发明名称 |
PLASMA DISPLAY DEVICE |
摘要 |
<p>The plasma display apparatus disclosed comprises: a noise filter circuit, having noise filter (253), connected to an AC supply disposed at the back side of the plasma display panel; and a back cover (12) composed of a magnetic metal material disposed at the back side of the plasma display panel to cover the noise filter circuit, wherein magnetic lines of force in the core, made of magnetic material and consisting the noise filter (253), direct approximately identical to the in-plane direction of the back cover (12). The configuration can eliminate audible noises because the amount of leakage flux passing through the back cover is reduced. <IMAGE></p> |
申请公布号 |
EP1381013(A1) |
申请公布日期 |
2004.01.14 |
申请号 |
EP20030743757 |
申请日期 |
2003.04.02 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KAWAGUCHI, TAKAO;FUJIMURA, TOSHIO |
分类号 |
H04N5/66;H05K5/02;G09F9/00;G09F9/313;H01J11/44;H01J17/34;H01J17/49;H04N5/645;(IPC1-7):G09F9/00 |
主分类号 |
H04N5/66 |
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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