| 发明名称 |
Spot killer circuit |
| 摘要 |
A spot killer circuit wherein when a power switch is turned off, a transistor interconnected between the first gird of a picture tube and a low voltage supply is driven into the cut-off region so that the first grid voltage may be abruptly raised so as to cause the discharge of the picture tube.
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| 申请公布号 |
US4217525(A) |
申请公布日期 |
1980.08.12 |
| 申请号 |
US19790033261 |
申请日期 |
1979.04.25 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD |
发明人 |
KUSUMOTO, HIKOICHI;NAKAMURA, KANSEI;YOKONO, YOSHINOBU |
| 分类号 |
H04N3/20;(IPC1-7):H01J29/52 |
主分类号 |
H04N3/20 |
| 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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