专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08988173B2 Differential negative impedance converters and inverters with variable or tunable conversion ratios 有权
标题翻译：差分负阻抗变换器和具有可变或可调谐转换比的逆变器
公开(公告)号：US08988173B2
公开(公告)日：2015-03-24
申请号：US13441730
申请日：2012-04-06
申请人： Donald A. Hitko , Carson R. White , Michael W. Yung , David S. Matthews , Susan L. Morton , Jason W. May , Joseph S. Colburn
发明人： Donald A. Hitko , Carson R. White , Michael W. Yung , David S. Matthews , Susan L. Morton , Jason W. May , Joseph S. Colburn
IPC分类号： H03H11/10 , H03H11/48
CPC分类号： H03H11/10 , H03F1/56 , H03F2200/369 , H03H11/44 , H03H11/48 , H04B1/0458 , H04B1/18
摘要： A differential circuit topology that produces a tunable floating negative inductance, negative capacitance, negative resistance/conductance, or a combination of the three. These circuits are commonly referred to as “non-Foster circuits.” The disclosed embodiments of the circuits comprises two differential pairs of transistors that are cross-coupled, a load immittance, multiple current sources, two Common-Mode FeedBack (CMFB) networks, at least one tunable (variable) resistance, and two terminals across which the desired immittance is present. The disclosed embodiments of the circuits may be configured as either a Negative Impedance Inverter (NII) or a Negative Impedance Converter (NIC) and as either Open-Circuit-Stable (OCS) and Short-Circuit-Stable (SCS).
摘要翻译：差分电路拓扑产生可调浮动负电感，负电容，负电阻/电导或三者的组合。这些电路通常被称为“非福斯特电路”。所公开的电路实施例包括交叉耦合的两个差分对晶体管，负载导纳，多个电流源，两个共模反馈（CMFB）网络，至少一个可调谐（可变）电阻，以及两个端子，跨过其中存在所需的导纳。所公开的电路实施例可以被配置为负阻抗逆变器（NII）或负阻抗转换器（NIC）以及作为开路稳定（OCS）和短路稳定（SCS）。

2. 发明授权

US08660511B2 Antenna diversity scheme employing band pass sampling and fast semiconductor switching 有权
标题翻译：采用带通采样和快速半导体开关的天线分集方案
公开(公告)号：US08660511B2
公开(公告)日：2014-02-25
申请号：US13308597
申请日：2011-12-01
申请人： Timothy J. Talty , James H. Schaffner , Hyok Jae Song , Joseph S. Colburn , Duane S. Carper
发明人： Timothy J. Talty , James H. Schaffner , Hyok Jae Song , Joseph S. Colburn , Duane S. Carper
IPC分类号： H04B1/06 , H04B7/00 , H05K11/02
CPC分类号： H04B7/0604 , H01Q1/1271 , H01Q3/24
摘要： A vehicle or other host station includes first and second antennas, a fast semiconductor switch, a switching controller, and an RF receiver. The controller toggles the switch at a calibrated switching rate to selectively and alternately connect the first antenna to one of the RF receiver and a load having a calibrated impedance value. The first antenna may be a parasitic element in any embodiment using the load. The semiconductor switch may be a CMOS device or a Gallium Arsenide semiconductor switch. A switching control method for use in a vehicle or other host station having the first antenna, the second antenna, and the RF receiver includes transmitting a switching signal from the controller to the switch, and toggling the switch at a calibrated switching rate in response to the switching signal to selectively and alternately connect the first antenna to one of the RF receiver and the load.
摘要翻译：车辆或其他主机站包括第一和第二天线，快速半导体开关，开关控制器和RF接收器。控制器以校准的开关速率切换开关，以选择性地并且交替地将第一天线连接到RF接收器之一和具有校准阻抗值的负载。在使用负载的任何实施例中，第一天线可以是寄生元件。半导体开关可以是CMOS器件或砷化镓半导体开关。一种在具有第一天线，第二天线和RF接收机的车辆或其他主机站中使用的切换控制方法包括：将来自控制器的切换信号发送到交换机，并且以校准的切换速率响应于所述切换信号选择性地并且交替地将所述第一天线连接到所述RF接收器和所述负载之一。

3. 发明申请

US20120171977A1 ANTENNA DIVERSITY SCHEME EMPLOYING BAND PASS SAMPLING AND FAST SEMICONDUCTOR SWITCHING 有权
标题翻译：天线多样性方案采用条带采样和快速半导体开关
公开(公告)号：US20120171977A1
公开(公告)日：2012-07-05
申请号：US13308597
申请日：2011-12-01
申请人： Timothy J. Talty , James H. Schaffner , Hyok Jae Song , Joseph S. Colburn , Duane S. Carper
发明人： Timothy J. Talty , James H. Schaffner , Hyok Jae Song , Joseph S. Colburn , Duane S. Carper
IPC分类号： H04B1/18 , H04B1/16 , H04B1/06
CPC分类号： H04B7/0604 , H01Q1/1271 , H01Q3/24
摘要： A vehicle or other host station includes first and second antennas, a fast semiconductor switch, a switching controller, and an RF receiver. The controller toggles the switch at a calibrated switching rate to selectively and alternately connect the first antenna to one of the RF receiver and a load having a calibrated impedance value. The first antenna may be a parasitic element in any embodiment using the load. The semiconductor switch may be a CMOS device or a Gallium Arsenide semiconductor switch. A switching control method for use in a vehicle or other host station having the first antenna, the second antenna, and the RF receiver includes transmitting a switching signal from the controller to the switch, and toggling the switch at a calibrated switching rate in response to the switching signal to selectively and alternately connect the first antenna to one of the RF receiver and the load.
摘要翻译：车辆或其他主机站包括第一和第二天线，快速半导体开关，开关控制器和RF接收器。控制器以校准的开关速率切换开关，以选择性地并且交替地将第一天线连接到RF接收器之一和具有校准阻抗值的负载。在使用负载的任何实施例中，第一天线可以是寄生元件。半导体开关可以是CMOS器件或砷化镓半导体开关。一种在具有第一天线，第二天线和RF接收机的车辆或其他主机站中使用的切换控制方法包括：将来自控制器的切换信号发送到交换机，并且以校准的切换速率响应于所述切换信号选择性地并且交替地将所述第一天线连接到所述RF接收器和所述负载之一。

4. 发明授权

US07667665B1 Dual frequency aperture antenna 有权
标题翻译：双频孔径天线
公开(公告)号：US07667665B1
公开(公告)日：2010-02-23
申请号：US11592098
申请日：2006-11-01
申请人： Joseph S. Colburn , Hui-Pin Hsu
发明人： Joseph S. Colburn , Hui-Pin Hsu
IPC分类号： H01Q15/18 , H01Q15/02 , H01Q19/06
CPC分类号： H01Q1/3233 , H01Q13/10 , H01Q15/08 , H01Q15/18 , H01Q19/06
摘要： A dual frequency radar antenna for connection to a first radar transmitter/receiver set which operates in a relatively lower frequency band and to a second radar transmitter/receiver set which operates in a relatively higher frequency band. The dual frequency radar antenna has a spherical dielectric lens having a first array of inputs coupled with the first radar transmitter/receiver set and a second array of inputs coupled with the second radar transmitter/receiver set. The spherical dielectric lens forms relatively higher frequency beams that are relatively tightly spaced about a centerline of the spherical dielectric lens while the spherical dielectric lens also forms relatively lower frequency beams that are relatively farther spaced about a centerline of the spherical dielectric lens than are the relatively higher frequency beams.
摘要翻译：一种双频雷达天线，用于连接到在相对较低频带中操作的第一雷达发射机/接收机组，以及在相对较高频带中操作的第二雷达发射机/接收机组。双频雷达天线具有球面介质透镜，其具有与第一雷达发射机/接收机组相耦合的第一输入阵列和与第二雷达发射机/接收机组耦合的第二输入阵列。球形介质透镜形成相对较高频率的光束，其围绕球形介质透镜的中心线相对紧密地间隔，而球形介质透镜还形成相对较低频率的光束，其相对于球形介电透镜的中心线相对更远地分开，较高频率的波束。

5. 发明申请

US20090021429A1 LOW COST SHORT RANGE RADAR 有权
标题翻译：低成本短距离雷达
公开(公告)号：US20090021429A1
公开(公告)日：2009-01-22
申请号：US12176787
申请日：2008-07-21
申请人： Joseph S. Colburn , Hui-Pin Hsu , Osman D. Altan
发明人： Joseph S. Colburn , Hui-Pin Hsu , Osman D. Altan
IPC分类号： H01Q3/12
CPC分类号： H01Q25/02
摘要： A low cost radar system that employs monopulse beamforming to detect objects in the road-way both in elevation and azimuth. In one non-limiting embodiment, a beamforming receiver architecture includes a first beamforming device and a plurality of antennas coupled to the first beamforming device, and a second beamforming device and a plurality of antennas coupled to the second beamforming device. The first and second beamforming devices are oriented 90° relative to each other so that the receive beams provided by the first beamforming device detect objects in azimuth and the receive beams provided by the second beamforming device detect objects in elevation. A first switch is provided to selectively couple the sum pattern signal from the first and second beamforming devices to one output line, and a second switch is provided to selectively couple the difference pattern signals from the first and second beamforming devices to another output line.
摘要翻译：一种低成本的雷达系统，采用单脉冲波束形成来检测高程和方位角路面物体。在一个非限制性实施例中，波束形成接收机架构包括第一波束成形设备和耦合到第一波束成形设备的多个天线以及耦合到第二波束成形设备的第二波束成形设备和多个天线。第一和第二波束形成装置相对于彼此定向成90°，使得由第一波束形成装置提供的接收波束检测方位角中的物体，并且由第二波束形成装置提供的接收波束检测高程中的物体。提供第一开关以选择性地将来自第一和第二波束形成装置的和图案信号耦合到一个输出线，并且提供第二开关以选择性地将来自第一和第二波束成形装置的差分图案信号耦合到另一个输出线。

6. 发明授权

US06864856B2 Low profile, dual polarized/pattern antenna 失效
标题翻译：低调，双极化/图案天线
公开(公告)号：US06864856B2
公开(公告)日：2005-03-08
申请号：US10459117
申请日：2003-06-10
申请人： Jonathan J. Lynch , Joseph S. Colburn
发明人： Jonathan J. Lynch , Joseph S. Colburn
IPC分类号： H01Q9/27 , H01Q9/36 , H01Q21/24 , H01Q21/28 , H01Q1/36
CPC分类号： H01Q9/36 , H01Q9/27 , H01Q21/24 , H01Q21/28
摘要： A spiral antenna system optimized to transmit and/or receive linearly polarized signals and circularly polarized signals. The antenna system includes a spiral antenna and a circuit for exciting the spiral antenna to transmit or receive linearly polarized and circularly polarized signals simultaneously.
摘要翻译：螺旋天线系统，经过优化以传输和/或接收线偏振信号和圆偏振信号。天线系统包括螺旋天线和用于激励螺旋天线同时发射或接收线性偏振和圆偏振信号的电路。

7. 发明授权

US09407239B2 Wide bandwidth automatic tuning circuit 有权
标题翻译：宽带宽自动调谐电路
公开(公告)号：US09407239B2
公开(公告)日：2016-08-02
申请号：US13472396
申请日：2012-05-15
申请人： Carson R. White , Joseph S. Colburn , Michael W. Yung , Donald A. Hitko
发明人： Carson R. White , Joseph S. Colburn , Michael W. Yung , Donald A. Hitko
IPC分类号： H03H7/40 , H03H11/30
CPC分类号： H03H11/30 , H03H7/40
摘要： An automatic tuning circuit for matching an antenna to a radio receiver. The automatic tuning circuit includes a tunable non-Foster circuit for coupling the receiver and the antenna; and sensing and feedback circuits for sensing the combined capacitance of the tunable non-Foster circuit and the antenna and for tuning the tunable non-Foster circuit to automatically minimize the combined capacitance of the tunable non-Foster circuit and the antenna.
摘要翻译：一种用于将天线与无线电接收机相匹配的自动调谐电路。自动调谐电路包括用于耦合接收器和天线的可调谐非福斯特电路; 以及感测和反馈电路，用于感测可调谐非福斯特电路和天线的组合电容，并用于调谐可调谐非福斯特电路，以自动最小化可调谐非福斯特电路和天线的组合电容。

8. 发明授权

US08982011B1 Conformal antennas for mitigation of structural blockage 有权
标题翻译：用于减轻结构性阻塞的保形天线
公开(公告)号：US08982011B1
公开(公告)日：2015-03-17
申请号：US13243006
申请日：2011-09-23
申请人： Daniel J. Gregoire , Joseph S. Colburn
发明人： Daniel J. Gregoire , Joseph S. Colburn
IPC分类号： H01Q15/02
CPC分类号： H01Q15/006 , H01Q1/28 , H01Q1/528
摘要： A method of and apparatus for mitigating adverse transmission and/or reception effects that an obstruction would otherwise have upon a RF signal to be transmitted or received, the RF signal being available at a feed point and wherein the obstruction is spaced from the feed point in a direction of desired transmission or reception. An artificial impedance surface is disposed adjacent the feed point and the obstruction, and the artificial impedance surface is designed (i) to have a spatially non-varying impedance function in a constant impedance region at least immediately adjacent the feed point and (ii) to have a non-constant impedance function in one or more regions spaced from the feed point and closer to the obstruction.
摘要翻译：一种用于减轻障碍物将要传送或接收RF信号的不利传播和/或接收效应的方法和装置，所述RF信号在馈电点可用，并且其中所述障碍物与所述馈送点间隔开所需传输或接收的方向。人造阻抗表面设置在馈电点和障碍物附近，并且设计人造阻抗表面（i）在至少紧邻馈电点的恒定阻抗区域中具有空间不变阻抗函数，以及（ii）至在与馈电点间隔开并且更靠近障碍物的一个或多个区域中具有非恒定阻抗功能。

9. 发明申请

US20120256709A1 Differential negative impedance converters and inverters with variable or tunable conversion ratios 有权
标题翻译：差分负阻抗变换器和具有可变或可调谐转换比的逆变器
公开(公告)号：US20120256709A1
公开(公告)日：2012-10-11
申请号：US13441730
申请日：2012-04-06
申请人： Donald A. Hitko , Carson R. White , Michael W. Yung , David S. Matthews , Susan L. Morton , Jason W. May , Joseph S. Colburn
发明人： Donald A. Hitko , Carson R. White , Michael W. Yung , David S. Matthews , Susan L. Morton , Jason W. May , Joseph S. Colburn
IPC分类号： H03H11/44
CPC分类号： H03H11/10 , H03F1/56 , H03F2200/369 , H03H11/44 , H03H11/48 , H04B1/0458 , H04B1/18
摘要： A differential circuit topology that produces a tunable floating negative inductance, negative capacitance, negative resistance/conductance, or a combination of the three. These circuits are commonly referred to as “non-Foster circuits.” The disclosed embodiments of the circuits comprises two differential pairs of transistors that are cross-coupled, a load immittance, multiple current sources, two Common-Mode FeedBack (CMFB) networks, at least one tunable (variable) resistance, and two terminals across which the desired immittance is present. The disclosed embodiments of the circuits may be configured as either a Negative Impedance Inverter (NII) or a Negative Impedance Converter (NIC) and as either Open-Circuit-Stable (OCS) and Short-Circuit-Stable (SCS).
摘要翻译：差分电路拓扑产生可调浮动负电感，负电容，负电阻/电导或三者的组合。这些电路通常被称为非福斯特电路。所公开的电路实施例包括交叉耦合的两个差分对晶体管，负载导纳，多个电流源，两个共模反馈（CMFB）网络，至少一个可调谐（可变）电阻和两个终端存在所需的导纳。所公开的电路实施例可以被配置为负阻抗逆变器（NII）或负阻抗转换器（NIC）以及作为开路稳定（OCS）和短路稳定（SCS）。

10. 发明授权

US07929147B1 Method and system for determining an optimized artificial impedance surface 有权
标题翻译：用于确定优化的人造阻抗表面的方法和系统
公开(公告)号：US07929147B1
公开(公告)日：2011-04-19
申请号：US12156445
申请日：2008-05-31
申请人： Bryan H. Fong , Joseph S. Colburn , John Ottusch , Daniel F. Sievenpiper , John L. Visher
发明人： Bryan H. Fong , Joseph S. Colburn , John Ottusch , Daniel F. Sievenpiper , John L. Visher
IPC分类号： G01B11/02 , H01Q15/02 , H01Q15/24
CPC分类号： H01Q15/0046
摘要： A method and system for determining an optimized artificial impedance surface is disclosed. An artificial impedance pattern is calculated on an impedance surface using an optical holographic technique given an assumed surface wave profile and a desired far field radiation pattern. Then, an actual surface wave profile produced on the impedance surface from the artificial impedance pattern, and an actual far field radiation pattern produced by the actual surface wave profile are calculated. An optimized artificial impedance pattern is then calculated by iteratively re-calculating the artificial impedance pattern from the actual surface wave profile and the desired far field radiation pattern. An artificial impedance surface is determined by mapping the optimized artificial impedance pattern onto a representation of a physical surface.
摘要翻译：公开了一种用于确定优化的人造阻抗表面的方法和系统。使用给定假定的表面波轮廓和期望的远场辐射图案的光学全息技术在阻抗表面上计算人造阻抗图案。然后，计算由人造阻抗图形在阻抗表面上产生的实际表面波形，以及由实际表面波形产生的实际远场辐射图。然后通过从实际表面波轮廓和期望的远场辐射图反复重新计算人造阻抗图案来计算优化的人造阻抗图案。通过将优化的人造阻抗图案映射到物理表面的表示上来确定人造阻抗表面。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式