发明名称 MAGNETIC PLAYBACK APPARATUS
摘要 PURPOSE:To perform tracking of a first magnetic head by scanning both adjoining tracks with a second magnetic head, withdrawing first and second pilot signals and applying the comparing output of both pilot signals to a piezoelectric element.
申请公布号 JPS5271212(A) 申请公布日期 1977.06.14
申请号 JP19750148173 申请日期 1975.12.11
申请人 SONY CORP 发明人 HIMURO MASAMI;SATOU AKISHI
分类号 H04N5/7826;G05D3/12;G05D13/62;G11B5/588;G11B5/592 主分类号 H04N5/7826
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