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    • 1. 发明申请
    • Phased array systems and methods
    • 相控阵系统和方法
    • US20070176824A1
    • 2007-08-02
    • US11647584
    • 2006-12-29
    • David StumboRichard Compton
    • David StumboRichard Compton
    • H01Q3/00H01Q3/12
    • H01Q3/34
    • A phased array system having antennas, non-variable phase shifters, and switches. The non-variable phase shifters are configured to be coupled selectively to a transmitter or a receiver. A non-variable phase shifter is configured to shift a phase of an electromagnetic energy wave that traverses the non-variable phase shifter by a fraction of a period of the electromagnetic energy wave for a range of frequencies of the electromagnetic energy wave. At least one of the fraction and the range associated with the non-variable phase shifter is different from at least one of the fraction and the range associated with other non-variable phase shifters. The switches are configured to couple selectively the antennas to the non-variable phase shifters, the transmitter, or the receiver.
    • 具有天线,非可变移相器和开关的相控阵系统。 非可变移相器被配置为选择性地耦合到发射机或接收机。 非可变移相器被配置为在电磁能量波的频率范围内使穿过非可变移相器的电磁能量波的相位偏移电磁能波的周期的一小部分。 与非可变移相器相关联的分数和范围中的至少一个与与其他非可变移相器相关联的分数和范围中的至少一个不同。 开关被配置为将天线选择性地耦合到非可变移相器,发射器或接收器。
    • 2. 发明申请
    • Electrochemical Sensors
    • 电化学传感器
    • US20080035481A1
    • 2008-02-14
    • US10591491
    • 2005-03-04
    • Sean McCormackRichard ComptonGregory WildgooseNathan Lawrence
    • Sean McCormackRichard ComptonGregory WildgooseNathan Lawrence
    • G01N27/26C01B31/02
    • C01B32/174B82Y15/00B82Y30/00B82Y40/00C01B32/05C01B32/20G01N27/308
    • An electrode for use in a electrochemical sensor comprises carbon modified with a chemically sensitive redox-active compound, excluding an electrode based on carbon having derivatised thereon two redox-active species wherein at least one of said species is selected from anthraquinone, phenanthrenequinone and N,N′-diphenyl-p-phenylenediamine (DPPD). The invention further provides a pH sensor comprising: a working electrode comprising carbon modified with a chemically sensitive redox active material; and a counter electrode, wherein the ratio of the surface area of the working electrode to the surface area of the counter electrode is from 1:10 to 10:1. Also provided is a pH sensor comprising: a working electrode comprising carbon modified with a chemically sensitive redox active material, and a counter electrode, wherein the area of the working electrode is from 500 μm2 to 0.1 m2. The uses of these electrodes and sensors are also described.
    • 用于电化学传感器的电极包括用化学敏感的氧化还原活性化合物改性的碳,不包括基于其上衍生有两种氧化还原活性物质的碳的电极,其中至少一种所述物质选自蒽醌,菲醌和N, N'-二苯基对苯二胺(DPPD)。 本发明还提供一种pH传感器,其包括:工作电极,其包含用化学敏感的氧化还原活性材料改性的碳; 和相对电极,其中工作电极的表面积与对电极的表面积之比为1:10至10:1。 还提供了一种pH传感器,包括:包含用化学敏感的氧化还原活性材料改性的碳的工作电极和对电极,其中工作电极的面积为500μm2〜0.1μm, SUP> 2 。 还描述了这些电极和传感器的用途。