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    • 7. 发明申请
    • System and method for sensing the level and composition of liquid in a fuel tank
    • 用于感测燃料箱中液体的含量和组成的系统和方法
    • US20070000321A1
    • 2007-01-04
    • US11431912
    • 2006-05-10
    • Idir BoudaoudWilliam StewartAlan McCall
    • Idir BoudaoudWilliam StewartAlan McCall
    • G01F23/24
    • G01F23/26G01F23/22G01F23/284
    • In a liquid sensing system, an RF signal is applied to a series-resonant circuit. The coil of the resonant circuit is placed proximate to a fuel tank, causing electromagnetic radiation to propagate into the fuel space. The fuel acts as an electrical load to the resonant circuit in a manner proportionate to the volume of fuel in the tank and/or to variations in electrical properties of the fuel itself. The loading effect of the fuel can change the resonant frequency and/or the Q of the resonant circuit. The loading effect of the fuel is determined by monitoring a change in one or more electrical parameters associated with the excited resonant circuit, such as a voltage across the resistor in the resonant circuit. Changes in this voltage are analyzed by a controller, the result of which is used to output a value indicative of level and/or composition of the fuel.
    • 在液体感测系统中,将RF信号施加到串联谐振电路。 谐振电路的线圈靠近燃料箱放置,导致电磁辐射传播到燃料空间。 燃料以与罐中燃料的体积成比例的方式和/或燃料本身的电气特性的变化作为对谐振回路的电负载。 燃料的负载效应可以改变谐振电路的谐振频率和/或Q。 通过监测与激发的谐振电路相关联的一个或多个电参数的变化(例如谐振电路中的电阻器两端的电压)来确定燃料的负载效果。 该电压的变化由控制器分析,其结果用于输出指示燃料的水平和/或组成的值。
    • 9. 发明申请
    • Headrest support and adjustment mechanism
    • 头枕支撑和调整机制
    • US20050184573A1
    • 2005-08-25
    • US11114876
    • 2005-04-25
    • Christopher StoneBrian BonnWilliam Stewart
    • Christopher StoneBrian BonnWilliam Stewart
    • A47C7/38A61G15/12A47C1/10
    • A47C7/38A61G15/125
    • A mechanism for supporting and permitting selected adjustment of the position of a headrest relative to the back of a chair comprises a body, a first pivotable connection, a second pivotable connection and a selectively releasable locking mechanism. The first pivotable connection is near the first end of the body, adapted to connect to the chair and to allow pivoting of the body relative to the chair. The second pivotable connection is near the second end of the body, adapted to connect to the headrest and to allow pivoting of the headrest relative to the body. The selectively releasable locking mechanism is configured to retain the body in selected angular positions relative to the chair and relative to the headrest by clamping together interleaved plate members in frictional contact and to allow for one-handed actuation.
    • 用于支撑和允许头枕相对于椅子后部的位置的选择性调整的机构包括主体,第一可枢转连接,第二可枢转连接和可选择性释放的锁定机构。 第一可枢转连接靠近主体的第一端,适于连接到椅子并允许身体相对于椅子枢转。 第二可枢转连接靠近主体的第二端,适于连接到头枕并允许头枕相对于身体枢转。 可选择性地释放的锁定机构构造成通过将交错的板构件以摩擦接触夹紧在一起并且允许单手致动,将主体相对于椅子和相对于头枕保持在选定的角度位置。