Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1979-01-10
1980-10-21
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335210, H01F 500
Patent
active
042297206
ABSTRACT:
A deflection unit for a color television display tube 1 having a field deflection coil 8 and a line deflection coil 7, in which the line deflection coil is formed by two diametrically oppositely positioned coil portions which, on the side adjacent the tube's screen, have a flared end 17 having a profile with a path length 22 which is longer than the path length 23 of the contour of the outer surface of the tube, so that raster defects are smaller than when the profile of the flared ends conforms to the contour of the tube surface.
REFERENCES:
patent: 3192432 (1965-06-01), Nero
patent: 3806750 (1974-04-01), Tsuneta et al.
patent: 4095202 (1978-06-01), Danielson et al.
patent: 4152685 (1979-05-01), Renders et al.
Heijnemans Werner A. L.
Nieuwendijk Joris A. M.
Vink Nicolaas G.
Briody Thomas A.
Goodman Edward W.
Harris George
Streeter William J.
U.S. Philips Corporation
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