Seagate Technology Incorporated

Barrett J Brickner

Pradeep Padukone

A data storage channel encoder includes a data word input, a code word output and an encoder. The encoder is coupled between the data word input and the code word output and is adapted to encode successive data words received on the data word input into successive code words on the code word output according to a selected code having combined maximum transition run and parity constraints. The maximum transition run constraint constrains the successive code words such that, when the successive code words are concatenated to form an encoded bit stream, the encoded bit stream has a maximum of one consecutive transition beginning at either odd or even indexed bit positions in the encoded bit stream and a maximum of two consecutive transitions beginning at the other of the odd or even indexed bit positions.

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Edina, MN, United States of America

Barrett J Brickner