-line type are deflected by horizontal and vertical deflection magnetic fields. The horizontal deflection magnetic field includes a main magnetic field and an auxiliary magnetic field. The main magnetic field has a barrel-shaped distribution and is substantially symmetrically formed about a Y-Z plane and the auxiliary magnetic field is substantially antisymmetric about the Y-Z plane.

REFERENCES:
patent: 4041428 (1977-08-01), Kikuchi et al.
patent: 4415831 (1983-11-01), Konosu

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