Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
Reexamination Certificate
2005-03-15
2008-05-20
Tran, Thang V. (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Format arrangement processing for auxiliary information
C714S701000, C369S059260
Reexamination Certificate
active
07376066
ABSTRACT:
An information recording method and an information recording apparatus are disclosed, wherein x-bit long binary data are converted into m multi-level data of n levels (x is an integer equal to or greater than 3, m is an integer equal to or greater than 2, and n is an integer equal to or greater than 3). The x-bit long binary data are treated as a word, where two or more words constitute a row of data sequence. Two or more rows of data sequence constitute an error correction block, each row having address information attached. The multi-level data, to which the error correction block is added, are recorded in an information recording medium.
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Dickstein & Shapiro LLP
Ricoh & Company, Ltd.
Tran Thang V.
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