Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder circuit

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United States of America Patent

PATENT NO 6125427
SERIAL NO

09055942

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A disc storage apparatus includes at least one disc having at least one recording surface, a disc control unit for receiving a first number of write data, and outputting, through a plurality of lines, a second number of write data selected from the first number of write data, where the first number of write data and the second number of write data are each at least two write data, an encoder circuit coupled to the disc control unit through the plurality of lines for receiving the second number of write data from the disc control unit through the plurality of lines, encoding the second number of write data in parallel to produce coded data, and outputting the coded data for recording on the at least one recording surface, and a microprocessor for designating the second number of write data to be selected from the first number of write data, outputted by the disc control unit through the plurality of lines, and received by the encoder circuit from the disc control unit through the plurality of lines.

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Patent Owner(s)

  • HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN, LTD.;HITACHI VIDEO ENGINEERING, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirose, Tsuneo Odawara, JP 18 358
Karasawa, Noriyuki Yokohama, JP 8 54
Kawamura, Satoshi Yokohama, JP 102 953
Kubo, Mitsuru Odawara, JP 12 87
Oeda, Takashi Yokohama, JP 120 4035
Takada, Yukihito Kamakura, JP 4 13
Tsunoda, Motoyasu Yokohama, JP 48 1037
Yukawa, Yoshio Kanagawa-ken, JP 5 32

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