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21. 发明申请

US20100304684A1 Method and System for Chopped Antenna Impedance Measurements with an RFID Radio 有权
标题翻译：使用RFID无线电的斩波天线阻抗测量方法和系统
公开(公告)号：US20100304684A1
公开(公告)日：2010-12-02
申请号：US12476320
申请日：2009-06-02
申请人： Mark Duron , Sean Connolly , Martin Strzelczyk
发明人： Mark Duron , Sean Connolly , Martin Strzelczyk
IPC分类号： H04B17/00
CPC分类号： G01R27/04 , G01R29/10 , G01R31/2822
摘要： Described herein are methods, devices and systems for characterizing an attached antenna to an electronic device, such as a radio frequency identification (“RFID”) reader. One exemplary embodiment is related to a method comprising outputting a low amplitude modulation (“AM”) index radio frequency (“RF”) waveform, the waveform simulating tag data timing and bandwidth, removing a direct current (“DC”) component from the waveform to create a chopped portion of the waveform, applying at least one vector analyzer technique on the chopped portion of the waveform, characterizing at least one antenna impedance vector of the waveform.
摘要翻译：这里描述了用于将附接的天线表征到诸如射频识别（“RFID”）读取器的电子设备的方法，设备和系统。一个示例性实施例涉及一种方法，包括输出低幅度调制（“AM”）索引射频（“RF”）波形，模拟标签数据定时和带宽的波形，从中删除直流（“DC”）分量波形以产生波形的切碎部分，在波形的切碎部分上施加至少一个矢量分析器技术，表征波形的至少一个天线阻抗向量。

22. 发明申请

US20100182024A1 System and Method for Measuring a Cable Resistance in a Power Over Ethernet Application 有权
标题翻译：用于测量以太网供电中电缆电阻的系统和方法
公开(公告)号：US20100182024A1
公开(公告)日：2010-07-22
申请号：US12749489
申请日：2010-03-29
申请人： James Yu
发明人： James Yu
IPC分类号： G01R27/08
CPC分类号： G01R27/04 , H04L12/10
摘要： A system and method for measuring a cable resistance in a power over Ethernet (PoE) application. A short circuit module in a powered device is designed to produce a short circuit effect upon receipt of a cable resistance detection voltage. The cable resistance detection voltage can be designed to be greater than a voltage for detection or classification and less than a voltage for powering of the powered device. The measurement of the current at a time when a short circuit effect is produced at the powered device enables a calculation of the actual resistance of the cable on a given PoE port.
摘要翻译：一种用于测量以太网供电（PoE）应用中的电缆电阻的系统和方法。被动设备中的短路模块被设计成在接收到电缆电阻检测电压时产生短路效应。电缆电阻检测电压可以被设计为大于用于检测或分类的电压，并且小于用于供电设备供电的电压。电源设备产生短路效应时电流的测量可以计算给定PoE端口电缆的实际电阻。

23. 发明授权

US07696765B2 System and method for measuring a cable resistance in a Power over Ethernet application 有权
标题翻译：用于测量以太网供电应用中的电缆电阻的系统和方法
公开(公告)号：US07696765B2
公开(公告)日：2010-04-13
申请号：US11849336
申请日：2007-09-03
申请人： James Yu
发明人： James Yu
IPC分类号： G01R27/02 , G06F1/26
CPC分类号： G01R27/04 , H04L12/10
摘要： A system and method for measuring a cable resistance in a power over Ethernet (PoE) application. A short circuit module in a powered device is designed to produce a short circuit effect upon receipt of a cable resistance detection voltage. The cable resistance detection voltage can be designed to be greater than a voltage for detection or classification and less than a voltage for powering of the powered device. The measurement of the current at a time when a short circuit effect is produced at the powered device enables a calculation of the actual resistance of the cable on a given PoE port.
摘要翻译：一种用于测量以太网供电（PoE）应用中的电缆电阻的系统和方法。被动设备中的短路模块被设计成在接收到电缆电阻检测电压时产生短路效应。电缆电阻检测电压可以被设计为大于用于检测或分类的电压，并且小于用于供电设备供电的电压。电源设备产生短路效应时电流的测量可以计算给定PoE端口电缆的实际电阻。

24. 发明授权

US07683633B2 Apparatus for extending the bandwidth of vector network analyzer receivers 有权
标题翻译：用于扩展矢量网络分析仪接收机带宽的装置
公开(公告)号：US07683633B2
公开(公告)日：2010-03-23
申请号：US11853716
申请日：2007-09-11
申请人： Karam Michael Noujeim
发明人： Karam Michael Noujeim
IPC分类号： G01R27/00
CPC分类号： G01R23/04 , G01R27/04 , G01R27/32
摘要： A system for measuring a frequency response of an electrical network includes a signal source, a signal source path, a reflectometer receiver interactively associated with the signal source path by a directional coupler, and one or more additional reflectometer receivers arranged in series along the signal source path and associated with the signal source path by one or more respective additional directional couplers. The directional coupler and one or more respective additional directional couplers operate at different frequency ranges.
摘要翻译：用于测量电网的频率响应的系统包括信号源，信号源路径，与定向耦合器与信号源路径交互地相关联的反射计接收器，以及沿信号源串联布置的一个或多个附加反射计接收器路径并且通过一个或多个相应的附加定向耦合器与信号源路径相关联。定向耦合器和一个或多个相应的附加定向耦合器在不同的频率范围内工作。

25. 发明申请

US20090273352A1 SENSOR APPARATUS AND SYSTEM FOR TIME DOMAIN REFLECTOMETRY 审中-公开
标题翻译：传感器装置和时域反射测量系统
公开(公告)号：US20090273352A1
公开(公告)日：2009-11-05
申请号：US12432130
申请日：2009-04-29
申请人： XIONG YU
发明人： XIONG YU
IPC分类号： G01R27/04
CPC分类号： G01R27/04 , G01D18/00
摘要： A sensor probe for time domain reflectometry may include a plurality of flexible elongated strips of an electrically conductive material extending from a proximal end portion of the probe to a distal end portion thereof. Each of the elongated strips can be substantially coplanar relative to each other along a path that is transverse to a longitudinal axis of the probe, and the plurality of elongated strips also being in a substantially parallel arrangement along the length of the probe. A flexible substrate of an insulating material can be attached to the sheets to maintain the sheets in the substantially parallel and coplanar arrangement. A connector is electrically coupled to the strips for providing communication of electrical signals relative to the strips.
摘要翻译：用于时域反射测量的传感器探针可以包括从探针的近端部分延伸到其远端部分的多个导电材料的柔性细长条带。每个细长带可以沿着横向于探针的纵向轴线的路径相对于彼此基本上共面，并且多个细长条也沿着探针的长度大致平行的布置。绝缘材料的柔性基底可以附着到片材上，以将片材保持在基本上平行和共面的布置中。连接器电耦合到条，用于提供相对于条带的电信号的通信。

26. 发明授权

US07609076B2 Method of measuring characteristic impedance of electrostatic discharge protecting circuit and apparatus for realizing the same 有权
标题翻译：测量静电放电保护电路的特性阻抗的方法及其实现方法
公开(公告)号：US07609076B2
公开(公告)日：2009-10-27
申请号：US11749912
申请日：2007-05-17
申请人： Toshiyuki Nakaie , Masanori Sawada , Taizo Shintani , Natarajan Mahadeva Iyer , David Eric Tremouilles
发明人： Toshiyuki Nakaie , Masanori Sawada , Taizo Shintani , Natarajan Mahadeva Iyer , David Eric Tremouilles
IPC分类号： G01R27/08
CPC分类号： G01R27/04 , G01R31/2827
摘要： A method of quickly measuring a characteristic impedance of an ESD protecting circuit by applying a discharge voltage to the ESD protecting circuit, includes the steps of measuring a variation in discharge voltage applied to and a variation in discharge current caused to flow through the ESD protecting circuit with time; simultaneously detecting a state when both the discharge voltage and discharge current corresponding to each other are attenuated, after both the discharge voltage and discharge current sequentially rise to arrive individually to respective peak values based on an input to or an output from a computer; and taking a ratio of the variation of discharge voltage to the variation of discharge current during the attenuation as an impedance value when the ratio is nearly constant as well as an apparatus for realizing the same.
摘要翻译：通过向ESD保护电路施加放电电压来快速测量ESD保护电路的特性阻抗的方法包括以下步骤：测量施加的放电电压的变化和通过ESD保护电路流过的放电电流的变化随着时间的推移; 同时检测放电电压和放电电流两者彼此衰减时的状态，在放电电压和放电电流两者依次从计算机输入或从计算机输出之后依次上升到相应的峰值时; 并且当该比率几乎恒定时，将放电电压的变化与衰减期间的放电电流的变化的比率以及实现该比率的装置进行比较。

27. 发明申请

US20090228222A1 Line Resonance Analysis System 有权
标题翻译：线谐振分析系统
公开(公告)号：US20090228222A1
公开(公告)日：2009-09-10
申请号：US11992928
申请日：2006-10-03
申请人： Paolo F. Fantoni
发明人： Paolo F. Fantoni
IPC分类号： G01R31/08 , G06F19/00
CPC分类号： G01R31/021 , G01R27/04
摘要： The present invention provides a method for monitoring a condition of an electrical cable, the method comprising providing a reference signal CH0 and a signal CH1, said signal CH1 being the reference signal CH0 after amplitude and phase modulation by a cable impedance ZDUT of the electrical cable; calculating the cable impedance ZDUT as a function of the applied signal frequency based on the reference signal CH0 and the signal CH1; and analyzing said cable impedance providing an assessment of the cable condition. A system performing the method is also disclosed.
摘要翻译：本发明提供了一种用于监视电缆状况的方法，该方法包括提供参考信号CH0和信号CH1，所述信号CH1是通过电缆的电缆阻抗ZDUT进行幅度和相位调制之后的参考信号CH0 ; 基于参考信号CH0和信号CH1计算作为施加的信号频率的函数的电缆阻抗ZDUT; 并分析所述电缆阻抗，提供电缆状况的评估。还公开了执行该方法的系统。

28. 发明申请

US20090210180A1 ARRANGEMENT FOR DETERMINING THE OPERATIONAL PARAMETERS OF A HIGH-FREQUENCY POWER AMPLIFIER 有权
标题翻译：确定高频功率放大器运行参数的安排
公开(公告)号：US20090210180A1
公开(公告)日：2009-08-20
申请号：US12307513
申请日：2007-06-01
申请人： Daniel Hoebel , Hendrik Koehler , Bernd Weigenthaler
发明人： Daniel Hoebel , Hendrik Koehler , Bernd Weigenthaler
IPC分类号： G06F19/00 , G01R19/00 , G01R27/00
CPC分类号： G01R31/2822 , G01R27/04
摘要： In order to determine the operational parameters of a high-frequency power amplifier (1) (for example, complex forward and return voltage or power, complex load impedance, reflection or voltage standing wave ratio) on the connecting line (3) between the output of the high-frequency power amplifier (1) and a complex load, in particular, an antenna (4), an analog measured voltage Uu proportional to the complex voltage {right arrow over (U)} on the connecting line and an analog measured voltage Ui proportional to the complex current {right arrow over (I)} on the line (3) is determined by a Buschbeck coupling device. These measured voltages are digitized, and the required operational parameters can then be calculated in a computing unit (7) from these digital values.
摘要翻译：为了确定高频功率放大器（1）的运行参数（例如，复合正向和反向电压或功率，复合负载阻抗，反射或电压驻波比）在输出的高频功率放大器（1）和复合负载，特别是天线（4），与复合电压成比例的模拟测量电压Uu（在U上的右箭头（U）}）和测量的模拟通过Buschbeck耦合器件确定线（3）上的复电流（（I）上的右箭头）的电压Ui。这些测量电压被数字化，然后可以在这些数字值的计算单元（7）中计算所需的操作参数。

29. 发明授权

US07521943B2 Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance 失效
标题翻译：基于特征阻抗的确定估计终端到有线传输线的装置，方法和系统
公开(公告)号：US07521943B2
公开(公告)日：2009-04-21
申请号：US11091371
申请日：2005-03-29
申请人： Yehuda Binder , Ami Hazani
发明人： Yehuda Binder , Ami Hazani
IPC分类号： G01R27/08 , G01R27/00
CPC分类号： G01R27/02 , G01R27/04
摘要： A system and method for measuring a characteristic impedance of a transmission-line comprises transmitting energy to the line, and shortly after measuring the voltage/current involved and thus measuring the equivalent impedance. The measured characteristic impedance may then be used in order to determine the termination value required to minimize reflections. In another embodiment, the proper termination is set or measured by adjusting the termination value to achieve maximum power dissipation in the terminating device. The equivalent characteristic impedance measurement may be used to count the number of metallic conductors connected to a single connection point. This abstract is not intended to limit or construe the scope of the claims.
摘要翻译：用于测量传输线的特性阻抗的系统和方法包括向线路传输能量，并且在测量所涉及的电压/电流后不久测量等效阻抗。然后可以使用测量的特性阻抗，以便确定使反射最小化所需的终止值。在另一个实施例中，通过调整终端值来设置或测量适当的终端以实现终端设备中的最大功率消耗。可以使用等效特征阻抗测量来计数连接到单个连接点的金属导体的数量。本摘要并不旨在限制或解释权利要求的范围。

30. 发明授权

US07521939B2 Circuits to increase VNA measurement bandwidth 有权
标题翻译：增加VNA测量带宽的电路
公开(公告)号：US07521939B2
公开(公告)日：2009-04-21
申请号：US11317107
申请日：2005-12-22
申请人： Donald A. Bradley
发明人： Donald A. Bradley
IPC分类号： G01R27/04 , G01R27/32
CPC分类号： G01R27/28 , G01R27/04
摘要： Embodiments of the present invention relate to circuits to be inserted in a signal path between a signal generator and a test port of a vector network analyzer (VNA), where the circuits enable the VNA to make scattering parameter measurements for a load (RL) connected to the test port when the signal generator generates signals having frequencies that are below a low frequency limit (e.g., 2 MHz) of an actual dual directional coupler of the VNA. Embodiments of the present invention are also directed to a VNA that includes such circuits.
摘要翻译：本发明的实施例涉及要插入到信号发生器和矢量网络分析仪（VNA）的测试端口之间的信号路径中的电路，其中电路使VNA能够对连接的负载（RL）进行散射参数测量当信号发生器产生具有低于VNA的实际双向定向耦合器的低频限（例如，2MHz）的频率的信号时，到测试端口。本发明的实施例还涉及包括这种电路的VNA。

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