Sleep apnea syndrome diagnosing device and signal analyzer, and methods thereof
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United States of America Patent
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Dec 26, 2006
Grant Date -
Feb 24, 2005
app pub date -
Mar 16, 2004
filing date -
Aug 22, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sleep apnea syndrome diagnosing device disclosed herein comprises: a snoring sound collector which collects snoring sound; a snoring sound holder which holds the collected snoring sound; a correlation coefficient calculator which divides a time axis of the snoring sound held in the snoring sound holder into plural cycles and which sequentially calculates a correlation coefficient between the snoring sound of one cycle and the snoring sound of a cycle next to the one cycle; and an output section which outputs the correlation coefficient calculated by the correlation coefficient calculator.
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