发明名称 |
PICTURE TUBE DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To suppress a landing movement as a factor in a color shift by suppressing leakage, at a corner portion in a magnetic shield of a transverse magnetic field entering a narrow side face of the magnetic shield. SOLUTION: At least one transverse slit is formed near the bottom of the magnetic shield for increasing the magnetic resistance of the portion.
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申请公布号 |
JP2002279912(A) |
申请公布日期 |
2002.09.27 |
申请号 |
JP20010077894 |
申请日期 |
2001.03.19 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
YAMAUCHI NAOKI;IGUCHI HIDEO |
分类号 |
H01J29/02;(IPC1-7):H01J29/02 |
主分类号 |
H01J29/02 |
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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