Apparatus and method for detecting binary data
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United States of America Patent
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Apr 8, 2008
Grant Date -
Feb 3, 2005
app pub date -
Jun 18, 2004
filing date -
Jun 19, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus detecting binary data, the apparatus includes an analog-to-digital (AD) converter converting the input analog signal into a digital signal; at least one binarization unit converting the digital signal into binary data; a viterbi decoder performing viterbi decoding to detect binary data from the digital signal; and a level detector receiving the digital signal, receiving at least two binary data from one of the viterbi decoder and the at least one binarization unit, and detecting and outputting a level value for the viterbi decoding from the digital signal when a number of the at least two binary data, which correspond to each other on a time axis and have the same values, is equal to or greater than a predetermined number. Accordingly, it is possible to more precisely detect binary data from an analog signal.
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