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    • 7. 发明申请
    • A BABY MONITORING MAT BASED ON FIBER OPTIC SENSOR
    • 一种基于光纤传感器的婴儿监视器
    • WO2012118440A1
    • 2012-09-07
    • PCT/SG2011/000083
    • 2011-03-03
    • EXCELPOINT TECHNOLOGY LIMITEDNG, Seng TatJIANG, XinCHONG, Hwee Siong
    • NG, Seng TatJIANG, XinCHONG, Hwee Siong
    • A47C27/00G01N21/00A47D7/00
    • A61B5/0816A47D15/003A61B5/0059A61B5/1128A61B5/6807A61B5/6892A61B5/7278A61B5/7282A61B5/7455A61B5/746G01L1/242
    • The present invention provides a Baby Monitoring Mat having a sensor mat having a top mesh layer, a bottom mesh layer, and two flexible sheets and an optical cable, wherein the optical cable is routed across and sandwiched in between the top mesh layer and the bottom mesh layer, and the flexible sheets further sandwiched the top mesh layer and the bottom mesh layer in between forming sensing area across the flexible sheet surface; a light source for feeding light from one side of the optical cable; a photodiode for detecting light attenuation at the other end of the optical cable; a printed circuit board having a processor connected to the light source and the photodiode, wherein the processor operationally receives signals from the photodiode, the signals are processed to determine movements and breath counts. The signals are generated based on the light attenuation changes along the optical fiber cable detected by photodiode, the light attenuation changes are operationally caused by the optical fiber bending lost caused by the movements and breath. A method for monitoring baby on a mat is also provided.
    • 本发明提供了一种具有传感器垫的婴儿监护垫,所述传感器垫具有顶部网状层,底部网状层,以及两个柔性片和光缆,其中所述光缆穿过并夹在顶部网层和底部网格之间 网状层,并且柔性片材进一步夹在顶部网格层和底部网格层之间,形成在柔性片材表面之间的感应区域之间; 用于从光缆的一侧馈送光的光源; 用于检测光缆另一端的光衰减的光电二极管; 具有连接到光源和光电二极管的处理器的印刷电路板,其中处理器可操作地接收来自光电二极管的信号,处理信号以确定运动和呼吸计数。 基于由光电二极管检测到的光纤电缆的光衰减变化产生信号,光衰减变化在操作上是由于运动和呼吸引起的光纤弯曲损耗引起的。 还提供了一种用于在垫上监测婴儿的方法。