发明名称 |
Recording/playback device and method thereof, and disc |
摘要 |
A data recording region of a disc is divided into a plurality of zones, the plurality of zones comprising a plurality of bands, and with a range from an innermost radius to an outermost radius being divided into four bands by four radii, with the rotational velocity of the disc at each of the bands being fixed in such a manner as to increase disc capacity.
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申请公布号 |
US5828639(A) |
申请公布日期 |
1998.10.27 |
申请号 |
US19970799982 |
申请日期 |
1997.02.12 |
申请人 |
SONY CORPORATION |
发明人 |
KOBAYASHI, SHOEI;TAKEDA, TORU;YAMAGAMI, TAMOTSU |
分类号 |
G11B7/007;G11B19/28;G11B20/12;G11B27/10;G11B27/11;G11B27/19;G11B27/24;(IPC1-7):G11B7/02 |
主分类号 |
G11B7/007 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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