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    • 1. 发明申请
    • COHERENT UPCONVERSION OF LIGHT
    • 光的相干上光
    • WO2018089492A1
    • 2018-05-17
    • PCT/US2017/060638
    • 2017-11-08
    • ELWHA LLC
    • AKSELROD, Gleb M.SMITH, David R.
    • G02F1/35G02F1/01
    • G02F1/353B82Y20/00G02F2/02G02F2203/10
    • Embodiments include an apparatus and method. An apparatus includes a metasurface that coherently upconverts light waves having a first frequency ƒ1. A substrate forms a first plasmonic surface. A plasmonic nanoparticle forms a second plasmonic surface. A layer of a second-order nonlinear dielectric material is disposed between the first plasmonic surface and the second plasmonic surface. The metasurface has at least three plasmonic resonant modes including a first plasmonic resonant mode having a first frequency ƒ1, a second plasmonic resonant mode having a second frequency ƒ2, and a third plasmonic resonant mode having a third frequency ƒ3 that is a sum of the first frequency ƒ1 and the second frequency ƒ2. The apparatus includes a second light propagation path from a source of pumped monochromatic coherent light waves having the second frequency ƒ2 to the metasurface. A digital image capture device captures the generated light waves having the frequency ƒ3.
    • 实施例包括一种装置和方法。 一种设备包括对第一频率f1的光波进行相干上变频的变换表面。 衬底形成第一等离子体表面。 等离子体纳米颗粒形成第二等离子体表面。 一层二阶非线性介电材料设置在第一等离子体激元表面和第二等离子体激元表面之间。 所述变迹面具有至少三个等离子体激元共振模式,所述等离子体共振模式包括具有第一频率f1的第一等离子体激元共振模式,具有第二频率f2的第二等离子体共振模式以及具有第三频率f3的第三等离子体共振模式, 频率f1和第二频率f2。 该装置包括从具有第二频率f2的泵浦单色相干光波源到达变换面的第二光传播路径。 数字图像捕获设备捕获具有频率f3的所生成的光波。
    • 2. 发明申请
    • SYNTHETIC APERTURE RADAR MINERAL PROSPECTOR
    • 合成孔径雷达矿物前驱体
    • WO2016168412A1
    • 2016-10-20
    • PCT/US2016/027457
    • 2016-04-14
    • ELWHA LLC
    • HYDE, Roderick A.KARE, Jordin T.MYHRVOLD, Nathan P.TEGREENE, Clarence T.WHITMER, CharlesWOOD, Lowell L., Jr.
    • G01S13/90
    • G01V3/12G01S7/412G01S13/003G01S13/885G01S13/90
    • A method for detecting underground natural resources using synthetic aperture radar includes providing a ground-penetrating phase-coherent radar system incorporating a moving platform; sending a plurality of radar signals from a plurality of points along a plurality of paths through an underground volume, the plurality of radar signals producing a plurality of radar returns; collecting the plurality of radar returns along the plurality of paths with the ground-penetrating phase-coherent radar system; coherently processing the plurality of radar returns with a processing circuit to determine a characteristic of a sub-surface feature; retrieving information relating to a reference underground volume from a memory; and identifying a potential sub-surface resource by using the processing circuit to compare the characteristic of the sub-surface feature with the information relating to the reference underground volume.
    • 一种使用合成孔径雷达检测地下自然资源的方法包括:提供包含移动平台的地面穿透相位相干雷达系统; 从沿着多个路径的多个点通过地下体积发送多个雷达信号,所述多个雷达信号产生多个雷达返回; 用地面穿透相位相干雷达系统收集沿着多条路径的多个雷达返回; 用处理电路相干地处理多个雷达返回以确定子表面特征的特征; 从存储器检索与参考地下体积相关的信息; 以及通过使用处理电路来识别潜在的子表面资源,以将子表面特征的特征与与参考地下体积相关的信息进行比较。
    • 4. 发明申请
    • ANTENNA SYSTEM FACILITATING REDUCTION OF INTERFERING SIGNALS
    • 天线系统有助于减少干扰信号
    • WO2015108582A2
    • 2015-07-23
    • PCT/US2014/061485
    • 2014-10-21
    • ELWHA LLC
    • HYDE, Roderick A.KARE, Jordin T.WOOD, Lowell L., Jr.
    • H01Q1/52H01Q3/26
    • H01Q15/0053H01Q1/28H01Q3/443H01Q13/20H01Q15/0086
    • Described embodiments include an antenna system and method. The antenna system includes a surface scattering antenna that has an electromagnetic waveguide structure and a plurality of electromagnetic wave scattering elements. The plurality of electromagnetic wave scattering elements are distributed along the waveguide structure, have a respective activatable electromagnetic response to a guided propagating electromagnetic wave, and produce a controllable radiation pattern. A gain definition circuit defines a radiation pattern configured to acquire a possible interfering signal. The defined antenna radiation pattern has a field of view covering at least a portion of an undesired field of view of an associated antenna. An antenna controller establishes the defined radiation pattern in the surface scattering antenna by activating the respective electromagnetic response of selected electromagnetic wave scattering elements. A correction circuit reduces an influence of the received possible interfering signal in a contemporaneously received signal by the associated antenna.
    • 所描述的实施例包括天线系统和方法。 天线系统包括具有电磁波导结构和多个电磁波散射元件的表面散射天线。 多个电磁波散射元件沿着波导结构分布,对引导传播的电磁波具有相应的可激活的电磁响应,并产生可控的辐射图。 增益定义电路定义被配置为获取可能的干扰信号的辐射图。 所定义的天线辐射图具有覆盖相关天线的不期望视场的至少一部分的视场。 天线控制器通过激活所选择的电磁波散射元件的相应的电磁响应来建立表面散射天线中所定义的辐射图。 校正电路通过相关联的天线减少接收的可能的干扰信号在同时接收的信号中的影响。
    • 9. 发明申请
    • LOAD-MANAGED ELECTROCHEMICAL ENERGY GENERATION SYSTEM
    • 负责管理的电化学能源发电系统
    • WO2015017247A1
    • 2015-02-05
    • PCT/US2014/048028
    • 2014-07-24
    • ELWHA LLC
    • HYDE, Roderick A.KARE, Jordin T.WOOD, Lowell L., Jr.
    • H01M10/04H01M10/42H01M10/48
    • H01M10/425H01M6/5005H01M10/0445H01M10/0525H01M10/122H01M10/30H01M10/345H01M10/44H01M10/443H01M10/486
    • Described embodiments include a system and a method. A system includes a controllable electrochemical cell configured to output electric power. The controllable cell includes an electrolyte and a first working electrode configured to transfer electrons to or from the electrolyte. The controllable cell includes a second working electrode configured to transfer electrons to or from the electrolyte. The controllable cell includes a gating electrode spaced-apart from the second working electrode. The gating electrode is configured, if biased relative to the second working electrode, to modify an electric charge, field, or potential in the space between the electrolyte and the second working electrode. The controllable cell includes a control circuit coupled to the gating electrode of the controllable cell and configured to apply a biasing signal responsive to an electrical property of an external electrical load coupled to the controllable cell.
    • 所描述的实施例包括系统和方法。 系统包括被配置为输出电力的可控电化学电池。 可控电池包括电解质和构造成将电子传递到电解质或从电解质转移的第一工作电极。 可控电池包括被配置为将电子传递到电解质或从电解质转移电子的第二工作电极。 可控电池包括与第二工作电极间隔开的栅极电极。 如果相对于第二工作电极偏压,则门电极被配置为修改电解质和第二工作电极之间的空间中的电荷,场或电位。 可控单元包括耦合到可控单元的选通电极的控制电路,并且被配置为响应耦合到可控单元的外部电负载的电特性来施加偏置信号。