Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
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
Broome Harold
Tokyo Shibaura Denki Kabushiki Kaisha
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