发明名称 |
RECORDING DEVICE AND METHOD, REPRODUCING DEVICE AND METHOD, RECORDING/REPRODUCING DEVICE AND METHOD, AND COMPUTER PROGRAM |
摘要 |
<p>A recording device (1T or the like) is provided with (i) recording means (50, 40) for recording data by irradiating a recording medium with laser beams; (ii) driving means (33T, 33F, 55T, 55F, 54) for performing tracking process or focusing process; (iii) a servo means (31T, 31F) for automatically controlling the driving means based on an error signal; (iv) specifying means (21, 22) for specifying an area where a recording medium characteristic (core eccentricity or the like) is not good, based on a high frequency component included in the error signal; and (v) a control means (10) for (v-i) controlling the servo means to change the gain in the automatic control, and for (v-ii) controlling the recording means to change the recording power of the laser beams, in the specified area.</p> |
申请公布号 |
WO2006109684(A1) |
申请公布日期 |
2006.10.19 |
申请号 |
WO2006JP307350 |
申请日期 |
2006.04.06 |
申请人 |
PIONEER CORPORATION;YANAGAWA, NAOHARU;ASADA, MASUFUMI;HORIKAWA, KUNIHIKO;SHIROTA, AKIRA |
发明人 |
YANAGAWA, NAOHARU;ASADA, MASUFUMI;HORIKAWA, KUNIHIKO;SHIROTA, AKIRA |
分类号 |
G11B7/095;G11B7/0045;G11B7/125 |
主分类号 |
G11B7/095 |
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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