Predictive diagnosis of a data read system

Details Predictive diagnosis of a data read system Predictive diagnosis of a data read system

2005-08-31

2009-11-03

Tabone, Jr., John J (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S719000, C714S799000, C360S031000, C360S048000, C360S053000, C702S183000, C702S185000, C369S053120, C369S053150, C369S053350

Reexamination Certificate

active

07613975

ABSTRACT:
A data read system comprising a read channel for processing a signal, and a diagnostic controller in communication with the read channel. The diagnostic controller is configured to measure at least one metric of the read channel during processing of a signal containing unknown data. The measured metric is then compared against a stored nominal metric and a warning is generated in response to a result of the comparison. In particular, the warning is generated only if the difference between the measured metric and the stored nominal metric exceeds a threshold.

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