发明名称 Projection type cathode ray tube device
摘要 A pair of magnets of which magnetizing direction differs from each other in the horizontal direction (X axis) are arranged at upper and lower portions of a funnel-side opening portion of a deflection yoke. The pair of magnets are held and fixed to a coil support body which supports horizontal deflection coils in a state where the magnets are embedded in the coil support body. In a projection type cathode ray tube of a single electron beam method, a locus of an electric beam which receives the deflection distortion is corrected so as to correct an electron beam shape on a screen to an approximately circular shape whereby a focusing performance of a display image on a screen is enhanced.
申请公布号 US7015634(B2) 申请公布日期 2006.03.21
申请号 US20030612460 申请日期 2003.07.02
申请人 HITACHI DISPLAYS, LTD. 发明人 WATANABE SAKAE;HIROTA KATSUMI
分类号 H01J29/70;H01J29/86;H01F1/00;H01J29/56;H01J29/76;H01J31/10 主分类号 H01J29/70
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