Disk reproducing apparatus and method

Details Disk reproducing apparatus and method Disk reproducing apparatus and method

2006-02-09

2010-02-09

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S047480, C369S053350

Reexamination Certificate

active

07660216

ABSTRACT:
To provide a disk reproducing apparatus capable of reading data at a lower error rate without requiring a complicated circuit configuration. An embodiment of the present invention provides a disk reproducing apparatus for reproducing a data signal based on a signal read from a disk and having a clock cycle that is an integral multiple of a cycle of a reproduction clock, including: a clock generating unit generating the reproduction clock based on an input signal obtained by binarizing the signal read from the disk; an error component detecting unit detecting an error component in the input signal; a threshold storage unit storing a threshold value for determining the error component; and a data signal reproducing unit reproducing the data signal in the input signal based on the error component detected by the error component detecting unit and the threshold value stored in the threshold storage unit.

REFERENCES:
patent: 7116617 (2006-10-01), Takeda
patent: 7120110 (2006-10-01), Mashimo
patent: 7342986 (2008-03-01), Nakamura et al.
patent: 2003/0053386 (2003-03-01), Takeda
patent: 5-81678 (1993-04-01), None
patent: 7-169059 (1995-07-01), None
patent: 2004-234737 (2004-08-01), None
patent: 2005-18843 (2005-01-01), None
patent: 1226044 (2005-01-01), None
Japanese Office Action dated Jul. 21, 2009 with partial English-language translation.
Taiwanese Office Action dated Sep. 8, 2009 with English-language translation.

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