发明名称 |
MAGNETIC RECORDING AND REPRODUCING DEVICE |
摘要 |
<p>PURPOSE:To discriminate easily and accurately an address code even in a fast forward mode, by processing a reproduced address code with a low-pass filter (LPF) having variable cut-off frequency in a fast reproduction mode. CONSTITUTION:The traveling speed of a tape 2 is detected by a tape speed detecting circuit 4, and a control circuit 5 controls an LPF A5 in response to the fast forward speed of the tape 2. Then the cut-off frequency of the LPF A5 varies. Therefore the level is kept at a prescribed value for a reproduced address code which is sent through an amplifier A4 for reproduced address in a fast forward mode. Thus an address code can be discriminated easily and accurately even in a fast forward mode of the tape 2.</p> |
申请公布号 |
JPS5945674(A) |
申请公布日期 |
1984.03.14 |
申请号 |
JP19820154508 |
申请日期 |
1982.09.07 |
申请人 |
PIONEER KK |
发明人 |
YAMAGUCHI TADAHIRO;TAKIZAWA YOSHIYUKI;ISHII TSUNEO;ARIFUKU NAOTO |
分类号 |
G11B15/087;G11B27/10;G11B27/28 |
主分类号 |
G11B15/087 |
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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