SK hynix Assigned Patent
Method to apply user data for read channel training and adaptation in HDD applications
By Jean Jacques Maleval | September 17, 2014 at 2:51 pmSK hynix memory solutions, Inc., San Jose, CA, has been assigned a patent (8,804,264) developed by Kwok W. Yeung, Milpitas, CA, and Xin-Ning Song, San Jose, CA, for a “method to apply user data for read channel training and adaptation in HDD drive applications.”
The abstract of the patent published by the U.S. Patent and Trademark Office states: “Calibrating a read channel is disclosed. Previously written user data is read from an auxiliary memory. The previously written user data is processed through a plurality of write channel stages. The output of at least one of the plurality of write channel stages is compared to the output of a corresponding read channel stage to generate an error signal.”
The patent application was filed on May 31, 2012 (13/485,418).