发明授权
- 专利标题： Optical information recording method, optical information recording device and optical information recording medium
- 专利标题（中）： 光信息记录方法，光信息记录装置和光信息记录介质
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申请号： US10852113申请日： 2004-05-25
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公开(公告)号： US07450480B2公开(公告)日： 2008-11-11
- 发明人: Kenji Narumi , Naoyasu Miyagawa
- 申请人： Kenji Narumi , Naoyasu Miyagawa
- 申请人地址： JP Osaka
- 专利权人： Panasonic Corporation
- 当前专利权人： Panasonic Corporation
- 当前专利权人地址： JP Osaka
- 代理机构： Wenderoth, Lind & Ponack, L.L.P.
- 优先权： JP2003-149731 20030527
- 主分类号： G11B7/00
- IPC分类号： G11B7/00
摘要：
A recording and reproducing method is provided in which information can be recorded and reproduced correctly using a simple circuit structure, even with a high transfer rate, and a test record can be performed efficiently in a short time. A laser driving circuit 6 makes power levels of a front end pulse and a rear end pulse different from a power level of a middle pulse, and a record signal edge correction circuit 5 corrects an edge position of a recording pulse.
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