发明名称 HEAD AMPLIFIER PROVIDED WITH HEATING CONTROL MEANS
摘要 PROBLEM TO BE SOLVED: To achieve adjustment of good timing and appropriate floating quantity using a controller for a magnetic recording and reproducing device provided with no heating means for adjusting floating quantity. SOLUTION: The head amplifier is provided with a write amplifying means for applying a write current to a write head element, a read-out amplifying means for amplifying read voltage output from a read head element and outputting a read output signal, a heating part drive means for applying a current for heating to at least one heating part for adjusting floating quantity during write and/or read, and a heating control means for controlling this heating part drive means. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008090970(A) 申请公布日期 2008.04.17
申请号 JP20060272846 申请日期 2006.10.04
申请人 TDK CORP 发明人 OTA NAOKI;KUWAJIMA TETSUYA
分类号 G11B21/21 主分类号 G11B21/21
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