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    • 43. 发明申请
    • Valve for dispensing two liquids at a predetermined ratio
    • 用于以预定比例分配两种液体的阀
    • US20050145650A1
    • 2005-07-07
    • US11041804
    • 2005-01-24
    • Paul HenrySteve CzeckPhilip SimmonsKeith HeyesMartin JohnsonJamie Atkinson
    • Paul HenrySteve CzeckPhilip SimmonsKeith HeyesMartin JohnsonJamie Atkinson
    • B67D7/74B67D1/00B67D1/12B67D1/14F16K5/04F16K5/10B67D5/56
    • B67D1/1234B67D1/005B67D1/0085B67D1/1218B67D1/1295B67D1/14B67D2001/0088F16K1/54
    • The present invention is a valve that provides for automatic and accurate fluid dispensing of two fluids at a predetermined ratio. The valve is designed to be easily assembled and disassembled by hand without the need for hand tools, and includes a diluent flow body and a concentrate flow body releasably securable to a common nozzle body portion. The diluent and concentrate flow bodies each define a flow channel and each include a first end for connection to sources of diluent and concentrate respectively, and an opposite end for fluid connection with the nozzle body. The diluent body flow channel includes a flow sensor connected to a micro-controller for sensing the flow rate of the diluent. The concentrate body flow channel includes a further flow sensor for sensing the flow rate of the concentrate. Stepper motors are secured to both the diluent and concentrate bodies and each operates a linear rod extending there through and through a flow regulator. The position of the end of each shaft end relative to a central bore of each flow regulator permits adjustment of the resultant flow rate of the corresponding liquid. The control therefore operates each stepper in accordance with the sensed flow rate of each corresponding flow sensor whereby the flow rate of each liquid can be adjusted as is required.
    • 本发明是一种阀,其以预定比率提供两种流体的自动和精确流体分配。 该阀被设计成易于手工组装和拆卸,而不需要手动工具,并且包括可释放地固定到公共喷嘴主体部分的稀释剂流动体和浓缩物流动体。 稀释剂和浓缩物流体各自限定流动通道,并且每个流体通道分别包括用于连接到稀释剂和浓缩物源的第一端和用于与喷嘴体流体连接的相对端。 稀释剂体流道包括连接到微控制器的流量传感器,用于感测稀释剂的流量。 浓缩物体流路包括用于感测浓缩物的流量的另一流量传感器。 步进电机固定在稀释剂和浓缩物两者上,并且每个操作一个线性杆,通过并通过流量调节器延伸到其上。 每个轴端的端部相对于每个流量调节器的中心孔的位置允许调节相应液体的合成流速。 因此,控制器根据每个相应的流量传感器的感测流量操作每个步进器,由此可以根据需要调节每个液体的流量。
    • 46. 发明授权
    • Dynamical system analyzer
    • 动力系统分析仪
    • US5493516A
    • 1996-02-20
    • US404098
    • 1995-03-14
    • David S. BroomheadRobin JonesMartin Johnson
    • David S. BroomheadRobin JonesMartin Johnson
    • G01H17/00G01M13/04G01M15/04G01M19/00G06F15/18G06F17/00G06F17/50G06F19/00H03H21/00H04B3/04G05B13/02
    • A61B5/0476G05B23/0221G06N99/005Y10S706/902Y10S706/903
    • A dynamical system analyzer (10) incorporates a computer (22) to perform a singular value decomposition of a time series of signals from a nonlinear (possibly chaotic) dynamical system (14). Relatively low-noise singular vectors from the decomposition are loaded into a finite impulse response filter (34). The time series is formed into Takens' vectors each of which is projected onto each of the singular vectors by the filter (34). Each Takens' vector thereby provides the co-ordinates of a respective point on a trajectory of the system (14) in a phase space. A heuristic processor (44) is used to transform delayed co-ordinates by QR decomposition and least squares fitting so that they are fitted to non-delayed co-ordinates. The heuristic processor (44) generates a mathematical model to implement this transformation, which predicts future system states on the basis of respective current states. A trial system is employed to generate like co-ordinates for transforation in the heuristic processor (44). This produces estimates of the trial system's future states predicted from the comparison system's model. Alternatively, divergences between such estimates and actual behavior may be obtained. As a further alternative, mathematical models derived by the analyzer (10) from different dynamical systems may be compared.
    • 动态系统分析器(10)包括计算机(22),以执行来自非线性(可能是混沌)动力系统(14)的时间序列信号的奇异值分解。 来自分解的相对低噪声奇异矢量被加载到有限脉冲响应滤波器(34)中。 时间序列被形成为通过滤波器(34)投影到每个奇异矢量上的Takens向量。 因此,每个Takens向量从而在相位空间中提供系统(14)的轨迹上的相应点的坐标。 启发式处理器(44)用于通过QR分解和最小二乘拟合来转换延迟坐标,使得它们适合于非延迟坐标。 启发式处理器(44)产生一个数学模型以实现该变换,其基于相应的当前状态来预测未来的系统状态。 在启发式处理器(44)中采用试验系统来产生用于穿孔的类似坐标。 这产生了从比较系统模型预测的试验系统未来状态的估计。 或者,可以获得这种估计与实际行为之间的分歧。 作为另一替代方案,可以比较来自不同动力系统的分析器(10)导出的数学模型。
    • 47. 发明授权
    • Dynamical system analyser
    • 动力系统分析仪
    • US5453940A
    • 1995-09-26
    • US119138
    • 1993-10-07
    • David S. BroomheadRobin JonesMartin Johnson
    • David S. BroomheadRobin JonesMartin Johnson
    • G01H17/00G01M13/04G01M15/04G01M19/00G06F15/18G06F17/00G06F17/50G06F19/00H03H21/00H04B3/04G06F15/20
    • A61B5/0476G05B23/0221G06N99/005Y10S706/902Y10S706/903
    • A dynamical system analyser (10) incorporates a computer (22) to perform a singular value decomposition of a time series of signals from a nonlinear (possibly chaotic) dynamical system (14). Relatively low-noise singular vectors from the decomposition are loaded into a finite impulse response filter (34). The time series is formed into Takens' vectors each of which is projected onto each of the singular vectors by the filter (34). Each Takens' vector thereby provides the co-ordinates of a respective point on a trajectory of the system (14) in a phase space. A heuristic processor (44) is used to transform delayed co-ordinates by QR decomposition and least squares fitting so that they are fitted to non-delayed co-ordinates. The heuristic processor (44) generates a mathematical model to implement this transformation, which predicts future system states on the basis of respective current states. A trial system is employed to generate like co-ordinates for transforation in the heuristic processor (44). This produces estimates of the trial system's future states predicted from the comparison system's model. Alternatively, divergences between such estimates and actual behavior may be obtained. As a further alternative, mathematical models derived by the analyser (10) from different dynamical systems may be compared.
    • PCT No.PCT / GB92 / 00374 Sec。 371日期:1993年10月7日 102(e)日期1993年10月7日PCT 1991年3月30日PCT PCT。 公开号WO92 / 16897 动力系统分析器(10)包括计算机(22),以执行来自非线性(可能是混沌)动力系统(14)的时间序列信号的奇异值分解。 来自分解的相对低噪声奇异矢量被加载到有限脉冲响应滤波器(34)中。 时间序列被形成为通过滤波器(34)投影到每个奇异矢量上的Takens向量。 因此,每个Takens向量从而在相位空间中提供系统(14)的轨迹上的相应点的坐标。 启发式处理器(44)用于通过QR分解和最小二乘拟合来转换延迟坐标,使得它们适合于非延迟坐标。 启发式处理器(44)产生一个数学模型以实现该变换,其基于相应的当前状态来预测未来的系统状态。 在启发式处理器(44)中采用试验系统来产生用于穿孔的类似坐标。 这产生了从比较系统模型预测的试验系统未来状态的估计。 或者,可以获得这种估计与实际行为之间的分歧。 作为另一替代方案,可以比较来自不同动力系统的分析器(10)导出的数学模型。
    • 48. 发明授权
    • Avalanche photodiode quenching circuit wtih resetting means having a
second amplifier
    • AVALANCHE光电二极管电路WTIH复位器具有第二个放大器
    • US5194727A
    • 1993-03-16
    • US834287
    • 1992-02-20
    • Martin JohnsonRobin Jones
    • Martin JohnsonRobin Jones
    • G01J1/42G01J1/44G01S7/486
    • G01J1/44G01S7/4861G01J2001/4466
    • An avalanche photodiode quenching circuit (20) incorporates an avalanche photodiode (APD) (22) and a first comparator (C1) responsive to reduction in APD voltage. The comparator (C1) is arranged to activate an APD quench circuit (38) in response to APD avalanche initiation. The circuit (20) also includes a second comparator (C2) arranged to reset the first comparator input (N2) in response to a further reduction in APD voltage caused by initiation of quenching. The second comparator (C2) is also connected to a monostable circuit (48) arranged to latch the first comparator output response to resetting. The monostable circuit (48) maintains the first comparator output level constant until the APD (22) has recharged.
    • PCT No.PCT / GB90 / 01012 Sec。 371日期1992年2月20日 102(e)日期1992年2月20日PCT提交1990年7月2日PCT公布。 出版物WO91 / 00502 日期:1991年1月10日。雪崩光电二极管猝灭电路(20)包含雪崩光电二极管(APD)(22)和响应于APD电压降低的第一比较器(C1)。 比较器(C1)被布置成响应于APD雪崩启动而激活APD骤冷回路(38)。 电路(20)还包括第二比较器(C2),其被配置为响应于由骤冷开始引起的APD电压的进一步降低来复位第一比较器输入(N2)。 第二比较器(C2)也连接到单稳态电路(48),其被布置成将第一比较器输出响应锁存到复位。 单稳态电路(48)保持第一比较器输出电平恒定直到APD(22)再充电。