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US 5,142,205 AGranted
Deflection yoke device
AssigneeMurata Mfg. Co., Ltd.
InventorsKoji Yabase, Akira Iijima, Shinobu Ozawa
Life of this patent
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Abstract
This invention relates to a deflection yoke device provided with a correction circuit in which horizontal and vertical misconvergences appearing on a screen of a color cathode-ray tube are corrected.
Claims10
A deflection yoke device including horizontal deflection coils and vertical deflection coil which device comprises:
- a first correction circuit connected to said horizontal deflection coil for correcting horizontal misconvergence of blue and red beams of an X axis of a screen of a color cathode-ray tube;
- X.sub.H correction coils connected to an output of said correction circuit;
- a second correction circuit connected to said vertical deflection coil for correcting horizontal misconvergence of blue and red beams on a X axis of the screen;
- Y.sub.H correction coils connected to an output of said correction circuit;
- and
- common cores arranged on opposite sides of said cathode-ray tube, each of said cores being comprised of two or more leg portions joined at their ends by one or more bottom portions with said X.sub.H correction coils and said Y.sub.H correction coils being wound therearound.
3 more elements
Dependencies are inferred from the claim text.