Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Patent
1997-04-25
1998-09-01
Patel, Ashok
Electric lamp and discharge devices
Cathode ray tube
Beam deflecting means
335213, 335296, H01J 2970
Patent
active
058014810
ABSTRACT:
A deflection yoke is provided on the outer surface of a boundary region between a neck and a cone of a funnel of a vacuum envelope. The deflection yoke includes a separator having one end portion, smaller in diameter, and the other end portion, larger in diameter, and a deflecting coil is attached to the inner surface of the separator. The inner surface of the separator is shaped so that its one end portion is circular and its other end portion is substantially rectangular. A plurality of first and second hooks and channels defined between the hooks are arranged on the one and the other end portions, respectively, of the inner surface of the separator. A winding of the deflecting coil is wound around the first and second hooks so as to be fitted in the channels. Third hooks for preventing the winding from being lifted are located on those parts of the inner surface of the separator whose cross sections have a minimum radius of curvature.
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patent: 5453658 (1995-09-01), Nishino et al.
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patent: 5592045 (1997-01-01), Dossot et al.
patent: 5598055 (1997-01-01), Ioune et al.
patent: 5637955 (1997-06-01), Ji
Kabushiki Kaisha Toshiba
Patel Ashok
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