发明授权
- 专利标题： Vertical coma correction arrangement
- 专利标题（中）： 垂直昏迷矫正装置
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申请号： US394692申请日： 1989-08-16
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公开(公告)号： US4972519A公开(公告)日： 1990-11-20
- 发明人: Michael D. Grote
- 申请人： Michael D. Grote
- 申请人地址： NJ Princeton
- 专利权人： RCA Licensing Corporation
- 当前专利权人： RCA Licensing Corporation
- 当前专利权人地址： NJ Princeton
- 主分类号： H01J29/76
- IPC分类号： H01J29/76 ; H01J29/70
摘要：
An assembly that includes four separate tabs is used for producing from a stray magnetic field flux, a pincushion shaped field in a portion of the neck of a cathode ray tube that is located at the rear of a deflection yoke for providing vertical convergence coma correction. Coils that are wound around the tabs form a quadrupole electromagnet that also provides dynamic convergence correction.
公开/授权文献
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