发明名称 |
Drop-out correction circuit in an apparatus for correcting time base error with inhibition of time-base information during dropout |
摘要 |
Time base fluctuation of a video signal reproduced from a video disc or tape is detected and corrected. Meanwhile, a dropout of such reproduced video signal is also detected. The dropout detection signal thus obtained represents the dropout period during which the time base information is erroneous. Therefore the time base information detected during such dropout period is rendered invalid to consequently eliminate erroneous correction of the time base fluctuation.
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申请公布号 |
US4805040(A) |
申请公布日期 |
1989.02.14 |
申请号 |
US19870076070 |
申请日期 |
1987.07.21 |
申请人 |
HITACHI, LTD. |
发明人 |
OKU, MASUO;KUDO, YOSHIMICHI;SAITO, ISAO;FUKUI, YUKIO |
分类号 |
G11B20/02;H04N5/94;H04N5/945;H04N5/95;H04N5/956;(IPC1-7):H04N5/94 |
主分类号 |
G11B20/02 |
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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