发明名称 |
Digital phase locked loop apparatus |
摘要 |
A digital phase-locked loop circuit for compact discs is provided. Averaging circuits are used to determine the wavelength of each pattern in an eight-to-fourteen modulation signal reproduced from a given compact disc by computing an average value of the lengths of the patterns.
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申请公布号 |
US5416809(A) |
申请公布日期 |
1995.05.16 |
申请号 |
US19930052822 |
申请日期 |
1993.04.26 |
申请人 |
SONY CORPORATION |
发明人 |
MASUDA, SHOZO;SHIMIZUME, KAZUTOSHI |
分类号 |
G11B7/005;G11B20/14;H03L7/113;(IPC1-7):H03L7/20 |
主分类号 |
G11B7/005 |
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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