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    • 7. 发明专利
    • Pulse wave sensor
    • 脉冲波传感器
    • JP2005246090A
    • 2005-09-15
    • JP2005123788
    • 2005-04-21
    • Denso Corp株式会社デンソー
    • OOSAKI RIEKIMURA SADASUKEFUKAYA NAOKI
    • A61B5/0245
    • PROBLEM TO BE SOLVED: To provide a pulse wave sensor 1 which can detect a pulse wave stably with a high probability of detection.
      SOLUTION: The pulse wave sensor 1 includes a detection section 2 and a main body of the sensor 3 which are respectively fixed to the back side of a wrist by exclusive belts 10 and 14. Thereby, a shift of the position of the detection section can be made small and an influence of a body movement can be made small so that an excellent S/N ratio can be secured. Also, a surface side to touch the skin of a human body of a translucent plate 8 of the detection section 2 is comprised of a convex surface. Thereby, a degree of adhesion of the translucent plate 8 to the skin surface is improved and reflected light from the skin surface or noise light such as disturbance light or the like can be prevented from intruding so that the pulse wave sensor with the high probability of detection can be realized. Moreover, a cushioning material 15 of a sponge or a gel type is inserted between the main body 3 of the sensor which is superposed on the top of the detection section 2 and the detection section 2. Thereby, the force applied to the main body 3 of the sensor or the movement of the main body 3 of the sensor is not easily transmitted to the detection section 2.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:提供能够以高检测概率稳定地检测脉波的脉波传感器1。

      解决方案:脉波传感器1包括检测部分2和传感器3的主体,它们通过专用带10和14分别固定在手腕的后侧。因此, 可以使检测部分变小,并且可以使身体运动的影响较小,从而可以确保优异的S / N比。 此外,与检测部2的半透明板8的人体的皮肤接触的表面侧由凸面构成。 由此,能够提高透光板8与皮肤表面的粘合度,能够防止来自皮肤表面的反射光或干扰光等的噪声光入侵,使得具有高可能性的脉波传感器 可以实现检测。 此外,将海绵或凝胶型的缓冲材料15插入在检测部2的顶部叠置的传感器的主体3和检测部2之间。由此,施加到主体3的力 传感器的主体3的运动或传感器的主体3的移动不容易地传递到检测部2.版权所有(C)2005,JPO&NCIPI

    • 8. 发明专利
    • PULSE WAVE MEASUREMENT INSTRUMENT
    • JP2001061795A
    • 2001-03-13
    • JP24252899
    • 1999-08-30
    • DENSO CORP
    • KIMURA SADASUKEOOSAKI RIEKAWACHI TAIJI
    • A61B5/0245
    • PROBLEM TO BE SOLVED: To provide a pulse wave measurement instrument of detecting whether or not noise components are superimposed on measured pulse wave data. SOLUTION: A data processor can perform noise detection for detecting whether or not the noise components are superimposed on pulse wave information detected with a pulse wave sensor by a built-in microcomputer. To put it concretely, pulse waves are measured for fixed time, velocity pulse waves are obtained by differentiating the pulse waves and the peak value of the amplitude of the velocity pulse waves to the pulses for each beat is calculated. Then, the calculated respective peak values are standardized and the dispersion of the standardized peak values is statistically processed and digitized. Then, whether or not the digitized dispersion of the peak values is smaller than a stipulated value is judged. It is judged that the noise components are not superimposed on the pulse wave information detected in the pulse wave sensor in the case of being smaller and it is judged that the noise components are superimposed on the pulse wave information detected in the pulse wave sensor in the case of being larger.