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Multiple-rate channel ENDEC in a commuted read/write channel for disk storage systems

  • US 6,505,320 B1
  • Filed: 03/09/2000
  • Issued: 01/07/2003
  • Est. Priority Date: 03/09/2000
  • Status: Expired due to Fees
First Claim
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1. A commuted read/write channel for writing data to and reading data from a disk storage medium, comprising:

  • (a) a first channel encoder for encoding a first j-k bits of a j-bit data block to generate first encoded data;

    (b) an ECC encoder for encoding the first encoded data and a remaining k-bits of the data block to generate ECC redundancy symbols comprising a plurality of bits;

    (c) a second channel encoder for encoding the remaining k-bits of the data block and the ECC redundancy symbols to generate second encoded data; and

    (d) an output for outputting the first encoded data and the second encoded data as channel data written to the disk storage medium.

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