Color picture tube device with distortion correction coils

Details Color picture tube device with distortion correction coils Color picture tube device with distortion correction coils

2005-08-02

2005-08-02

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

C313S441000, C313S442000, C313S443000, C313S431000, C313S433000, C313S412000, C315S368270, C315S368280, C315S364000, C315S370000, C335S210000, C335S213000, C335S214000

Reexamination Certificate

active

06924590

ABSTRACT:
A color picture tube device has a funnel glass, a pair of horizontal deflection coils, an insulating frame, and a pair of vertical deflection coils. The pair of horizontal deflection coils are opposed to each other in a vertical direction around the outer surface of the funnel glass, and each have a window at the center. The insulating frame covers the horizontal deflection coils, resembles in shape a part of the funnel glass where the horizontal deflection coils are provided, and has openings in areas corresponding to windows of the horizontal deflection coils. The pair of vertical deflection coils are opposed to each other in a horizontal direction around the outer surface of the insulating frame, without overlapping the openings. A pair of correction coils are provided so as to be each at least partially inserted in a different one of the openings.

REFERENCES:
patent: 4618843 (1986-10-01), Nakamura
patent: 5598055 (1997-01-01), Inoue et al.
patent: 5838099 (1998-11-01), Hichiwa et al.
patent: 5847503 (1998-12-01), Roussel et al.
patent: 6326742 (2001-12-01), Iwasaki et al.
patent: 6861793 (2005-03-01), Sakurai et al.
patent: 2001035415 (2001-02-01), None
patent: WO 00/28570 (2000-05-01), None

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