发明名称 |
Visual display unit (VDU) |
摘要 |
It is proposed to provide a compensation coil on the cathode ray tube of the visual display unit, between the screen (luminescent screen fluorescent screen) and the deflection means, which compensation coil has applied to it a compensation current whose polarity and intensity can be varied, in order to compensate for raster rotation of the screen caused by the earth's magnetic field.
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申请公布号 |
DE3603476(A1) |
申请公布日期 |
1987.08.06 |
申请号 |
DE19863603476 |
申请日期 |
1986.02.05 |
申请人 |
LICENTIA PATENT-VERWALTUNGS-GMBH |
发明人 |
SCHUBERT,RUDOLF,DIPL.-ING. |
分类号 |
H01J29/00;(IPC1-7):H01J29/98;G01R13/20;G09G1/04;H01J29/06;H04N3/22 |
主分类号 |
H01J29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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