Deflecting device for cathode-ray tube

Details Deflecting device for cathode-ray tube Deflecting device for cathode-ray tube

1978-11-20

1981-03-17

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 312

Patent

active

042570239

ABSTRACT:
Disclosed is a deflecting device for a color cathode-ray tube which comprises a substantially tapered cylindrical core to be attached to the color cathode-ray tube, a pair of vertical deflecting coils facing each other and wound around the core to provide a barrel-distribution deflecting magnetic field, and a pair of horizontal deflecting coils inside said core for generating a pincushion-distribution deflecting magnetic field. This deflecting device further includes a correcting magnetic member arranged at the large-diameter end side of the core in the vicinity of each end of the pair of vertical deflecting coils.

REFERENCES:
patent: 2227711 (1941-01-01), Gunther
patent: 3899761 (1975-08-01), Yamauchi
patent: 4109220 (1978-08-01), Peart

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