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    • 1. 发明授权
    • Reflectarray
    • 反射镜
    • US07868829B1
    • 2011-01-11
    • US12053127
    • 2008-03-21
    • Joseph S. ColburnDaniel F. SievenpiperSarabjit Mehta
    • Joseph S. ColburnDaniel F. SievenpiperSarabjit Mehta
    • H01Q1/38H01Q9/00
    • H01Q3/46
    • A reflectarray is disclosed. The reflectarray includes a first array of conductive patches supported by a substrate, wherein each conductive patch in the first array has a first center line along a Y-direction and a second centerline along an X-direction, a plurality of first variable capacitors, wherein each first variable capacitor is electrically coupled to one of the conductive patches in the first array along the first centerline, and a plurality of second variable capacitors, wherein each second variable capacitor is electrically coupled to one of the conductive patches in the first array along the second centerline.
    • 披露了反射镜。 反射阵列包括由衬底支撑的第一阵列的导电贴片,其中第一阵列中的每个导电贴片具有沿Y方向的第一中心线和沿X方向的第二中心线,多个第一可变电容器,其中 每个第一可变电容器沿着第一中心线电耦合到第一阵列中的导电贴片中的一个,以及多个第二可变电容器,其中每个第二可变电容器沿着第一可变电容器电耦合到第一阵列中的导电贴片之一 第二个中心线。
    • 3. 发明授权
    • High frequency quasi optical power source capable of solid state implementation
    • 具有固态实现的高频准光功率源
    • US07403076B1
    • 2008-07-22
    • US11347330
    • 2006-02-03
    • Jonathan J. LynchDaniel F. SievenpiperJoseph S. Colburn
    • Jonathan J. LynchDaniel F. SievenpiperJoseph S. Colburn
    • H03B9/01H01S3/00
    • H03B5/1841H03B7/04
    • In one embodiment, a high frequency quasi optical oscillator power source is provided which includes an array of amplifier devices each having an input antenna tuned for a fundamental frequency. A amplifier coupled to the input antenna amplifies fundamental frequency signals. A multiplier coupled to the amplifier provides signals at a multiple of the fundamental frequency and at the fundamental frequency. The output antenna coupled to the multiplier is tuned at the fundamental frequency and at a multiple of the fundamental frequency. A grating lobe-to-main lobe converter located above the array of amplifier devices converts grating lobe power to main lobe power at the multiple of the fundamental frequency. A frequency selective reflector opposes the amplifier array to reflect signals at the fundamental frequency and to pass signals at the multiple of the fundamental frequency.
    • 在一个实施例中,提供了一种高频准光振荡器电源,其包括每个具有针对基频调谐的输入天线的放大器装置的阵列。 耦合到输入天线的放大器放大基频信号。 耦合到放大器的乘法器以基频和基频的倍数提供信号。 耦合到乘法器的输出天线被调谐在基频和基频的倍数。 位于放大器装置阵列上方的光栅波瓣至主瓣转换器以基波频率的倍数将光栅波瓣功率转换为主波瓣功率。 频率选择反射器与放大器阵列相对,以反射基频处的信号并以基频倍数传递信号。
    • 5. 发明授权
    • Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components
    • 设计人造表面阻抗结构的方法,其特征在于具有复杂分量的阻抗张量
    • US07911407B1
    • 2011-03-22
    • US12138083
    • 2008-06-12
    • Bryan Ho Lim FongJoseph S. ColburnPaul R. HerzJohn J. OttuschDaniel F. SievenpiperJohn L. Visher
    • Bryan Ho Lim FongJoseph S. ColburnPaul R. HerzJohn J. OttuschDaniel F. SievenpiperJohn L. Visher
    • H01Q15/02H01Q1/38
    • H01Q15/148H01Q15/0046
    • A method for designing artificial impedance surfaces is disclosed. The method involves matching impedance component values required for a given far-field radiation pattern (determined, for example, by holographic means) with measured or simulated impedance component values for the units of a lattice of conductive structures used to create an artificial impedance surface, where the units of the lattice have varied geometry. For example, a unit could be a square conductive structure with a slice (removed or missing material) through it. The measured or simulated impedance components are determined by measuring wavevector values for test surfaces in three or more directions over any number of test surfaces, where each unit of a given test surface has the same geometric shape and proportions as all of the other units of that test surface, but each test surface has some form of variation in the unit geometry from the other test surfaces. These test measurements create a table of geometry vs. impedance components that are used to design the artificial impedance structure. Since polarization can be controlled, the structure can be an artificial impedance surface characterized by a tensor impedance having complex components.
    • 公开了一种用于设计人造阻抗表面的方法。 该方法包括将给定远场辐射图(例如通过全息装置确定)所需的阻抗分量值与用于产生人造阻抗表面的导电结构的晶格单元的测量或模拟阻抗分量值进行匹配, 其中格子的单位具有不同的几何形状。 例如,单元可以是具有切片(去除或缺失材料)的正方形导电结构。 测量或模拟的阻抗分量通过在任意数量的测试表面上测量三个或更多个方向上的测试表面的波矢值来确定,其中给定测试表面的每个单元具有与该测试表面的所有其它单元相同的几何形状和比例 测试表面,但每个测试表面在其他测试表面的单位几何形状中具有某种形式的变化。 这些测试测量创建了用于设计人造阻抗结构的几何对抗阻抗元件表。 由于可以控制极化,所以该结构可以是以具有复杂分量的张量阻抗为特征的人造阻抗表面。
    • 7. 发明授权
    • Standing wave amplifiers and oscillators
    • 驻波放大器和振荡器
    • US07242518B1
    • 2007-07-10
    • US11378750
    • 2006-03-17
    • Jonathan J. LynchDaniel F. SievenpiperJoseph S. Colburn
    • Jonathan J. LynchDaniel F. SievenpiperJoseph S. Colburn
    • H01S3/00H03F3/60
    • H03F3/607H01Q3/46H01Q21/0018H03F3/604H03F3/72H03F2200/543
    • An apparatus and method for building three-dimensional spatial power combiners for efficiently combining power from a large number of active devices are being disclosed. The apparatus discloses a plurality of grid amplifiers, each having a major surface, the plurality of grid amplifiers are arranged along an axis that is perpendicular to the major surface of each grid amplifier and spatially separated from each other by a selected resonant distance to generate a standing wave between adjacent grid amplifiers. The method discloses selecting a plurality of grid amplifiers each having a major surface, arranging the plurality of grid amplifiers along an axis that is perpendicular to the major surface of each grid amplifier, selecting a resonance distance, and spatially separating said plurality of grid amplifiers by the resonant distance to generate a standing wave between adjacent grid amplifiers.
    • 正在公开一种用于构建用于有效地组合来自大量有源器件的功率的三维空间功率组合器的装置和方法。 该装置公开了多个栅格放大器,每个栅极放大器各自具有主表面,多个栅极放大器沿着垂直于每个栅极放大器的主表面的轴布置,并且在空间上彼此间隔开选定的谐振距离,以产生 相邻电网放大器之间的驻波。 该方法公开了选择多个具有主表面的电网放大器,沿着垂直于每个电网放大器的主表面的轴布置多个电网放大器,选择谐振距离,并且通过以下方式将所述多个电网放大器空间分开: 在相邻电网放大器之间产生驻波的谐振距离。
    • 9. 发明授权
    • Dual band, low profile omnidirectional antenna
    • 双频,低调全向天线
    • US07042403B2
    • 2006-05-09
    • US10764014
    • 2004-01-23
    • Joseph S. ColburnDaniel F. Sievenpiper
    • Joseph S. ColburnDaniel F. Sievenpiper
    • H01Q1/24H01Q1/48
    • H01Q9/0442H01Q1/243H01Q5/357H01Q9/0421
    • A low-profile dual-band antenna includes a ground plane. An “E”-shaped metal plate is located a first distance from the ground plane and includes first and second outer extensions and an inner extension of the metal plate. A feed tab connects the inner extension and the ground plane. A shorting tab connects the inner extension and the ground plane. The low-profile dual-band antenna communicates first radio frequency (RF) signals in a first RF band and second RF signals in a second RF band. The first RF signals and the second RF signals are vertical polarized signals. The low-profile dual-band antenna produces a radiation pattern that is omnidirectional in the azimuth plane and vertically polarized in a horizontal plane when communicating the first RF signals and the second RF signals. The first RF band and the second RF band can be independently tuned.
    • 低调的双频天线包括接地层。 “E”形金属板距接地平面第一距离,并包括第一和第二外延伸部分以及金属板的内延伸部分。 进料片连接内延伸部分和接地平面。 短路接头连接内部延伸部和接地平面。 低调双频天线在第一RF频带中传送第一射频(RF)信号,并在第二RF频带中传送第二RF信号。 第一RF信号和第二RF信号是垂直极化信号。 低通双频天线在通信第一RF信号和第二RF信号时产生在方位平面中全向辐射并在水平面垂直极化的辐射图。 第一RF频带和第二RF频带可以独立调谐。