Dynamic information storage or retrieval – Binary pulse train information signal – Including sampling or a/d converting
Reexamination Certificate
2007-03-27
2007-03-27
Tran, Thang V. (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Including sampling or a/d converting
C369S124040, C714S746000
Reexamination Certificate
active
09814379
ABSTRACT:
A method and apparatus for recording or reproducing data in which high performance encoding and a high efficiency decoding are realized to lower the decoding error rate. A magnetic recording and/or reproducing apparatus50includes, in a recording system, a modulation encoder52for modulation encoding input data in a predetermined fashion and an interleaver53for interleaving data supplied from the modulation encoder52to re-array the data sequence. The magnetic recording and/or reproducing apparatus50also includes, in a reproducing system, a first deinterleaver for interleaving the input data for re-arraying the data sequence so that the bit sequence of data re-arrayed by the interleaver53will be restored to its original bit sequence, a modulation SISO decoder for modulation decoding data supplied from the first deinterleaver and a second deinterleaver for interleaving data corresponding to a difference value between data output by the modulation SISO decoder and data output by the first deinterleaver to re-array the data sequence of the difference data.
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Hattori Masayuki
Miyauchi Toshiyuki
Murayama Jun
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Sony Corporation
Tran Thang V.
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