Data conversion device and recording/reproduction apparatus
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United States of America Patent
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Jul 11, 1995
Grant Date -
N/A
app pub date -
Jun 8, 1993
filing date -
Jun 9, 1992
priority date (Note) -
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Abstract
M sets of digital data obtained by adding a control bit to an n-bit data string are collected to generate 2.sup.m kinds of m(n+1)-bit data strings, with I-NRZI modulation being applied to these data strings to generate m kinds of I-NRZI modulated data strings and the I-NRZI modulated data strings are subject to spectrum analysis for the desired frequency components, in order to supply one of the I-NRZI modulated data strings as a recording signal based on the result of the spectrum analysis.
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