Biometric apparatus and method using bio signals
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United States of America Patent
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Nov 10, 2009
Grant Date -
May 18, 2006
app pub date -
Nov 8, 2005
filing date -
Nov 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A biometric apparatus and a method thereof using bio signals are provided. The apparatus includes an ADC, a periodic signal extractor, a template storing portion, a comparator. The ADC performs sampling of an input bio signal to convert the sampled bio signal into a digital signal. The periodic signal extractor extracts the periodic signals from the digital signal. The template storing portion registers a plurality of users and stores periodic signals for the respective registered users in a form of templates. The comparator computes similarity between the periodic signals outputted from the periodic signal extractor and the respective templates to select a template whose similarity is greatest and recognizes a user that corresponds to the selected template as a user who corresponds to the input bio signal.
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