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    • 8. 发明公开
    • ELECTRET CAPACITOR TYPE COMPOSITE SENSOR
    • ELEKTRETKONDENSATOR-ARTIGER VERBUNDSENSOR
    • EP1990611A1
    • 2008-11-12
    • EP07737538.4
    • 2007-02-28
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • SAWADA, Tatsuhiro c/o Matsushita Electric Ind. Co.,Ltd
    • G01D21/02G01H11/06H04R19/01
    • H04R19/016G01H11/00H04R19/01
    • To provide a small, thin and light-weighted composite sensor which can also detect light together with sound, vibration, pressure or acceleration by a single sensor.
      An electret capacitor type composite sensor is constituted by a casing 11, an electrode 12, a hole portion (which is a sound hole and also a light introduction hole) 22, a spacer 31, a vibration plate 41 having light transmissibility, a vibration plate ring 42, a printed board 6 and a semiconductor element 61. Further, a photoelectric conversion portion having a function of photoelectric effect is provided at a portion of the surface of the semiconductor element 61, light is conducted to the photoelectric conversion portion via the hole portion 22 and the vibration plate 41 having light transmissibility, and an electric signal generated by the photoelectromotive force is taken out independently from an electric signal generated by the change of the electrostatic capacitance of the electret capacitor.
    • 提供一个小型,薄型和轻型复合传感器,它还可以通过单个传感器检测声音,振动,压力或加速度。 驻极体电容器型复合传感器由壳体11,电极12,孔部(声孔,导光孔)22,间隔件31,透光性振动板41,振动板 环42,印刷电路板6和半导体元件61.此外,在半导体元件61的表面的一部分设置具有光电效应功能的光电转换部,通过该孔向光电转换部导通光 部分22和具有透光性的振动板41和由光电动势产生的电信号被独立于由驻极体电容器的静电电容的变化产生的电信号取出。
    • 9. 发明公开
    • PASSIVE MONITORING SENSOR SYSTEM FOR USE WITH MATTRESS
    • PASSIVESÜBERWACHUNGSSENSORSYSTEMZUR VERWENDUNG MIT EINER MATRAZE
    • EP2164388A4
    • 2017-06-14
    • EP08756908
    • 2008-06-10
    • SONOMEDICAL PTY LTD
    • SULLIVAN COLIN EDWARD
    • A61B5/00A61B5/113A61B7/00A61G7/043G01H11/08
    • G01H11/00A61B5/113A61B5/6887A61B7/003A61G2203/36G01H11/08
    • A sensor system comprises a mat (20) for placement over a patient's mattress including a number of sensors (10) located in the mat. The sensors include a sensor housing (12), a sound vibration sensing element in the form of a PVDF membrane (13), and means for amplifying sensed sounds. The PVDF membrane is coated/covered with a typically latex, impedance matching layer (14). The sensor automatically provides for auscultation, in which the patient's own weight, from the patient lying on the bed, compresses their thorax against the membrane, compressing also the patient's clothing, bed sheet and mattress cover material between the two. The recoil in the mattress opposes the body mass, thus compressing the membrane against the thorax. The impedance matching layer on top of the membrane transmits fine breath sounds through to the membrane as the latex does not weaken or attenuate the fine breath sounds but transmits them to the PVDF membrane. However being flexible, it is not uncomfortable to lie on.
    • 传感器系统包括用于放置在包括位于垫中的多个传感器(10)的患者床垫上的垫(20)。 传感器包括传感器外壳(12),PVDF膜(13)形式的声音振动感测元件以及用于放大感测到的声音的装置。 PVDF膜用典型的胶乳阻抗匹配层(14)涂覆/覆盖。 传感器自动提供听诊,病人躺在床上的病人自身的重量将其胸部压在隔膜上,同时压缩病人的衣服,床单和床垫之间的材料。 床垫中的反冲与体重相反,因此将膜压向胸部。 膜顶部的阻抗匹配层将细微的呼吸声传递到膜上,因为乳胶不会削弱或衰减优良的呼吸声,但会将它们传送到PVDF膜。 然而,灵活性,躺在上面并不舒服。