Patents Represented by Attorney Hamilton DeSancits & Cha
  • Patent number: 8095855
    Abstract: Various embodiments of the present invention provide systems and methods for data regeneration. For example, a system for data regeneration is disclosed that includes a data input derived from the medium. A data detector and a data recovery system receive the data input. The data detector provides a first soft output, and the data recovery system provides a second soft output. The first soft output and the second soft output are provided to a multiplexer. A media defect detector performs a media defect detection process, and provides a defect flag that indicates whether the data input is derived form a defective portion of the medium. The defect flag is provided to the multiplexer where it is used to select whether the first soft output or the second soft output is provides as an extrinsic output.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: January 10, 2012
    Assignee: Agere Systems Inc.
    Inventors: Weijun Tan, Shaohua Yang, George Mathew, Kelly Fitzpatrick, Hao Zhong, Yuan Xing Lee