Patent ID: 8603001
Filing Date: 2013-12-10
Classification: A61B,B60N,G08B

Abstract:
1. A biological body state analyzing device provided with a state analyzing section which is configured to analyze a time-series waveform of a biological signal obtained from an upper body of a person by a biological signal measuring device to analyze a state of the person, wherein the state analyzing section comprises: a frequency computing means for obtaining a time-series waveform of a frequency in the time-series waveform of the biological signal; a frequency slope time-series analyzing and computing means for i) setting a predetermined time window in a predetermined overlapped time in the time-series waveform of the frequency of the biological signal obtained by the frequency computing means; ii) performing movement calculation for obtaining a slope of the frequency for each predetermined time window set in the predetermined overlapped time in the time-series waveform of the frequency of the biological signal obtained by the frequency computing means; and iii) outputting a time series change of the slope of the frequency obtained for each time window as a frequency slope time-series waveform; a frequency fluctuation time-series analyzing and computing means for i) setting a predetermined time window in a predetermined overlapped time in the time-series waveform of the frequency of the biological signal obtained by the frequency computing means; ii) performing movement calculation for obtaining a mean value of the frequency for each predetermined time window set in the predetermined overlapped time in the time-series waveform of the frequency of the biological signal obtained by the frequency computing means; and iii) outputting a time series change of the mean value of the frequency obtained for each time window as a frequency fluctuation time-series waveform; and a waveform determining means for analyzing the frequency slope time-series waveform obtained by the frequency slope time-series analyzing and computing means, the frequency fluctuation time-series waveform obtained by the frequency fluctuation time-series analyzing and computing means, and a state of change of a base line of the frequency fluctuation time-series waveform, thereby making determination.