发明授权
- 专利标题： Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium
- 专利标题（中）： 再现方法，再现装置，记录和再现装置以及磁记录介质
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申请号： US11147159申请日： 2005-06-08
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公开(公告)号： US07236319B2公开(公告)日： 2007-06-26
- 发明人: Naoto Abe , Takeshi Nagata , Hisashi Osawa , Yoshihiro Okamoto
- 申请人： Naoto Abe , Takeshi Nagata , Hisashi Osawa , Yoshihiro Okamoto
- 申请人地址： JP Tokyo
- 专利权人： Fujifilm Corporation
- 当前专利权人： Fujifilm Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 主分类号： G11B5/035
- IPC分类号： G11B5/035
摘要：
A recording and reproducing apparatus includes: a recording section for recording an information signal in a magnetic recording medium in which a magnetic layer containing hexagonal ferrite is formed; and a reproducing section for reproducing the information signal recorded in the magnetic recording medium, the reproducing section including: a reproducing head for reading the information signal from the magnetic recording medium; and an equalizer for equalizing the information signal read from the magnetic recording medium, wherein in the equalized information signal, coefficients a, b, c, d of PR(1, a, b, c, d) meet conditions that 0.1≦a
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