Device and method for detecting and correcting errors in a...

Details Device and method for detecting and correcting errors in a... Device and method for detecting and correcting errors in a...

2004-07-19

2009-02-17

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07493550

ABSTRACT:
A method and device for detecting and correcting errors in a data stream. For example, a method and device for detecting and correcting errors in a data stream including identifiers for a track address or identifiers for encoded words in a wireless transmission. The method and device employ a class of error correction codes to, for instance, encode track addresses on a surface of a data storage medium. The encoding modifies natural track addresses so that the difference between bit sequences in adjacent track addresses is constant while simultaneously enabling both error detection and error correction, thereby enabling more accurate head positioning in a data storage device, in one embodiment.

REFERENCES:
patent: 5469452 (1995-11-01), Zehavi
patent: 7047477 (2006-05-01), Tolhuizen et al.
Michael Hess, Error detecting unit distance codes, 10, 1990, IEEE, Trans. on Instru. & Meas. vol. 39, No. 5, p. 730-734.
Vea et al. Magnetic recording channel model with inter track interference, 1991, IEEE, p. 1-3.

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