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91. 发明授权

US4897664A Image plate/short backfire antenna 失效
标题翻译：图像板/短反火天线
公开(公告)号：US4897664A
公开(公告)日：1990-01-30
申请号：US201972
申请日：1988-06-03
申请人： Henry T. Killackey , Julia N. Martin
发明人： Henry T. Killackey , Julia N. Martin
IPC分类号： H01Q15/00 , H01Q19/185
CPC分类号： H01Q19/185 , H01Q1/28 , H01Q15/0006
摘要： The described embodiments of the present invention provide a high-gain antenna while allowing for the inclusion of devices within the antenna array. In one embodiment of the invention an array of receiver/transmitter elements is positioned in a pan-like reflector base. The elements are positioned one-quarter of a wavelength from the surface of the base. The wavelength is the wavelength of the chosen frequency of transmission or reception of the antenna. A partially reflective plate is positioned one-half wavelength from the base and thus one quarter wavelength from the elements. Reflective disks are also positioned one-half wavelength above the base and are positioned directly above the elements. The disks create a resonant cavity around the elements for waves of the chosen frequency arriving from near normal to the plane of the base or being emanated from the elements at a normal or near-normal angle. The partially reflective plate extends this resonant area spatially from the element. Because of the extending effect, wider dispersion between array elements may be utilized, wider dispersion between array elements may be utilized while maintaining good gain and side-lobe characteristics. In another embodiment the wider spatial characteristics allow the use of an irregular array. This array allows space for electro-optical devices in the array itself. Another embodiment includes an optically transparent portion of the base. This transparent portion is treated so the surface of it is conductive and thus electromagnetically reflective. The transparent portion allows for optical transmission to sensors located beneath the transparent portion.
摘要翻译：本发明的所描述的实施例提供高增益天线，同时允许在天线阵列内包含设备。在本发明的一个实施例中，接收器/发射器元件的阵列被定位在盘状反射器基座中。这些元件位于距离基座表面四分之一波长的位置。波长是所选择的天线发射或接收频率的波长。部分反射板位于基部的两分之一波长处，因此距离元件四分之一波长。反射盘也位于基底上方的两分之一波长处并且直接位于元件上方。磁盘在围绕元件的谐振腔周围产生用于所选频率的波的谐振腔，该谐振腔从基底的平面附近到达，或者以正常或接近正常的角度从元件发出。部分反射板从元件空间上延伸该谐振区域。由于扩展效应，可以利用阵列元件之间更宽的分散，可以利用阵列元件之间的更宽的分散，同时保持良好的增益和旁瓣特性。在另一个实施例中，较宽的空间特征允许使用不规则阵列。该阵列允许阵列本身中的电光器件的空间。另一个实施例包括基底的光学透明部分。该透明部分被处理，使得其表面是导电的，因此是电磁反射的。透明部分允许对位于透明部分下方的传感器进行光传输。

92. 发明授权

US3990078A Image element antenna array for a monopulse tracking system for a missile 失效
标题翻译：用于导弹的单脉冲跟踪系统的图像元件天线阵列
公开(公告)号：US3990078A
公开(公告)日：1976-11-02
申请号：US538619
申请日：1975-01-06
申请人： Ernest C. Bellee , Robert C. Breithaupt , Donald L. Godwin , Scott H. Walker
发明人： Ernest C. Bellee , Robert C. Breithaupt , Donald L. Godwin , Scott H. Walker
IPC分类号： H01Q19/185 , H01Q25/02 , H01Q13/10 , H01Q15/00
CPC分类号： H01Q25/02 , H01Q19/185
摘要： An image element antenna array comprised of slot radiating elements is used for the antenna system for a monopulse tracking system. The image element antenna includes the radiating source disposed between two parallel reflecting planes, one of which is a total reflector and the other a partially reflecting and partially transmitting reflector. The employment of a partially reflecting plane allows for minimizing the number of radiating elements comprising a given antenna array while providing substantially the same gain and pattern activity. The antenna system may be mounted in a missile or the like for transmitting and receiving monopulse energy for steering the missile. The reduced number of radiating elements required reduces the feed network complexity and number with an attended increase in aperture efficiency.
摘要翻译：包括狭缝辐射元件的图像元件天线阵列用于单脉冲跟踪系统的天线系统。图像元件天线包括设置在两个平行反射面之间的辐射源，其中一个是全反射器，另一个是部分反射和部分透射的反射器。使用部分反射平面允许最小化包括给定天线阵列的辐射元件的数量，同时提供基本相同的增益和图案活动。天线系统可以安装在导弹等中，用于发射和接收用于导向导弹的单脉冲能量。减少的辐射元件数量减少了馈线网络的复杂性和数量，随着孔径效率的提高。

93. 发明授权

US3858221A Limited scan antenna array 失效
标题翻译：有限公司天线阵列
公开(公告)号：US3858221A
公开(公告)日：1974-12-31
申请号：US35041273
申请日：1973-04-12
申请人： HARRIS INTERTYPE CORP
发明人： HARRISON J , LEHMAN D , PHELAN H
IPC分类号： H01Q3/26 , H01Q19/185 , H01Q1/48 , H01Q21/12
CPC分类号： H01Q19/185 , H01Q3/26
摘要： An electronically steerable antenna array comprising phased element antennas has essentially uniform gain for small scan angles. An idealized shape of element pattern in the array environment is closely approached by controlling the complex mutual coupling among the element antennas for pattern shaping. The resulting element-in-array pattern has a nearly flat top, steep sides, and also has low sidelobes in the angular regions where grating lobes of the array factor can appear upon steering. Consequently, the antenna array has high and almost constant gain over a limited range of steering angles in all directions from the principal mechanical axis of the planar array, and has low sidelobes and low grating lobes.
摘要翻译：包括相控元件天线的电子导向天线阵列对于小的扫描角度具有基本均匀的增益。通过控制元件天线之间的复杂相互耦合来进行图案整形，在阵列环境中的元件图案的理想化形状被紧密地接近。所得到的阵列阵列图案具有接近平坦的顶部，陡峭的侧面，并且在角区域中也具有低旁瓣，其中阵列因子的栅瓣在转向时可能出现。因此，天线阵列在平面阵列的主要机械轴线的所有方向上的转向角的有限范围内具有高且几乎恒定的增益，并且具有低旁瓣和低光栅瓣。

94. 发明授权

US2998605A Antenna system 失效
公开(公告)号：US2998605A
公开(公告)日：1961-08-29
申请号：US67069757
申请日：1957-07-09
申请人： HAZELTINE RESEARCH INC
发明人： ORLANDO RONALD A
IPC分类号： H01Q19/185
CPC分类号： H01Q19/185

95. 发明授权

US11374331B1 Base station antenna including Fabrey-Perot cavities 有权
公开(公告)号：US11374331B1
公开(公告)日：2022-06-28
申请号：US17621599
申请日：2020-06-29
申请人： CommScope Technologies LLC
发明人： Changfu Chen
IPC分类号： H01Q21/06 , H01Q1/24 , H01Q19/185
摘要： A base station antenna comprises two arrays of radiating elements each configured to emit electromagnetic radiation; two backplanes each configured to reflect respective electromagnetic radiation outwardly, wherein the two backplanes are positioned with a mechanical tilt relative to each other such that the respective electromagnetic radiation are directed in different directions in the azimuth plane; and two plate assemblies each configured to reflect a first portion of received electromagnetic radiation inwardly while allowing a second portion to pass outwardly through the respective plate assembly, where the two plate assemblies are positioned to form two Fabry-Perot cavities with the two backplanes, respectively.

96. 发明申请

US20210194142A1 COMPACT RESONANT CAVITY ANTENNA 有权
公开(公告)号：US20210194142A1
公开(公告)日：2021-06-24
申请号：US17124836
申请日：2020-12-17
申请人： Commissariat a l'Energie Atomique et aux Energies Alternatives
发明人： Loïc MARNAT , Antonio CLEMENTE
IPC分类号： H01Q13/18 , H01Q15/08 , H01Q19/185
摘要： Reconfigurable antenna, comprising: an emissive region, comprising at least one radiating source designed to emit electromagnetic waves; an electromagnetic lens, comprising: a set of phase-shifting cells, comprising switches configured so as to introduce a phase shift to the electromagnetic waves, bias lines, designed to bias the switches; an electromagnetic coupling region, arranged between the emissive region and the electromagnetic lens in order to generate electromagnetic coupling between the electromagnetic waves and the set of phase-shifting cells; the electromagnetic coupling region comprises a set of electrically conductive elements, arranged so to form a contour of a resonant cavity guiding the electromagnetic waves towards the electromagnetic lens, the set of electrically conductive elements comprising first tracks electrically connected to the bias lines.

97. 发明授权

US11038286B2 Antenna array 有权
公开(公告)号：US11038286B2
公开(公告)日：2021-06-15
申请号：US16211655
申请日：2018-12-06
申请人： GALTRONICS USA, INC.
发明人： Sadegh Farzaneh , Minya Gavrilovic , Des Bromley , Farid Jolani
IPC分类号： H01Q1/24 , H01Q1/52 , H01Q19/185 , H01Q21/00 , H01Q21/06 , H01Q5/30 , H01Q21/26 , H01Q21/08 , H01Q21/28
摘要： An antenna array is provided which may include, but is not limited to, a first plurality of reflectors having a face, a first edge and a second edge, wherein the first edge of each of the first plurality of reflectors is coupled to the second edge of another of the first plurality of reflectors, a first plurality of antenna elements arranged on the face of at least one of the first plurality of reflectors, a second plurality of antenna elements arranged at a corner of at least two of the first plurality of reflectors, a second plurality of reflectors, the second plurality of reflectors mounted to an end of the first plurality of reflectors, and a third plurality of antenna elements arranged on a face of at least one of the second plurality of reflectors.

98. 发明授权

US10938119B2 Wireless communication device and antenna device 有权
公开(公告)号：US10938119B2
公开(公告)日：2021-03-02
申请号：US16096007
申请日：2017-04-24
申请人： THE UNIVERSITY OF ELECTRO-COMMUNICATIONS
发明人： Akira Saito , Kazuhiko Honjo , Ryo Ishikawa , Hiroto Otsuka
IPC分类号： H01Q19/17 , H01Q21/00 , H01Q21/06 , H01Q7/00 , H04B7/04 , H01Q1/52 , H01Q19/185 , H01Q25/00
摘要： A wireless communication apparatus includes a transmitting antenna; and a receiving antenna that receives a wireless signal transmitted from the transmitting antenna. Each of the transmitting antenna and the receiving antenna includes a plurality of circular loop antennas arranged concentrically in an identical plane, each of the plurality of circular loop antennas having a loop perimeter approximately equal to an integer multiple of one wavelength determined from a frequency in a wireless communication; and a plurality of feeding sections individually connected with the plurality of circular loop antennas. A central axis of the plurality of circular loop antennas of the transmitting antenna and a central axis of the plurality of circular loop antennas of the receiving antenna are arranged approximately on a straight line. Thus, a wireless signal is transmitted between the circular loop antennas having a loop perimeter of a transmitting side and a receiving side.

99. 发明授权

US10854989B2 Electromagnetic signal focusing structures 有权
公开(公告)号：US10854989B2
公开(公告)日：2020-12-01
申请号：US16531394
申请日：2019-08-05
申请人： Keyssa Systems, Inc.
发明人： Dennis F. Rosenauer , Giriraj Mantrawadi
IPC分类号： H01Q15/16 , H01Q19/185 , H01Q9/26 , H01Q1/22 , H01Q1/48
摘要： Embodiments discussed herein refer to systems and structures for focusing dispersal of electromagnetic signals. Focusing of the electromagnetic signals is achieved by a reflective lens that is constructed from several extremely high frequency focusing layers. Each focusing layer can include an extremely high frequency focusing window that, collectively, define the geometry of a cavity backed reflective lens and its ability to focus electromagnetic signal dispersion.

100. 发明授权

US10523247B2 Network hardware devices organized in a wireless mesh network for content distribution to client devices having no internet connectivity 有权
公开(公告)号：US10523247B2
公开(公告)日：2019-12-31
申请号：US15154327
申请日：2016-05-13
申请人： AMAZON TECHNOLOGIES, INC.
发明人： Varadarajan Gopalakrishnan , Andrew David Price , In Chul Hyun , Jin Dong Kim , Subram Narasimhan
IPC分类号： H04L29/08 , H04B1/00 , H04M1/02 , H01Q5/30 , H01Q1/24 , H01Q1/50 , H01Q21/29 , H04W40/02 , H04W84/22 , H01Q19/10 , H01Q19/185 , H01Q21/20 , H01Q21/24 , H01Q21/28 , H04W84/12 , H04W84/18
摘要： Wireless mesh network (WMN) architectures of network hardware devices organized in a mesh topology in which the network hardware devices cooperate in distribution of content files to client consumption devices in an environment of limited connectivity to broadband Internet infrastructure is described. A self-contained, fully connected WMN can be used for localized delivery of content files. One WMN includes a single ingress node for ingress of content files into the wireless mesh network. The WMN also includes multiple network hardware devices wirelessly connected through a network backbone formed by multiple P2P wireless connections. A first network hardware device is wirelessly connected to a client consumption device by a first node-to-client (N2C) wireless connection and a second network hardware device is wirelessly connected to the single ingress node.

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