Data transmission method suitable for a disc

Details Data transmission method suitable for a disc Data transmission method suitable for a disc

H - Electricity

03

M

352/19.6

H03M 13/00 (2006.01) G06F 11/10 (2006.01) G11B 20/18 (2006.01)

Patent

CA 1281130

ABSTRACT OF THE DISCLOSURE A data transmission method for data is disclosed in which a rectangular array is formed of a block of data containing n words, supplementary data necessary to transmit the B words of data and an error detecting code to detect possible errors which may occur in the block of data and the supplementary data. An error correcting code is produced for each row and column of data of the rectangular array and added thereto to thereby form a product-coded data, each data word of which is thereafter sequentially fetched and transmitted along each row of the product-coded data. When the block of data is changed from n data words to m data words, the number of data words in one direction of the rectangular array is fixed, while the number of data words in the other direction of the rectangular array is changed to m, to thereby form a new rectangular array which is also sequentially fetched and transmitted along each row of the array.

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