发明授权
- 专利标题： Method of efficiently erasing data in accordance with type of magnetic recording medium and apparatus for realizing the same
- 专利标题（中）： 根据磁记录介质的类型有效擦除数据的方法及其实现方法
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申请号： US213808申请日： 1988-06-30
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公开(公告)号： US4914532A公开(公告)日： 1990-04-03
- 发明人: Hiroshi Ohashi , Yoshiaki Uchida , Masahiro Kusunoki
- 申请人： Hiroshi Ohashi , Yoshiaki Uchida , Masahiro Kusunoki
- 申请人地址： JPX Kawasaki
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JPX Kawasaki
- 优先权： JPX62-162886 19870630
- 主分类号： G11B5/09
- IPC分类号： G11B5/09 ; G11B5/024 ; G11B19/04
摘要：
A magnetic recording apparatus capable of efficiently erasing data in accordance with a type of magnetic recording medium, comprises a current source, an erase head for erasing data recorded on a recording medium using a supplied erase current, and a current supplying section for supplying an erase current from the current source to the erase head in accordance with input erase current control data. The current supplying section comprises a selecting section for selecting a combination of a plurality of control elements in accordance with the input erase current control data, and a supplying section for supplying an erase current determined in accordance with the selected combination from the current source to the erase head.
公开/授权文献
- US4399592A Metal tie 公开/授权日：1983-08-23