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21. 发明授权

US10777879B2 Optimal permeable antenna flux channels for conformal applications 有权
公开(公告)号：US10777879B2
公开(公告)日：2020-09-15
申请号：US16044324
申请日：2018-07-24
申请人： Rodolfo E. Diaz , Tara Yousefi
发明人： Rodolfo E. Diaz , Tara Yousefi
IPC分类号： H01Q1/36 , H01Q1/48
摘要： Permeable antennas are presented. In embodiments, a permeable antenna may include a flux channel comprising a permeable material inside a trough in a conducting ground plane, the trough having a depth d and a width b; and a capacitive shunt admittance provided at the mouth of the trough. In embodiments, the capacitive shunt admittance may be one of: a slitted conducting plane or a single feed parallel solenoid, fed by a transmission line at a center loop. In embodiments, the conducting material may be anisotropic, and may include a ferromagnetic laminate comprising alternating thin metal films with thin insulating dielectrics. Related methods of providing permeable antennas are also presented.

22. 发明授权

US10714834B2 Broadband quad-ridge horn antennas 有权
公开(公告)号：US10714834B2
公开(公告)日：2020-07-14
申请号：US15849120
申请日：2017-12-20
申请人： Rodolfo E. Diaz , Mahkamehossadat Mostafavi
发明人： Rodolfo E. Diaz , Mahkamehossadat Mostafavi
IPC分类号： H01Q13/02 , H01Q5/28 , H01Q25/04 , H01Q19/08
摘要： Broadband antennas are described that include a quad-ridge horn inside which two different lenses are inserted creating a broadband horn-lens combination. One of these lenses is a cross-polyrod lens, formed from a pair of polyrods disposed in a crossed arrangement, each polyrod shaped in a predetermined manner. The other one of these lenses is a prolate spheroidal lens. The broadband antennas can produce, at the output thereof, Gaussian-like beams in both principal polarizations from VHF to 20 GHz. As such, the broadband antennas can be used to perform material measurements in a compact admittance tunnel. Simulation results show that directivity of quad-ridge horns can be improved using the combination of lenses of the broadband antennas. Therefore, the broadband antennas can also be of interest for far-field radiation applications.

23. 发明授权

US08847840B1 Pseudo-conductor antennas 有权
标题翻译：伪导体天线
公开(公告)号：US08847840B1
公开(公告)日：2014-09-30
申请号：US13407694
申请日：2012-02-28
申请人： Rodolfo E. Diaz
发明人： Rodolfo E. Diaz
IPC分类号： H01Q9/16
CPC分类号： H01Q1/364 , H01Q1/38 , H01Q7/00 , H01Q9/16
摘要： Techniques, devices and systems use pseudo-conductor materials as antennas to receive or radiate electromagnetic energy for communications and other applications. Methods of configuring an antenna can include, in some implementations, selecting a pseudo-conductor material having an electromagnetic constitutive property, wherein the electromagnetic constitutive property comprises a real part of the electromagnetic constitutive property that is greater than a corresponding imaginary part of the electromagnetic constitutive property; and forming the pseudo-conductor material into an antenna shape configured, upon being excited, to radiate emissions that satisfy a predefined antenna performance, such that the pseudo-conductor material formed in the antenna shape weakly guides an electromagnetic wave on the pseudo-conductor material using a leaky mode that is below cutoff to establish a field structure to radiate the emissions from the pseudo-conductor material that satisfy the antenna performance.
摘要翻译：技术，设备和系统使用伪导体材料作为天线来接收或辐射用于通信和其他应用的电磁能。在一些实施方式中，配置天线的方法可以包括选择具有电磁本构特性的伪导体材料，其中电磁本构特性包括电磁本构特性的实部，其大于电磁本构的对应虚部属性; 并且将伪导体材料形成为被配置为在被激发时辐射满足预定天线性能的发射的天线形状，使得形成在天线形状中的伪导体材料弱地引导伪导体材料上的电磁波使用低于截止值的泄漏模式建立场结构以辐射来自满足天线性能的伪导体材料的发射。

24. 发明申请

US20100315302A1 ELECTROMAGNETIC REACTIVE EDGE TREATMENT 有权
标题翻译：电磁反应边缘处理
公开(公告)号：US20100315302A1
公开(公告)日：2010-12-16
申请号：US12818771
申请日：2010-06-18
申请人： Rodolfo E. Diaz , William E. McKinzie, III
发明人： Rodolfo E. Diaz , William E. McKinzie, III
IPC分类号： H01Q7/00
CPC分类号： H01Q7/00 , H01Q15/0053 , H01Q15/0086
摘要： An electromagnetic reactive edge treatment including an array of capacitively-loaded loops is disposed at or near an edge of a conductive wedge. The axes of the loops are oriented parallel to the edge of the wedge. This edge treatment may enhance or suppress the hard diffraction coefficient, depending on the resonant frequency fo of the array of loaded loops. Diffraction of incident waves that are lower (higher) in frequency than fo may be enhanced (suppressed) due to the increase (decrease) in effective permeability of the volume occupied by the array of loops. Applications include controlling antenna patterns, side lobe levels, and backlobe levels for antennas mounted on conductive surfaces near edges or corners.
摘要翻译：包括电容负载环阵列的电磁反应边缘处理设置在导电楔的边缘处或附近。环的轴线平行于楔形件的边缘定向。这种边缘处理可以根据加载环阵列的共振频率fo来增强或抑制硬衍射系数。由于循环阵列占有的体积的有效磁导率的增加（减少），可以增强（抑制）频率比fo更低（更高）的入射波的衍射。应用包括安装在靠近边缘或拐角处的导电表面上的天线的天线方向图，旁瓣电平和背景电平。

25. 发明授权

US07411565B2 Artificial magnetic conductor surfaces loaded with ferrite-based artificial magnetic materials 失效
标题翻译：装有铁素体人造磁性材料的人造磁性导体表面
公开(公告)号：US07411565B2
公开(公告)日：2008-08-12
申请号：US10868382
申请日：2004-06-15
申请人： William E. McKinzie, III , Rodolfo E. Diaz , Victor C. Sanchez , Eric Caswell
发明人： William E. McKinzie, III , Rodolfo E. Diaz , Victor C. Sanchez , Eric Caswell
IPC分类号： H01Q1/38
CPC分类号： H01Q15/008 , H01F10/06 , H01F10/205
摘要： A magnetically-loaded artificial magnetic conductor surface provides enhanced bandwidth. The structure includes in one embodiment a thumbtack structure with a spacer layer that is loaded with a barium-cobalt hexaferrite based artificial magnetic material. Specifically, the geometry consists of a ground plane covered with thinly sliced ferrite tiles that are metallized and stacked. Each tile has a metal via running through its center that is electrically connected to the plated metallized surfaces. A foam spacer layer resides above the ferrite tiles. Atop the foam spacer layer rests a capacitive surface, which can be realized as a single layer array of metal patches, a multiple layer array of overlapping patches or other planar capacitive geometry.
摘要翻译：磁性负载人造磁导体表面提供增强的带宽。该结构在一个实施例中包括具有间隔层的图钉结构，其间装载有基于钴酸钴的六铁基的人造磁性材料。具体来说，几何形状由覆盖有薄金属化和堆叠的薄片状铁素体砖的接地层组成。每个瓦片具有穿过其中心的金属通孔，其电连接到镀覆的金属化表面。泡沫隔离层位于铁氧体砖的上方。在泡沫间隔层顶部放置电容表面，其可以实现为金属贴片的单层阵列，重叠贴片的多层阵列或其他平面电容几何形状。

26. 发明授权

US07071889B2 Low frequency enhanced frequency selective surface technology and applications 有权
标题翻译：低频增强型频率选择性表面技术及应用
公开(公告)号：US07071889B2
公开(公告)日：2006-07-04
申请号：US10214420
申请日：2002-08-06
申请人： William E. McKinzie, III , Gregory S. Mendolia , Rodolfo E. Diaz
发明人： William E. McKinzie, III , Gregory S. Mendolia , Rodolfo E. Diaz
IPC分类号： H01Q19/00 , H01Q15/02
CPC分类号： H01Q15/0013 , H01Q5/357 , H01Q9/0421
摘要： DC inductive FSS technology is a printed slow wave structure usable for reduced size resonators in antenna and filter applications of wireless applications. It is a dispersive surface defined in terms of its parallel LC equivalent circuit that enhances the inductance and capacitance of the equivalent circuit to obtain a pole frequency as low as 300 MHz. The effective sheet impedance model has a resonant pole whose free-space wavelength can be greater than 10 times the FSS period. A conductor-backed DCL FSS can create a DC inductive artificial magnetic conductor (DCL AMC), high-impedance surface with resonant frequencies as low as 2 GHz. Lorentz poles introduced into the DCL FSS create multi-resonant DCL AMCs. Antennas fabricated from DCL FSS materials include single-band elements such as a bent-wire monopole on the DCL AMC and multi-band (dual and triple) shorted patches, similar to PIFAs with the patch/lid being a DCL FSS.
摘要翻译：直流感应FSS技术是一种印刷慢波结构，可用于无线应用的天线和滤波器应用中的减小尺寸的谐振器。它是根据其并联LC等效电路定义的分散表面，其增强等效电路的电感和电容，以获得低至300MHz的极点频率。有效的薄片阻抗模型具有谐振极，其自由空间波长可以大于FSS周期的10倍。导体支持的DCL FSS可以创建直流感应人造磁导体（DCL AMC），高阻抗表面，谐振频率低至2 GHz。引入DCL FSS的洛伦兹电极产生多谐振DCL AMC。由DCL FSS材料制成的天线包括单带元件，例如DCL AMC上的弯曲单极子和多频带（双和三）短路贴片，类似于PIFA，贴片/盖子是DCL FSS。

27. 发明授权

US06512494B1 Multi-resonant, high-impedance electromagnetic surfaces 失效
公开(公告)号：US06512494B1
公开(公告)日：2003-01-28
申请号：US09678128
申请日：2000-10-04
申请人： Rodolfo E. Diaz , William E. McKinzie, III
发明人： Rodolfo E. Diaz , William E. McKinzie, III
IPC分类号： H01Q1502
CPC分类号： H01Q9/0442 , H01Q7/00 , H01Q15/008
摘要： An artificial magnetic conductor is resonant at multiple resonance frequencies. The artificial magnetic conductor is characterized by an effective media model which includes a first layer and a second layer. Each layer has a layer tensor permittivity and a layer tensor permeability having non-zero elements on the main tensor diagonal only.

28. 发明授权

US06200102B1 Method and apparatus for an electromagnetic propulsion system 有权
标题翻译：电磁推进系统的方法和装置
公开(公告)号：US06200102B1
公开(公告)日：2001-03-13
申请号：US09260312
申请日：1999-03-02
申请人： Rodolfo E. Diaz
发明人： Rodolfo E. Diaz
IPC分类号： H02K4400
CPC分类号： H02K44/02 , B63H11/025 , B63H2021/173 , H01F38/08 , Y02T70/5263
摘要： A method and apparatus to amplify the magnetic field in an electromagnetic circuit is provided. Amplification factors of several orders of magnitude may be obtained. The system is applicable to a number of different systems, including melt levitation and electromagnetic pumping and propulsion. One embodiment of the invention uses a non-conducting permeable core wound around a dielectric core. An alternating voltage source is connected to a solenoid which is wound around a section of the permeable core. The permeable core has a gap within which a flux concentrating cold crucible is provided. Melt levitation processing takes place within the cold crucible.
摘要翻译：提供了一种用于放大电磁电路中的磁场的方法和装置。可以获得几个数量级的放大因子。该系统适用于许多不同的系统，包括熔体悬浮和电磁泵送和推进。本发明的一个实施例使用缠绕在电介质芯上的非导电可渗透芯。交流电压源连接到螺线管，螺线管缠绕在可渗透芯的一部分上。可渗透芯具有间隙，在该间隙内设置助熔剂浓缩坩埚。熔体悬浮加工在冷坩埚内进行。

29. 发明授权

US08686918B1 Multi-function magnetic pseudo-conductor antennas 有权
标题翻译：多功能磁性伪导体天线
公开(公告)号：US08686918B1
公开(公告)日：2014-04-01
申请号：US13409084
申请日：2012-02-29
申请人： Rodolfo E. Diaz
发明人： Rodolfo E. Diaz
IPC分类号： H01Q21/00
CPC分类号： H01Q1/364 , H01Q9/0485
摘要： An antenna includes a first antenna element comprising a pseudo-conductor material and forming a substantially closed polygonal loop around a center. The first antenna element conforms to a ground plane. The antenna also includes a plurality of transmission lines in the ground plane. Each transmission line comprises a conductor material, is extending radially outward from a feed end towards an outer end, is electromagnetically coupled to the first antenna element at a crossover point at which the transmission line crosses over the first antenna element, and is coupled, at the center, to a corresponding feed line. The antenna further includes a feed circuit for exciting the plurality of transmission lines to cause the antenna to emit in a predetermined direction and using a predetermined polarization mode.
摘要翻译：天线包括第一天线元件，其包括伪导体材料并围绕中心形成基本封闭的多边形环。第一天线元件符合接地平面。天线还包括在接地平面中的多条传输线。每个传输线包括从进料端向外端径向向外延伸的导体材料，在传输线穿过第一天线元件的交叉点处电磁耦合到第一天线元件，并且耦合在中心，到相应的馈线。天线还包括用于激励多条传输线以使天线沿预定方向发射并使用预定偏振模式的馈电电路。

30. 发明授权

US07132640B2 Wave interrogated near field array system and method for detection of subwavelength scale anomalies 失效
标题翻译：波浪询问近场阵列系统和亚波长尺度异常检测方法
公开(公告)号：US07132640B2
公开(公告)日：2006-11-07
申请号：US10505831
申请日：2003-03-05
申请人： Rodolfo E. Diaz , Michael Watts
发明人： Rodolfo E. Diaz , Michael Watts
IPC分类号： H01J3/14
CPC分类号： G01N21/9501 , G01N21/47 , G01N21/94
摘要： An array of antenna elements (20) can be used to detect subwavelength sized anomalies on a surface below the array. An array (20) is illuminated at optical frequencies by a coherent optical energy source (26). The change in reactance and radiated power of the antenna elements that results from the proximity of the anomaly to the near field of the antenna element's open-circuited is detected and holographically filtered to eliminate the radiation caused by the antenna array itself. Image processing is performed on the detected scattered radiation (100) to determine whether an anomaly is present and to locate the anomaly and its characteristics.
摘要翻译：可以使用天线元件阵列（20）来检测阵列下方的表面上的亚波长大小的异常。阵列（20）通过相干光能量源（26）以光学频率被照射。检测并全息地滤波由天线元件的开路接近的异常到近场产生的天线元件的电抗和辐射功率的变化，以消除天线阵列本身引起的辐射。对检测到的散射辐射（100）进行图像处理，以确定是否存在异常并定位异常及其特征。

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