发明名称 Master information magnetic recorder
摘要 A master-information magnetic recording apparatus for recording preformat information signals into a magnetic recording medium using a ferromagnetic film pattern formed on a master information carrier, in which the pattern corresponds to the preformat information signals. With the master information carrier in contact with the magnetic recording medium, the ferromagnetic film pattern is magnetized by a magnetic field applying device. Thus, the preformat information signals are recorded into the magnetic recording medium. The magnetic field applying device is so constructed that the direction of magnetizing the ferromagnetic film pattern is perpendicular to a track-scanning orbit of a magnetic head in a recording and reproducing apparatus in which the magnetic recording medium is installed. It enables the magnetic head to gain sufficient reproduction amplitude for track-scanning for reproducing the information signals.
申请公布号 US6611388(B1) 申请公布日期 2003.08.26
申请号 US20000646138 申请日期 2000.09.13
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 MIYATA KEIZO;ISHIDA TATSUAKI;HAMADA TAIZOU;TOHMA KIYOKAZU;RYONAI HIROSHI
分类号 G11B5/00;G11B5/55;G11B5/596;G11B5/82;G11B5/86;(IPC1-7):G11B5/86 主分类号 G11B5/00
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