Deflection yoke apparatus

Details Deflection yoke apparatus Deflection yoke apparatus

1997-12-11

1999-08-24

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

335210, 335213, H01J 2970

Patent

active

059428457

ABSTRACT:
In an inner bobbin 50, which has a deflection coil 80 wound on the inside face and has a ferrite core 70 to be arranged on the outside face, a plurality of guides 53, which support and connect a screen side base 51 and a neck side base 52, are connected with each other at a position near the neck side by forming a bridge 54, thereby decreasing deformation of guides when a deflection coil is wound, and constantly stabilizing winding distribution of deflection coil. Thus, a deflection yoke apparatus with little irregularity in function is realized. Further, with the provision of a recess 73 on the inside face of a ferrite core 70 to fit with said bridge 54 provided on the inner bobbin 50, the positioning of the ferrite core 70 against the inner bobbin 50 has become easy and reliable.

REFERENCES:
patent: 4786838 (1988-11-01), Meershoek et al.
patent: 5801481 (1998-09-01), Yokota

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