| 发明名称 |
CRT DRIVE CONTROL CIRCUIT |
| 摘要 |
<p>A CRT drive control circuit for automatically limiting beam current when it is too large. A brightness reduction control and a contrast reduction control are alternately applied in accordance with a dark level detection of a video signal.</p> |
| 申请公布号 |
CA1220268(A) |
申请公布日期 |
1987.04.07 |
| 申请号 |
CA19840460833 |
申请日期 |
1984.08.13 |
| 申请人 |
SONY CORPORATION |
发明人 |
TAMURA, TAKAHIKO;TOKUHARA, MASAHARU |
| 分类号 |
H04N5/59;H04N9/30;H04N9/64;(IPC1-7):H04N5/59 |
主分类号 |
H04N5/59 |
| 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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