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    • 1. 发明专利
    • Mental stress examination apparatus
    • 精神压力检查装置
    • JP2007167091A
    • 2007-07-05
    • JP2005364432
    • 2005-12-19
    • Makoto Kikuchi誠 菊池
    • KIKUCHI MAKOTO
    • A61B5/16
    • PROBLEM TO BE SOLVED: To accurately detect the mental stress from the change of both sympathetic nerves and parasympathetic nerves.
      SOLUTION: The mental stress examination apparatus is for detecting the stress from the variation of the heartbeat interval (RR interval). The mental stress examination apparatus comprises a power spectrum detecting part 1 for detecting the integral value in the high-frequency band (HF power) higher than a specific frequency and the integral value in the low-frequency band (LF power) lower than the specific frequency from the power spectrum obtained by the Fourier transformation of the variation of the heartbeat interval in a prescribed period of time, a conversion part 2 for converting the HF power and the LF power/HF power detected by the power spectrum detecting part 1 to a stress index indicating the stress, an addition part 3 for adding the stress index converted from the HF power and the stress index converted from the LF power/HF power, and an indicator part 4 for indicating the degree of the stress from the stress value obtained by the addition part 3.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:准确检测交感神经和副交感神经变化的精神压力。

      解决方案:精神压力检查装置用于检测心跳间隔变化(RR间期)的压力。 精神压力检查装置包括用于检测高于特定频率的高频带(HF功率)的积分值和低于特定频率的低频带(LF功率)中的积分值的功率谱检测部分1 频率从通过在规定时间段内的心跳间隔的变化的傅立叶变换获得的功率谱获得的,用于将由功率谱检测部分1检测的HF功率和LF功率/ HF功率转换成转换部分2的转换部分2, 指示应力的应力指数,用于添加从HF功率转换的应力指数的加法部分3和从LF功率/ HF功率转换的应力指数的指示器部分4和用于指示应力值得到的应力值的指示器部件4 (C)2007,JPO&INPIT