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    • 35. 发明授权
    • Reproduction apparatus having reduced decoding error rate
    • 复制装置具有降低的解码错误率
    • US06222694B1
    • 2001-04-24
    • US08736602
    • 1996-10-24
    • Yoshiyuki Sasaki
    • Yoshiyuki Sasaki
    • G11B5035
    • G11B5/00813G11B5/09G11B20/10009G11B20/18
    • A reproduction apparatus for reproducing data, from a magnetic recording medium on which digital data is recorded, using a magnetic head, which includes a head amplifier which amplifies a reproduced signal obtained from the magnetic head, and has controllable resonance characteristics at least with respect to the magnetic head; an error correction decoding circuit for performing error correction by performing error detection of the reproduced signal obtained from the head amplifier; and a head amplifier control circuit for controlling the resonance characteristics of the head amplifier on the basis of an error detection signal obtained from the error correction decoding circuit.
    • 一种用于使用磁头从其上记录有数字数据的磁记录介质再现数据的再现装置,该磁头包括放大从磁头获得的再现信号的头放大器,并且至少相对于 磁头; 纠错解码电路,用于通过对从头放大器获得的再现信号进行错误检测来执行纠错; 以及头放大器控制电路,用于根据从纠错解码电路获得的误差检测信号来控制前置放大器的谐振特性。