Isolation of short-circuited sensor cells for high-reliability operation of sensor array
    1.
    发明授权
    Isolation of short-circuited sensor cells for high-reliability operation of sensor array 有权
    隔离传感器阵列的高可靠性操作的短路传感器单元

    公开(公告)号:US07293462B2

    公开(公告)日:2007-11-13

    申请号:US11028789

    申请日:2005-01-04

    IPC分类号: G01H11/00

    CPC分类号: H04R23/00 B06B1/0292

    摘要: A device comprising an array of sensors and a multiplicity of bus lines, each sensor being electrically connected to a respective bus line and comprising a respective multiplicity of groups of micromachined sensor cells, the sensor cell groups of a particular sensor being electrically coupled to each other via the bus line to which that sensor is connected, each sensor cell group comprising a respective multiplicity of micromachined sensor cells that are electrically interconnected to each other and not switchably disconnectable from each other, the device further comprising means for isolating any one of the sensor cell groups from its associated bus line and in response to any one of the micromachined sensor cells of that sensor cell group being short-circuited to ground. In one implementation, the isolating means comprise a multiplicity of fuses. In another implementation, the isolating means comprise a multiplicity of short circuit protection modules, each module comprising a current sensor circuit and an electrical isolation switch.

    摘要翻译: 一种包括传感器阵列和多条总线线路的设备,每个传感器电连接到相应的总线,并且包括相应多个微机械传感器单元组,特定传感器的传感器单元组彼此电耦合 通过连接该传感器的总线,每个传感器单元组包括彼此电互连并且不可切换地彼此分离的相应多个微机械传感器单元,该装置还包括用于隔离传感器 来自其相关联的总线线路的单元组以及响应于该传感器单元组的微机械传感器单元中的任一个被短路到地。 在一个实施方案中,隔离装置包括多个保险丝。 在另一实施方案中,隔离装置包括多个短路保护模块,每个模块包括电流传感器电路和电隔离开关。

    MEMS based current sensor using magnetic-to-mechanical conversion and reference components
    2.
    发明授权
    MEMS based current sensor using magnetic-to-mechanical conversion and reference components 有权
    基于MEMS的电流传感器采用磁 - 机转换和参考元件

    公开(公告)号:US07495430B2

    公开(公告)日:2009-02-24

    申请号:US11506988

    申请日:2006-08-18

    IPC分类号: G01R33/00

    摘要: A micro-electromechanical system (MEMS) current sensor is described as including a first conductor, a magnetic field shaping component for shaping a magnetic field produced by a current in the first conductor, and a MEMS-based magnetic field sensing component including a magneto-MEMS component for sensing the shaped magnetic field and, in response thereto, providing an indication of the current in the first conductor. A method for sensing a current using MEMS is also described as including shaping a magnetic field produced with a current in a first conductor, sensing the shaped magnetic field with a MEMS-based magnetic field sensing component having a magneto-MEMS component magnetic field sensing circuit, and providing an indication of the current in the first conductor.

    摘要翻译: 微机电系统(MEMS)电流传感器被描述为包括第一导体,用于使由第一导体中的电流产生的磁场成形的磁场成形部件,以及包括磁 - 用于感测成形磁场的MEMS组件,并且响应于此,提供第一导体中的电流的指示。 还描述了一种用于感测使用MEMS的电流的方法,包括使用在第一导体中的电流产生的磁场成形,用具有磁MEMS组件磁场感测电路的基于MEMS的磁场感测部件感测成形的磁场 并且提供第一导体中的电流的指示。

    MEMS based current sensor using magnetic-to-mechanical conversion and reference components
    4.
    发明授权
    MEMS based current sensor using magnetic-to-mechanical conversion and reference components 有权
    基于MEMS的电流传感器采用磁 - 机转换和参考元件

    公开(公告)号:US07466121B2

    公开(公告)日:2008-12-16

    申请号:US11506493

    申请日:2006-08-18

    IPC分类号: G01R33/00

    摘要: A micro-electromechanical system (MEMS) current sensor is described as including a first conductor, a magnetic field shaping component for shaping a magnetic field produced by a current in the first conductor, and a MEMS-based magnetic field sensing component including a magneto-MEMS component for sensing the shaped magnetic field and, in response thereto, providing an indication of the current in the first conductor. A method for sensing a current using MEMS is also described as including shaping a magnetic field produced with a current in a first conductor, sensing the shaped magnetic field with a MEMS-based magnetic field sensing component having a magneto-MEMS component magnetic field sensing circuit, and providing an indication of the current in the first conductor.

    摘要翻译: 微机电系统(MEMS)电流传感器被描述为包括第一导体,用于使由第一导体中的电流产生的磁场成形的磁场成形部件,以及包括磁 - 用于感测成形磁场的MEMS组件,并且响应于此,提供第一导体中的电流的指示。 还描述了一种用于感测使用MEMS的电流的方法,包括使用在第一导体中的电流产生的磁场成形,用具有磁MEMS组件磁场感测电路的基于MEMS的磁场感测组件感测成形的磁场 并且提供第一导体中的电流的指示。

    LOW POWER PRECONCENTRATOR FOR MICRO GAS ANALYSIS
    5.
    发明申请
    LOW POWER PRECONCENTRATOR FOR MICRO GAS ANALYSIS 审中-公开
    用于微气体分析的低功率预处理器

    公开(公告)号:US20110094290A1

    公开(公告)日:2011-04-28

    申请号:US12605757

    申请日:2009-10-26

    IPC分类号: G01N1/40 G01N30/02 G01N1/44

    摘要: A low power preconcentrator for use in micro gas analysis, such as gas chromatography, and a system that employs the preconcentrator is disclosed. The preconcentrator includes a reservoir that comprises a heater membrane and elements coated at least partially with an adsorbent, and ports for receiving and discharging an analyte in communication with the reservoir. At least a portion of the reservoir (e.g., a cap) is made of a material having a thermal conductivity less than about 100 W/(m·K) and/or the heater membrane is made of a material that has a temperature difference less than about 75° C. when heated. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.

    摘要翻译: 公开了一种用于微气体分析的低功率预浓缩器,例如气相色谱法,以及采用预浓缩器的系统。 预浓缩器包括储存器,其包括加热器膜和至少部分地涂覆有吸附剂的元件,以及用于接收和排出与储存器连通的分析物的端口。 储存器的至少一部分(例如,盖子)由热导率小于约100W /(m·K)的材料制成,和/或加热器膜由具有较低温度差的材料制成 加热时约为75℃。 已经根据具体实施例描述了本发明,并且认识到除了明确说明的那些之外的等同物,替代方案和修改是可能的并且在附加权利要求的范围内。

    Micro-electromechanical system (MEMS) based current and magnetic field sensor using tunneling current sensing
    10.
    发明授权
    Micro-electromechanical system (MEMS) based current and magnetic field sensor using tunneling current sensing 有权
    基于微机电系统(MEMS)的电流和磁场传感器使用隧道电流检测

    公开(公告)号:US07741832B2

    公开(公告)日:2010-06-22

    申请号:US11736678

    申请日:2007-04-18

    IPC分类号: G01R33/00

    摘要: A micro-electro-mechanical system (MEMS) current sensor for sensing a magnetic field produced by an electrical current flowing in a conductor includes a first fixed element and a moving element. The moving element is spaced away from the first fixed element and is movable relative to the fixed element responsive to a magnetic field produced by an electrical current flowing in a conductor for providing a mechanical indication of a strength of the magnetic field. The sensor also includes a tunneling current generator for generating a tunneling current between the first fixed element and the moving element and a tunneling current monitor for monitoring a change in the tunneling current responsive to the mechanical indication to provide an indication of a value of the electrical current in the conductor.

    摘要翻译: 用于感测由在导体中流动的电流产生的磁场的微机电系统(MEMS)电流传感器包括第一固定元件和移动元件。 移动元件与第一固定元件间隔开,并且可响应于在导体中流动的电流产生的磁场相对于固定元件移动,以提供磁场强度的机械指示。 传感器还包括用于在第一固定元件和移动元件之间产生隧道电流的隧道电流发生器,以及隧道电流监视器,用于响应于机械指示监视隧道电流的变化,以提供电气值的指示 电流在导体中。