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    • 1. 发明授权
    • Dual polarization antenna with high port isolation
    • 双极化天线,具有高端口隔离
    • US08830131B1
    • 2014-09-09
    • US12707361
    • 2010-02-17
    • Jonathan P. DoaneMark M. MulbrookBrian J. Herting
    • Jonathan P. DoaneMark M. MulbrookBrian J. Herting
    • H01Q1/00
    • H01Q21/24H01P5/222H01Q7/00H01Q9/16H01Q9/44
    • The present invention is an integrated antenna assembly which allows for integration of a first radio system and a second radio system with the integrated antenna assembly. The integrated antenna assembly may include a coupler for providing sufficient isolation between the first radio system (ex.—a vertical polarization system) and the second radio system (ex.—a horizontal polarization system). The integrated antenna assembly may further include a common mode choke connected between a first antenna element and a second antenna element of the integrated antenna assembly. The coupler may produce a common mode based on signals received from the vertical polarization system and may also produce a differential mode based on signals received from the horizontal polarization system. The common mode choke may be configured for: preventing transmission of common mode currents from the first antenna element to the second antenna element; and being transparent to differential mode current flow.
    • 本发明是集成天线组件,其允许将第一无线电系统和第二无线电系统与集成天线组件集成。 集成天线组件可以包括耦合器,用于在第一无线电系统(例如垂直极化系统)和第二无线电系统(例如水平极化系统)之间提供足够的隔离。 集成天线组件还可以包括连接在集成天线组件的第一天线元件和第二天线元件之间的共模扼流圈。 耦合器可以基于从垂直极化系统接收的信号产生共模,并且还可以基于从水平极化系统接收的信号产生差分模式。 共模扼流圈可以被配置为:防止共模电流从第一天线元件传输到第二天线元件; 并且对差模电流是透明的。
    • 3. 发明授权
    • Plasma klystron switch
    • 等离子速调管开关
    • US08575844B1
    • 2013-11-05
    • US13212825
    • 2011-08-18
    • Don L. LandtNathan P. LowerRoger A. DanaMark M. Mulbrook
    • Don L. LandtNathan P. LowerRoger A. DanaMark M. Mulbrook
    • H01J7/24H05B31/26H01J1/62H01J63/04H01J17/49
    • H01J23/34H01J25/10
    • The plasma klystron switching device of the present invention may include a low-dielectric substrate, a plasma cavity internally pressurized by an inert gas, a circuit assembly formed on the first surface of the low-dielectric substrate and enclosed by the plasma cavity, wherein the circuit assembly includes a first electrode and a second electrode configured to form a switching gap, wherein the switching gap is configured to act as a high conductance plasma generation zone during an ON state of the plasma klystron switching device and a low conductance zone during an OFF state of the plasma klystron switching device, an evacuated klystron resonance generator, wherein the klystron resonance generator includes a klystron resonance cavity, wherein the klystron resonance generator includes a coupling aperture configured to RF couple the klystron resonance cavity and the plasma cavity, and a field emitter array configured to energize the klystron resonance generator.
    • 本发明的等离子体速调管切换装置可以包括低电介质基板,由惰性气体内部加压的等离子体腔,形成在低电介质基板的第一表面上并被等离子体空腔包围的电路组件,其中, 电路组件包括第一电极和第二电极,其被配置为形成开关间隙,其中开关间隙被配置为在等离子体速调管开关装置的导通状态期间用作高电导等离子体产生区域,并且在关断期间具有低导电区域 等离子体速调管切换装置的状态,抽空的速调管共振发生器,其中所述速调管共振发生器包括速调管谐振腔,其中所述速调管谐振发生器包括被配置为RF耦合所述速调管谐振腔和等离子体腔的耦合孔,以及场 发射器阵列配置为使速调管谐振发生器通电。
    • 4. 发明授权
    • Method for producing a microfabricated in-plane radio frequency (RF) capacitor
    • 用于制造微制造的面内射频(RF)电容器的方法
    • US08389374B1
    • 2013-03-05
    • US12860259
    • 2010-08-20
    • Nathan P. LowerMark M. MulbrookRobert L. Palandech
    • Nathan P. LowerMark M. MulbrookRobert L. Palandech
    • H01L31/119H01L29/00
    • H01G5/18H01L23/5223H01L28/60H01L2924/0002H01L2924/00
    • The present invention is a method for producing a capacitor. The method includes applying a dielectric substance (ex.—silicon nitride) to a first gold seed layer, the first gold seed layer being formed on a wafer. A second gold seed layer is formed upon the dielectric substance and first gold seed layer. Gold is electroplated into a photoresist to form a first set of 3-D capacitor elements on the second gold seed layer. A first copper layer is electroplated onto the second gold seed layer. Gold is electroplated into a photoresist to form a second set of 3-D capacitor elements, the second set of 3-D elements being formed at least partially within the first copper layer and being connected to the first set of 3-D elements. A second copper layer is electroplated onto the first copper layer. Then, both copper layers are removed to provide (ex.—form) the capacitor.
    • 本发明是制造电容器的方法。 该方法包括将电介质(例如氮化硅)施加到第一金籽晶层上,第一金籽晶层形成在晶片上。 在电介质和第一金籽层上形成第二金籽层。 将金电镀到光致抗蚀剂中以在第二金种子层上形成第一组3-D电容器元件。 将第一铜层电镀到第二金种子层上。 将金电镀到光致抗蚀剂中以形成第二组3-D电容器元件,第二组3-D元件至少部分地形成在第一铜层内并连接到第一组3-D元件。 将第二铜层电镀在第一铜层上。 然后,去除两个铜层以提供(例如)电容器。
    • 5. 发明授权
    • System and method for detecting receivers
    • 用于检测接收机的系统和方法
    • US07639178B1
    • 2009-12-29
    • US11267047
    • 2005-11-04
    • Mark M. MulbrookGary E. LehtolaDonald F. Hovda
    • Mark M. MulbrookGary E. LehtolaDonald F. Hovda
    • G01S7/41
    • G01S7/41F41H11/136G01S7/35G01S13/04G01S13/32G01S13/86G01S13/88
    • The present invention is a system and method for detecting devices with receivers, such as explosive devices with receivers used to remotely detonate the explosive devices. The system for detecting devices may include a transmitter which transmits a signal causing saturation of a device whereby harmonic content is emitted by the device. Receipt of an emitted harmonic signal which is coherent to the transmitted signal may indicate the presence of a device. A distance between the system and the detected device may be determined by modulating a frequency of the transmitted signal and measuring the time period between transmission of the signal and receipt of a harmonic signal. Additionally, direction information may be determined which may allow identification of a location of the device based upon the distance information and direction information.
    • 本发明是用于检测具有接收器的装置的系统和方法,例如具有用于远程引爆爆炸装置的接收器的爆炸装置。 用于检测设备的系统可以包括发射器,其发射引起器件饱和的信号,从而由器件发射谐波含量。 接收与发射信号相干的发射谐波信号可以指示设备的存在。 可以通过调制发送信号的频率并测量信号的发送和接收到谐波信号之间的时间周期来确定系统和检测到的设备之间的距离。 此外,可以确定方向信息,其可以允许基于距离信息和方向信息来识别设备的位置。
    • 6. 发明授权
    • Phase locked loop with low phase noise and fast tune time
    • 具有低相位噪声和快速调谐时间的锁相环
    • US07023249B1
    • 2006-04-04
    • US10893287
    • 2004-07-16
    • Mark M. Mulbrook
    • Mark M. Mulbrook
    • H03L7/06
    • H03L7/1976H03L7/093H03L7/107
    • A phase locked loop with fast tune time and low phase noise contains a fast filter and a slow filter connected to a phase detector. The slow filter filters an error signal with a narrow bandwidth and provides a slow filter tune voltage. An integrator is connected to the slow filter for integrating the slow filter tune voltage and providing a tune voltage to a VCO. The integrator has a capacitor and operational amplifier. The fast filter filters and amplifies the error signal with a wide bandwidth and high gain to provide a fast filter tune voltage. A diode is connected to the fast filter output and to a non-inverting input of the operational amplifier. The diode is forward biased when the fast filter tune voltage is sufficient thereby causing an inverting input of the operational amplifier to change to the same level to rapidly change capacitor charge.
    • 具有快速调谐时间和低相位噪声的锁相环包含连接到相位检测器的快速滤波器和慢速滤波器。 慢速滤波器滤波具有窄带宽的误差信号,并提供缓慢的滤波器调谐电压。 积分器连接到慢速滤波器,用于对慢速滤波器调谐电压进行积分,并向VCO提供调谐电压。 积分器具有电容和运算放大器。 快速滤波器滤波和放大具有宽带宽和高增益的误差信号,以提供快速的滤波器调谐电压。 二极管连接到快速滤波器输出和运算放大器的非反相输入。 当快速滤波器调谐电压足够时,二极管正向偏置,从而导致运算放大器的反相输入变为相同电平,从而快速改变电容器电荷。
    • 9. 发明授权
    • Sampling voltage controlled oscillator
    • 采样压控振荡器
    • US07173497B1
    • 2007-02-06
    • US10982969
    • 2004-11-05
    • Mark M. MulbrookRobert A. Newgard
    • Mark M. MulbrookRobert A. Newgard
    • H03B1/00
    • H03B19/00H03L7/099
    • The present invention is an apparatus for efficiently providing an output frequency signal based upon an input voltage. The sampling voltage controlled oscillator of the present invention may include a voltage controlled oscillator coupled with sample and hold circuitry. The voltage controlled oscillator frequency of the sampling voltage controlled oscillator may be a lower frequency whereby the voltage controlled oscillator frequency is sampled by the sample and hold circuitry to derive a higher frequency signal. Advantageously, the overall power consumption of sampling voltage controlled oscillator may be less than conventional voltage controlled oscillators.
    • 本发明是一种用于基于输入电压有效地提供输出频率信号的装置。 本发明的采样压控振荡器可以包括与采样和保持电路耦合的压控振荡器。 采样压控振荡器的压控振荡器频率可能是较低的频率,由此压控振荡器频率由采样和保持电路采样以导出较高频率信号。 有利地,采样压控振荡器的总功耗可以小于常规的压控振荡器。
    • 10. 发明授权
    • Method and apparatus for automatic center frequency tuning of tunable bandpass filters
    • 可调带通滤波器自动中心频率调谐的方法和装置
    • US07039385B1
    • 2006-05-02
    • US10452887
    • 2003-06-02
    • Theodore J. HoffmannMark M. Mulbrook
    • Theodore J. HoffmannMark M. Mulbrook
    • H04B1/16
    • H04B1/1036
    • A radio has a tunable bandpass filter that is tuned by apparatus within the radio. A reference generator generates a reference signal for use in tuning the tunable bandpass filter. The tunable bandpass filter receives the reference signal and provides a filter output signal. A digital signal processing and control processor is connected to the tunable bandpass filter to receive the filter output signal. The digital signal processing and control processor has a phase comparison function that provides a phase error metric from the filter output signal. The digital signal processing and control processor tunes the tunable bandpass filter to provide a desired phase error metric signal thereby tuning the tunable bandpass filter to the desired center frequency. The digital signal processing and control processor stores tunable filter parameters for the desired center frequency. The tuning process may be repeated for several desired center frequencies of the tunable bandpass filter.
    • 无线电装置具有可调谐带通滤波器,其由无线电装置调谐。 参考发生器产生用于调谐可调谐带通滤波器的参考信号。 可调谐带通滤波器接收参考信号并提供滤波器输出信号。 数字信号处理和控制处理器连接到可调谐带通滤波器以接收滤波器输出信号。 数字信号处理和控制处理器具有从滤波器输出信号提供相位误差度量的相位比较功能。 数字信号处理和控制处理器调谐可调谐带通滤波器以提供期望的相位误差度量信号,从而将可调谐带通滤波器调谐到期望的中心频率。 数字信号处理和控制处理器存储所需中心频率的可调滤波器参数。 对于可调谐带通滤波器的几个期望的中心频率,可以重复调谐过程。