Split type deflection coil separator for avoiding axial deviatio

Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means

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335210, 335213, H01F 700, H01F 502

Patent

active

059457791

ABSTRACT:
A split type coil separator which does not easily generate axial deviation, is formed as a split type coil separator which is composed of a neck portion side coil separator and a funnel portion side coil separator. A coupling structure is provided at the contact surfaces of the neck portion side coil separator and funnel portion side coil separator. The coupling structure is composed of a neck portion side coupling portion and a funnel portion side coupling portion. A pair of coupling projections are provided at the positions opposed by almost 180 degrees in the neck portion side coupling portion, while a coupling recessed portion is formed to the internal circumference surface corresponding to the coupling projections. When both coil separators are coupled and fixed by this coupling structure, respective coil separators are integrated without generation of axial deviation and eccentricity of center axes. Thereby, predetermined deflecting condition can be realized and the deflection adjusting work can also be eliminated.

REFERENCES:
patent: 5557165 (1996-09-01), Descombes et al.
patent: 5838098 (1998-11-01), Takagishi

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