发明授权
- 专利标题: Device for processing file data with erasing identification data
- 专利标题(中): 用于通过擦除识别数据处理文件数据的设备
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申请号: US76144申请日: 1993-06-14
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公开(公告)号: US5313341A公开(公告)日: 1994-05-17
- 发明人: Daijirou Okihara , Yukio Taniyama
- 申请人: Daijirou Okihara , Yukio Taniyama
- 申请人地址: JPX Tokyo JPX Kawasaki
- 专利权人: Sony Corporation,Fujitsu Limited
- 当前专利权人: Sony Corporation,Fujitsu Limited
- 当前专利权人地址: JPX Tokyo JPX Kawasaki
- 优先权: JPX3-313512 19911031
- 主分类号: G11B20/10
- IPC分类号: G11B20/10 ; G11B5/008 ; G11B5/024 ; G11B15/02 ; G11B20/12 ; G11B20/18 ; G11B27/30 ; G11B27/32 ; G11B5/09 ; G11B20/14 ; G11B20/16
摘要:
A data recording/reproducing device updates the identification data for identifying the recording data of recording track on the magnetic tape as the meaningless data. As a result, in a data recording reproducing device to be used for, such as an external memory device of the computer, the desired data can be erased easily.
公开/授权文献
- US6013145A Method of curing an optical disc 公开/授权日:2000-01-11