Ultrasonic position sensor
    21.
    发明授权
    Ultrasonic position sensor 失效
    超声波位置传感器

    公开(公告)号:US5591914A

    公开(公告)日:1997-01-07

    申请号:US480162

    申请日:1995-06-07

    Abstract: A position sensor for measuring the distance from a first position to a second position. The sensor may include an elastic wave generator, an acoustical path over which the elastic wave passes, and a transducer to which the wave passes. A measurement loop includes the acoustical path, and has electrical and optical elements. The electrical elements may compare the phases of the transducer signals from which the change in position between the first and second positions are determined. Alternatively, the measurement loop may comprise a feedback loop to produce oscillations and an output frequency. A frequency counter is included in the feedback loop to measure frequency.

    Abstract translation: 一种用于测量从第一位置到第二位置的距离的位置传感器。 传感器可以包括弹性波发生器,弹性波穿过的声道和波通过的换能器。 测量回路包括声道,并具有电光元件。 电气元件可以比较确定第一和第二位置之间的位置变化的换能器信号的相位。 或者,测量回路可以包括产生振荡和输出频率的反馈回路。 反馈回路中包含频率计数器以测量频率。

    MULTIPLE ELECTRODE WOUND HEALING PATCH
    26.
    发明申请
    MULTIPLE ELECTRODE WOUND HEALING PATCH 审中-公开
    多电极绕线护理贴

    公开(公告)号:US20080103550A1

    公开(公告)日:2008-05-01

    申请号:US11876147

    申请日:2007-10-22

    CPC classification number: A61N1/205 A61N1/326

    Abstract: In one example, the present invention is directed to a wound-healing patch including a flexible substrate, at least one wound electrode and at least one return electrode. In the invention, the wound electrode(s) is positioned on a portion of the flexible substrate designed to be placed over wounded tissue and the return electrode is positioned on a portion of the substrate remote from the wound-healing electrode and designed to be placed over healthy tissue.

    Abstract translation: 在一个实例中,本发明涉及包括柔性基底,至少一个缠绕电极和至少一个返回电极的伤口愈合贴片。 在本发明中,卷绕电极位于设计成放置在受伤组织上的柔性基板的一部分上,并且返回电极位于远离伤口愈合电极的基板的一部分上并被设计成放置 超过健康组织。

    Methods and Apparatus for Determining Properties of a Fluid
    27.
    发明申请
    Methods and Apparatus for Determining Properties of a Fluid 有权
    用于确定流体性质的方法和装置

    公开(公告)号:US20070204679A1

    公开(公告)日:2007-09-06

    申请号:US11748155

    申请日:2007-05-14

    CPC classification number: G01N11/16 G01N9/002

    Abstract: A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteristic associated with the second state, and determining the property of the fluid by comparing the characteristic with a function that associates a plurality of properties with a corresponding plurality of characteristics. The characteristic can include a maximum phase slope, a phase slope associated with a resonant frequency, a maximum magnitude associated with the resonant frequency, the value of the resonant frequency, or any combination thereof.

    Abstract translation: 一种用于确定流体性质的方法和系统包括将流体与处于第一状态的驻波相互作用以在第二状态下建立驻波,分析与驻波相关联的电信号以确定与第二状态相关的特性 并且通过将特征与将多个属性与相应的多个特征相关联的函数进行比较来确定流体的属性。 该特性可以包括最大相位斜率,与谐振频率相关联的相位斜率,与谐振频率相关联的最大幅度,谐振频率的值或其任何组合。

    Methods and apparatus for determining properties of a fluid
    28.
    发明授权
    Methods and apparatus for determining properties of a fluid 有权
    用于确定流体性质的方法和装置

    公开(公告)号:US07263874B2

    公开(公告)日:2007-09-04

    申请号:US11148156

    申请日:2005-06-08

    CPC classification number: G01N11/16 G01N9/002

    Abstract: A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteristic associated with the second state, and determining the property of the fluid by comparing the characteristic with a function that associates a plurality of properties with a corresponding plurality of characteristics. The characteristic can include a maximum phase slope, a phase slope associated with a resonant frequency, a maximum magnitude associated with the resonant frequency, the value of the resonant frequency, or any combination thereof.

    Abstract translation: 一种用于确定流体性质的方法和系统包括将流体与处于第一状态的驻波相互作用以在第二状态下建立驻波,分析与驻波相关联的电信号以确定与第二状态相关的特性 并且通过将特征与将多个属性与相应的多个特征相关联的函数进行比较来确定流体的属性。 该特性可以包括最大相位斜率,与谐振频率相关联的相位斜率,与谐振频率相关联的最大幅度,谐振频率的值或其任何组合。

    Ultrasonic position sensor for measuring movement of an object
    30.
    发明授权
    Ultrasonic position sensor for measuring movement of an object 失效
    用于测量物体运动的超声波位置传感器

    公开(公告)号:US5450752A

    公开(公告)日:1995-09-19

    申请号:US902713

    申请日:1992-06-23

    Abstract: A position sensor for measuring the distance from a first position to a second position. The sensor may include an elastic wave generator, an acoustical path over which the elastic wave passes, and a transducer to which the wave passes. A measurement loop includes the acoustical path, and has electrical and optical elements. The electrical elements may compare the phases of the transducer signals from which the change in position between the first and second positions are determined. Alternatively, the measurement loop may comprise a feedback loop to produce oscillations and an output frequency. A frequency counter is included in the feedback loop to measure frequency.

    Abstract translation: 一种用于测量从第一位置到第二位置的距离的位置传感器。 传感器可以包括弹性波发生器,弹性波穿过的声道和波通过的换能器。 测量回路包括声道,并具有电光元件。 电气元件可以比较确定第一和第二位置之间的位置变化的换能器信号的相位。 或者,测量回路可以包括产生振荡和输出频率的反馈回路。 反馈回路中包含频率计数器以测量频率。

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