发明名称 |
MAGNETIC RECORDING AND REPRODUCING DEVICE |
摘要 |
<p>PURPOSE:To prevent the quantity of a reproduced image from being deteriorated even when an envelope level becomes too high or too low. CONSTITUTION:A gain switching circuit 5 is mounted in a VTR, and a magnetic tape is reproduced to make autotracking act. When the envelope level becomes too high or too low. gains is switched. Thus, the quality of the reproduced image is prevented from being deteriorated caused by a tracking error when the envelope level is too high or too low.</p> |
申请公布号 |
JPH06295495(A) |
申请公布日期 |
1994.10.21 |
申请号 |
JP19930079328 |
申请日期 |
1993.04.06 |
申请人 |
HITACHI LTD;HITACHI GAZOU JOHO SYST:KK |
发明人 |
TERASAWA KAZUFUMI |
分类号 |
G11B5/588;G11B15/467;H04N5/782;H04N5/7826;(IPC1-7):G11B15/467 |
主分类号 |
G11B5/588 |
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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