Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1977-04-07
1978-06-20
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335210, H01F 500
Patent
active
040964620
ABSTRACT:
The present invention relates to a deflection yoke device which is preferably combined with an in-line type color picture tube having electron guns aligned horizontally. The distribution of magnetic fields is determined in the horizontal direction such that a sharp or strong barrel magnetic field is localized on the side of the neck portion whereas an extremely sharp pincushion magnetic field is localized on the side of the funnel portion and at the same time, an intensely sharp pincushion magnetic field is distributed between the funnel portion and the neck portion. The central electron beam is deflected more at a greater angle than side electron beams so as to land outside the side electron beams.
REFERENCES:
patent: 2617059 (1952-11-01), Neeteson
patent: 3735193 (1973-05-01), Ikeuchi
patent: 3849749 (1974-11-01), Kadota
Akatsu Mitsuharu
Hirota Ryoichi
Maruyama Takesuke
Matsumoto Shuzo
Niitsu Ichiro
Harris George
Hitachi , Ltd.
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