发明名称 |
Method and related apparatus for feedback control of laser power of optical disk drive |
摘要 |
A method and related apparatus for feedback control of laser power provided by a pick-up head of an optical disk drive. The pick-up head can adjust a cross-voltage of a laser generator according to a signal level of a control signal such that the laser power is changed correspondingly. The method includes updating the signal level of the control signal according to feedback of the cross-voltage or the control signal, such that the laser power is adjusted accordingly.
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申请公布号 |
US7233609(B2) |
申请公布日期 |
2007.06.19 |
申请号 |
US20030707320 |
申请日期 |
2003.12.04 |
申请人 |
VIA TECHNOLOGIES INC. |
发明人 |
LAI YI-LIN;TSAI CHIN-YIN;CHEN HUNG-CHANG |
分类号 |
H01S3/13;G11B7/125;H01S3/00;H01S5/042;H01S5/068 |
主分类号 |
H01S3/13 |
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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