Invention Grant
- Patent Title: Method and device for detecting a sync mark
- Patent Title (中): 用于检测同步标记的方法和装置
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Application No.: US12359855Application Date: 2009-01-26
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Publication No.: US08358566B1Publication Date: 2013-01-22
- Inventor: Mats Oberg , Jin Xie
- Applicant: Mats Oberg , Jin Xie
- Applicant Address: BM Hamilton
- Assignee: Marvell International Ltd.
- Current Assignee: Marvell International Ltd.
- Current Assignee Address: BM Hamilton
- Main IPC: G11B5/09
- IPC: G11B5/09

Abstract:
A method and device for determining frequency error to extend the pull-in range of a timing recovery circuit for a storage device such as an optical disc drive. A code associated with a storage format of the storage device is detected, and the distance between occurrences of the code is determined. The calculated distance is compared with the expected distance to determine the difference. Based on the difference, the frequency error is determined.
Information query
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