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    • 4. 发明申请
    • Edge-Detect Receiver For Orthopedic Parameter Sensing
    • 用于骨科参数检测的边缘检测接收器
    • US20130261450A1
    • 2013-10-03
    • US13902704
    • 2013-05-24
    • Marc SteinAndrew Kelly
    • Marc SteinAndrew Kelly
    • A61B5/00
    • A61B5/7239A61B5/0031A61B5/4509A61B5/4528A61B5/4585A61B5/6846A61B5/7225G01N29/44
    • A sensor system uses positive closed-loop feedback to provide energy waves into a medium. The medium can be coupled to the muscular-skeletal system or be part of the muscular-skeletal system. A sensor comprises one or more transducers, an edge detect circuit or a reflecting surface. A parameter is applied to the medium and the parameter affects the medium. A transducer receives an energy wave that has traversed the medium and generates an energy wave signal. The edge-detect receiver receives the energy wave signal signal from the transducer and generates a pulse upon sensing a leading edge corresponding to a wave front of the energy wave. The edge-detect receiver comprises a preamplifier, a differentiator, a digital pulse circuit, and a deblank circuit. The transit time, phase, or frequency is measured of the propagating energy waves and correlated to the parameter being measured.
    • 传感器系统使用正闭环反馈来向介质提供能量波。 介质可以连接到肌肉骨骼系统,或者是肌肉 - 骨骼系统的一部分。 传感器包括一个或多个换能器,边缘检测电路或反射表面。 介质应用参数,参数影响介质。 传感器接收已经穿过介质的能量波,并产生能量波信号。 边缘检测接收器接收来自换能器的能量波信号信号,并且在感测与能量波的波前相对应的前沿时产生脉冲。 边缘检测接收机包括前置放大器,微分器,数字脉冲电路和去铅笔电路。 传播时间,相位或频率是测量传播的能量波,并与所测量的参数相关。
    • 7. 发明申请
    • EDGE-DETECT RECEIVER FOR ORTHOPEDIC PARAMETER SENSING
    • 边缘检测接收机用于正交参数传感
    • US20100326194A1
    • 2010-12-30
    • US12826085
    • 2010-06-29
    • Marc SteinAndrew Kelly
    • Marc SteinAndrew Kelly
    • G01N29/07G01H1/00G01N33/483
    • A61B5/6878A61B5/4509A61B5/4528A61B5/6846A61B5/7239A61B8/15Y10T307/615
    • A sensor system uses positive closed-loop feedback to provide energy waves into a medium. A sensor comprises a transducer (604), a propagating structure (602), and a reflecting surface (606). A parameter is applied to the propagating structure that affects the medium. The sensor is coupled to a propagation tuned oscillator (416) that forms the positive closed-loop feedback path with the sensor. The propagation tuned oscillator (416) includes an edge-detect receiver (200) that generates a pulse upon sensing a wave front of an energy wave in propagating structure (602). The edge-detect receiver (100) is in the feedback path that continues emitting energy waves into the propagating structure (602). The edge-detect receiver (200) comprises a preamplifier (212), a differentiator (214), a digital pulse circuit (216), and a deblank circuit (218). The transit time, phase, or frequency is measured of the propagating energy waves and correlated to the parameter being measured.
    • 传感器系统使用正闭环反馈来向介质提供能量波。 传感器包括换能器(604),传播结构(602)和反射表面(606)。 将参数应用于影响介质的传播结构。 传感器耦合到与传感器形成正闭环反馈路径的传播调谐振荡器(416)。 传播调谐振荡器(416)包括边缘检测接收器(200),其在感测传播结构(602)中的能量波的波前时产生脉冲。 边缘检测接收器(100)处于继续将能量波发射到传播结构(602)中的反馈路径中。 边缘检测接收器(200)包括前置放大器(212),微分器(214),数字脉冲电路(216)和除铅电路(218)。 传播时间,相位或频率是测量传播的能量波,并与所测量的参数相关。