DEVICE AND METHOD FOR DETERMINING THE COMPOSITION OF A MIXTURE OF FLUIDS
    3.
    发明申请
    DEVICE AND METHOD FOR DETERMINING THE COMPOSITION OF A MIXTURE OF FLUIDS 审中-公开
    用于测定流体混合物的组合物的装置和方法

    公开(公告)号:WO2010139965A3

    公开(公告)日:2011-03-10

    申请号:PCT/GB2010001109

    申请日:2010-06-04

    Abstract: A device for determining the composition of a mixture of fluids by spectral absorption, comprises: a radiation source; a detector for detecting radiation that has been attenuated by the mixture; and a device for separating the radiation into a wavelength band corresponding to an absorption band of one of the fluids, a wavelength band corresponding to an absorption band of another of the fluids, and at least one reference wavelength band substantially adjacent to each of the absorption bands, and especially adjacent to each side of the absorption band or group of absorption bands. The device may be used to determine the composition of mixtures of oil, water and gaseous hydrocarbons in oil wells where there is a very large degree of time varying scattering e.g. Rayleigh and Mie scattering due to turbulence.

    Abstract translation: 用于通过光谱吸收确定流体混合物的组成的装置包括:辐射源; 用于检测由所述混合物衰减的辐射的检测器; 以及用于将辐射分离成对应于一种流体的吸收带的波长带的装置,与另一种流体的吸收带相对应的波长带,以及基本上与每种吸收相邻的基准波长带 带,特别是与吸收带或吸收带组的每一侧相邻。 该装置可用于确定油井中油,水和气态烃的混合物的组成,其中存在非常大程度的时变散射,例如, 瑞利和米ie因湍流散射。

    SYSTEMS AND METHODS FOR DRIVING SEALED NEBULIZERS
    4.
    发明申请
    SYSTEMS AND METHODS FOR DRIVING SEALED NEBULIZERS 审中-公开
    用于驱动密封网络的系统和方法

    公开(公告)号:WO2011009133A1

    公开(公告)日:2011-01-20

    申请号:PCT/US2010/042473

    申请日:2010-07-19

    Abstract: Various methods, devices, and systems are described for aerosolizing a liquid. Embodiments may include sealing the liquid within a reservoir. An output waveform signal may be generated. A nebulizer element may be vibrated to aerosolize the liquid. A negative pressure may be produced within the reservoir as the liquid is aerosolized. The output waveform signal may cause the nebulizer element to vibrate. Embodiments may involve determining a phase shift between a current of the output waveform signal and a voltage of the output waveform signal. Also, embodiments may involve adjusting a frequency of the output waveform signal at least partially based on the phase shift. Further, embodiments may involve adjusting the voltage of the output waveform signal at least partially based on the frequency of the output waveform signal.

    Abstract translation: 描述了用于使液体雾化的各种方法,装置和系统。 实施例可以包括将液体密封在储存器内。 可以产生输出波形信号。 雾化器元件可以被振动以使液体雾化。 当液体雾化时,储存器内可能会产生负压。 输出波形信号可能会使雾化器元件振动。 实施例可以包括确定输出波形信号的电流和输出波形信号的电压之间的相移。 此外,实施例可以包括至少部分地基于相移来调整输出波形信号的频率。 此外,实施例可以包括至少部分地基于输出波形信号的频率来调整输出波形信号的电压。

    CONTROL SYSTEM
    5.
    发明申请
    CONTROL SYSTEM 审中-公开

    公开(公告)号:WO2017006119A3

    公开(公告)日:2017-01-12

    申请号:PCT/GB2016/052039

    申请日:2016-07-06

    Abstract: A controller for a thermo-electric cooler is disclosed. The controller comprises a current source for providing current for driving the thermo-electric cooler and a plurality of voltage supply connections for providing a plurality of different voltages for driving current controlled by the current source through the thermo-electric cooler. Voltage selection circuitry is provided for selecting a voltage from the plurality of different voltages, when connected, and for applying the voltage selected to the thermo-electric cooler. When selecting the voltage from the plurality of different voltages, the voltage selection circuitry is configured to select the voltage that, when compared to the other voltages of the plurality of voltages, minimises a potential difference across the current source.

    CONTROL SYSTEM
    6.
    发明申请
    CONTROL SYSTEM 审中-公开
    控制系统

    公开(公告)号:WO2017006119A2

    公开(公告)日:2017-01-12

    申请号:PCT/GB2016/052039

    申请日:2016-07-06

    Abstract: A controller for a thermo-electric cooler is disclosed. The controller comprises a current source for providing current for driving the thermo-electric cooler and a plurality of voltage supply connections for providing a plurality of different voltages for driving current controlled by the current source through the thermo-electric cooler. Voltage selection circuitry is provided for selecting a voltage from the plurality of different voltages, when connected, and for applying the voltage selected to the thermo-electric cooler. When selecting the voltage from the plurality of different voltages, the voltage selection circuitry is configured to select the voltage that, when compared to the other voltages of the plurality of voltages, minimises a potential difference across the current source.

    Abstract translation: 公开了一种用于热电冷却器的控制器。 控制器包括用于提供用于驱动热电冷却器的电流的电流源和用于提供用于驱动由电流源通过热电冷却器控制的电流的多个不同电压的多个电压供应连接。 提供电压选择电路,用于在连接时从多个不同电压中选择电压,并将选择的电压施加到热电冷却器。 当从多个不同电压中选择电压时,电压选择电路被配置为选择当与多个电压中的其他电压进行比较时使电流源两端的电势差最小化的电压。

    MONITORING PHOSPHORESCENCE
    7.
    发明申请
    MONITORING PHOSPHORESCENCE 审中-公开
    监测磷

    公开(公告)号:WO2010018353A1

    公开(公告)日:2010-02-18

    申请号:PCT/GB2009/000876

    申请日:2009-04-01

    Abstract: A method of monitoring phosphorescence emitted by an article comprises exposing the article (2) to stimulating radiation (4), to generate a phosphorescent response from the article (2). The amplitude of the stimulating radiation oscillates between higher and lower magnitudes. The emitted phosphorescence is detected. The stimulating radiation is oscillated at a frequency with a period less than the decay time of the phosphorescence.

    Abstract translation: 监测由物品发射的磷光的方法包括将制品(2)暴露于刺激辐射(4),以从制品(2)产生磷光反应。 刺激辐射的振幅在较高和较低的幅度之间振荡。 检测发射的磷光。 刺激辐射以小于磷光衰减时间的频率振荡。

    DEVICE AND METHOD FOR DETERMINING THE COMPOSITION OF A MIXTURE OF FLUIDS
    8.
    发明申请
    DEVICE AND METHOD FOR DETERMINING THE COMPOSITION OF A MIXTURE OF FLUIDS 审中-公开
    用于测定流体混合物的组合物的装置和方法

    公开(公告)号:WO2010139965A2

    公开(公告)日:2010-12-09

    申请号:PCT/GB2010/001109

    申请日:2010-06-04

    Abstract: A device for determining the composition of a mixture of fluids by spectral absorption, comprises: a radiation source; a detector for detecting radiation that has been attenuated by the mixture; and a device for separating the radiation into a wavelength band corresponding to an absorption band of one of the fluids, a wavelength band corresponding to an absorption band of another of the fluids, and at least one reference wavelength band substantially adjacent to each of the absorption bands, and especially adjacent to each side of the absorption band or group of absorption bands. The device may be used to determine the composition of mixtures of oil, water and gaseous hydrocarbons in oil wells where there is a very large degree of time varying scattering e.g. Rayleigh and Mie scattering due to turbulence. In addition, a device for outputting the ratio of values of a pair of signals, e.g the output from such a device, comprises a detector (72, 76) for sampling each signal; a variable-gain amplifier (82) for amplifying each of the detected signals with the same gain and outputting each of the amplified signals. The variable- gain amplifier includes a feedback loop (90, 94) for receiving one of the amplified signals output by the amplifier and adjusting the gain of the amplifier to be inversely proportional thereto, so that the other of the pair of signals is output by the amplifier with reference to the said one of the signals.

    Abstract translation: 用于通过光谱吸收确定流体混合物的组成的装置包括:辐射源; 用于检测由所述混合物衰减的辐射的检测器; 以及用于将辐射分离成对应于一种流体的吸收带的波长带的装置,与另一种流体的吸收带相对应的波长带,以及基本上与每种吸收相邻的基准波长带 带,特别是与吸收带或吸收带组的每一侧相邻。 该装置可用于确定油井中油,水和气态烃的混合物的组成,其中存在非常大程度的时变散射,例如, 瑞利和米ie因湍流散射。 另外,用于输出一对信号(例如来自这种装置的输出)的值的比率的装置包括用于对每个信号进行采样的检测器(72,76); 可变增益放大器(82),用于以相同的增益放大每个检测到的信号,并输出每个放大的信号。 可变增益放大器包括用于接收由放大器输出的放大信号之一并且将放大器的增益与其成反比调整的反馈回路(90,94),使得该对信号中的另一个由 该放大器参考所述一个信号。

    VENOUS PULSE OXIMETRY
    9.
    发明申请

    公开(公告)号:WO2003063697A1

    公开(公告)日:2003-08-07

    申请号:PCT/GB2003/000427

    申请日:2003-01-31

    CPC classification number: A61B5/14551

    Abstract: A method of non-invasively measuring venous oxygen saturation, comprising: applying a pressure transducer at a first site on a body, applying a drive signal to the external pressure transducer at a predetermined frequency, to cause a series of pulsations of a predetermined magnitude in the venous blood volume in the vicinity of said first site, applying an oximeter device at a second site on the body, measuring output signals received from said oximeter device, said output signals containing a component representative of the modulation of venous blood volume due to said pulsations, deriving a measure of venous oxygen saturation from the frequency response of said output signals.

    Abstract translation: 一种非侵入性地测量静脉血氧饱和度的方法,包括:在身体的第一部位施加压力传感器,以预定频率向外部压力换能器施加驱动信号,以使预定幅度的一系列脉动 在所述第一部位附近的静脉血容量,在身体的第二部位施加血氧计装置,测量从所述血氧计装置接收到的输出信号,所述输出信号包含代表由于所述血流计所产生的静脉血容量的调制的成分 脉动,从所述输出信号的频率响应导出静脉血氧饱和度的测量值。

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