公开(公告)号：US20240170826A1

公开(公告)日：2024-05-23

申请号：US17991460

申请日：2022-11-21

申请人： Raytheon Company

发明人： David D. Crouch ,  David R. Sar

IPC分类号： H01P5/12 ,  H01P1/16 ,  H01P3/06

CPC分类号： H01P5/12 ,  H01P1/16 ,  H01P3/06

摘要： An axially-fed RF power combiner combines a plurality of input signals to generate a single fundamental-mode transverse electromagnetic (TEM) output. The combiner comprises a vacuum coaxial transmission line having a plurality of coaxial vacuum feedthroughs configured to receive the input signals. The feedthroughs are arranged axially around the vacuum coaxial transmission line. An increasing gap is provided between the inner conductive surface and the outer conductive surface of the vacuum coaxial transmission line to gradually transition the input signals from each coaxial vacuum feedthrough to quasi-TEM mode signals within the vacuum envelope of the vacuum coaxial transmission line. In some conductive-ridge embodiments, the inner conductive surface of the vacuum coaxial transmission line may comprise a cylindrical conductive base and a plurality of radially-aligned conductive ridges azimuthally distributed within a vacuum envelope of the vacuum coaxial transmission line. In some ridge-less embodiments, the inner conductive surface includes a tapered region within the vacuum envelope to provide an increasing gap between the inner conductive surface and the outer conductive surface.

公开(公告)号：US11936117B2

公开(公告)日：2024-03-19

申请号：US17436181

申请日：2019-03-04

申请人： SAAB AB

发明人： Ola Forslund

IPC分类号： H01Q25/04 ,  H01P1/16 ,  H01P1/213 ,  H01Q13/02 ,  H01Q15/22

CPC分类号： H01Q25/04 ,  H01P1/16 ,  H01P1/2131 ,  H01Q13/025 ,  H01Q15/22

摘要： Provided is a dual-band multimode antenna feed for a high-frequency band and a low-frequency band. The feed includes four high-frequency waveguide ports, where each high-frequency waveguide port is connected to a respective high-frequency input/output waveguide. Each high-frequency input/output waveguide includes a high-frequency waveguide aperture facing a first section for mixing electromagnetic modes in the E-plane. The first section is connected to a second section for mixing electromagnetic modes in the H-plane. The feed further includes a low-frequency waveguide port connected to a low-frequency input/output waveguide. A filter is arranged inside the first section to be transparent for plane wave modes exhibited at lower frequencies and reflecting for plane wave modes exhibited at higher frequencies.

公开(公告)号：US11631927B2

公开(公告)日：2023-04-18

申请号：US16458004

申请日：2019-06-29

申请人： Amber Precision Instruments, Inc.

发明人： Hamed Kajbaf

IPC分类号： H01P3/12 ,  H01P1/16 ,  H01P5/08 ,  H01P11/00

摘要： Various aspects directed towards an integrated transverse electromagnetic (TEM) transmission line structure for probe calibration are disclosed. In one example, the integrated TEM transmission line structure includes a printed circuit board (PCB) and an air-dielectric coplanar waveguide (CPW). For this example, the air-dielectric CPW includes an air trace in a cutout slot of the PCB. In another example, a method is disclosed, which includes forming an air-dielectric CPW on a PCB in which the air-dielectric CPW includes an air trace in a cutout slot of the PCB. In a further example, an integrated TEM transmission line structure includes an air-dielectric CPW with an air trace. For this example, a first connector is electrically coupled to a first end of the air-dielectric CPW, and a second connector is electrically coupled to a second end of the air-dielectric CPW.

公开(公告)号：US11029206B2

公开(公告)日：2021-06-08

申请号：US16670976

申请日：2019-10-31

申请人： Applied Materials, Inc.

发明人： Jinxin Fu ,  Rutger Meyer Timmerman Thijssen ,  Ludovic Godet

IPC分类号： G01J3/28 ,  G06F3/03 ,  G02B6/12 ,  G01J3/18 ,  H01P1/16 ,  G06T19/00

摘要： Embodiments described herein relate to apparatus for measuring and characterizing performance of augmented and virtual reality waveguide structures utilizing glass substrates. The waveguide performance measuring systems generally include a light source configured to direct light towards an incoupling grating area on waveguide and one or more light detectors configured to collect light from an outcoupling grating area on a second side of the waveguide. The light source and one or more light detectors are disposed on one or more adjustable stages positioned about the waveguide. In certain embodiments, the one or more adjustable stages are configured to move in a linear fashion or revolve and/or rotate around the waveguide in an orbital motion.

公开(公告)号：US10916863B2

公开(公告)日：2021-02-09

申请号：US16107384

申请日：2018-08-21

申请人： AT&T Intellectual Property I, L.P.

发明人： Paul Shala Henry ,  William Scott Taylor ,  Robert Bennett ,  Farhad Barzegar ,  Irwin Gerszberg ,  Donald J. Barnickel ,  Thomas M. Willis, III

IPC分类号： H01Q3/00 ,  H01Q21/29 ,  H01P3/16 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q13/24 ,  H04B3/52 ,  H01Q9/04 ,  H01Q15/08 ,  H01P1/16 ,  H01P3/10 ,  H01Q1/46 ,  H04R3/00

摘要： Aspects of the subject disclosure may include, for example, an antenna system that includes a selector and a dielectric antenna array. The selector is coupled to a number of dielectric cores and selectively launches electromagnetic waves on a selected dielectric core of the dielectric cores. The selected dielectric core corresponds to one of the dielectric cores, and the electromagnetic waves propagate along the selected dielectric core without requiring an electrical return path. The dielectric antenna array is coupled to the dielectric cores and includes a number of dielectric antennas, wherein a dielectric antenna of the dielectric antennas transmits, in response to the electromagnetic waves received from the selected dielectric core, a controllable beam. Other embodiments are disclosed.

公开(公告)号：US10833380B2

公开(公告)日：2020-11-10

申请号：US16293444

申请日：2019-03-05

申请人： Elwha LLC

发明人： Tom Driscoll ,  John Desmond Hunt ,  Nathan Ingle Landy ,  David R. Smith ,  Yaroslav A. Urzhumov

IPC分类号： H01P1/16 ,  G02B6/28 ,  G02B5/32 ,  G02B27/28 ,  G02B1/00 ,  H01Q15/02 ,  H01Q19/06 ,  G03H1/00 ,  G03H1/08 ,  G02B6/00 ,  H01P5/02 ,  H01P5/19 ,  H01P5/20 ,  H01P5/22 ,  H01Q1/42 ,  H01Q13/02 ,  H01Q13/06

摘要： The present disclosure provides systems and methods associated with mode conversion for electromagnetic field modification. A mode converting structure (holographic metamaterial) is formed with a distribution of dielectric constants chosen to convert an electromagnetic radiation pattern from a first mode to a second mode to attain a target electromagnetic radiation pattern that is different from the input electromagnetic radiation pattern. A solution to a holographic equation provides a sufficiently accurate approximation of a distribution of dielectric constants that can be used to form a mode converting device for use with one or more transmission lines, such as waveguides. One or more optimization algorithms can be used to improve the efficiency of the mode conversion.

公开(公告)号：US10784670B2

公开(公告)日：2020-09-22

申请号：US14807303

申请日：2015-07-23

申请人： AT&T INTELLECTUAL PROPERTY I, LP

发明人： Robert Bennett ,  Paul Shala Henry ,  Irwin Gerszberg ,  Farhad Barzegar ,  Donald J Barnickel ,  Thomas M. Willis, III

IPC分类号： H02G7/20 ,  H01Q1/18 ,  H01Q1/12 ,  H04B3/54 ,  H01Q1/46 ,  H01P3/16 ,  H01P1/16 ,  H01P5/08 ,  H04B3/56 ,  H04B3/52 ,  H01P3/10

摘要： Aspects of the subject disclosure may include, for example, an antenna support includes a stabilizer configured to align an antenna on a projection of a longitudinal tangent of a transmission line along a horizontal plane. A holder is configured to secure the stabilizer to the transmission line. Other embodiments are disclosed.

公开(公告)号：US10742243B2

公开(公告)日：2020-08-11

申请号：US16443467

申请日：2019-06-17

申请人： AT&T Intellectual Property I, L.P.

发明人： Paul Shala Henry ,  Donald J. Barnickel ,  Farhad Barzegar ,  Robert Bennett ,  Irwin Gerszberg ,  Thomas M. Willis, III

IPC分类号： H04B1/04 ,  H04B1/16 ,  H04B3/52 ,  H01Q19/06 ,  H01P3/16 ,  H01Q13/24 ,  H01Q13/02 ,  H01Q1/24 ,  H01P1/16 ,  H04R3/00

摘要： Aspects of the subject disclosure may include, for example, receiving, by a feed point of a dielectric antenna, electromagnetic waves from a dielectric core coupled to the feed point without an electrical return path, where at least a portion of the dielectric antenna comprises a conductive surface, directing, by the feed point, the electromagnetic waves to a proximal portion of the dielectric antenna, and radiating, via an aperture of the dielectric antenna, a wireless signal responsive to the electromagnetic waves being received at the aperture. Other embodiments are disclosed.

公开(公告)号：US10686496B2

公开(公告)日：2020-06-16

申请号：US16382843

申请日：2019-04-12

申请人： AT&T Intellectual Property I, L.P.

发明人： Aldo Adriazola ,  Mitchell Harvey Fuchs ,  Paul Shala Henry ,  Donald J. Barnickel ,  Farhad Barzegar ,  Robert Bennett ,  Irwin Gerszberg ,  Thomas M. Willis, III

IPC分类号： H01P3/16 ,  H04B5/00 ,  H01Q13/24 ,  H01Q19/06 ,  H04B3/52 ,  H01P3/10 ,  H01Q19/09 ,  H01P1/16 ,  H04B3/00 ,  H04B3/54

摘要： Aspects of the subject disclosure may include, for example, an antenna structure that includes a dielectric antenna comprising a dielectric feedline having a feed point, and a collar that facilitates aligning a port of a waveguide system to the feed point of the dielectric feedline for facilitating transmission or reception of electromagnetic waves exchanged between the port and the feed point of the dielectric feedline, the electromagnetic waves guided by the dielectric feedline without an electrical return path. Other embodiments are disclosed.

公开(公告)号：US10382072B2

公开(公告)日：2019-08-13

申请号：US15892049

申请日：2018-02-08

申请人： AT&T Intellectual Property I, L.P.

发明人： Paul Shala Henry ,  Donald J. Barnickel ,  Farhad Barzegar ,  Robert Bennett ,  Irwin Gerszberg ,  Thomas M. Willis, III

IPC分类号： H04B1/04 ,  H04B1/16 ,  H01P3/16 ,  H01Q13/24 ,  H01Q19/06 ,  H01Q13/02 ,  H04B3/52 ,  H01Q1/24 ,  H01P1/16 ,  H04R3/00

摘要： Aspects of the subject disclosure may include, for example, receiving, by a feed point of a dielectric antenna, electromagnetic waves from a dielectric core coupled to the feed point without an electrical return path, where at least a portion of the dielectric antenna comprises a conductive surface, directing, by the feed point, the electromagnetic waves to a proximal portion of the dielectric antenna, and radiating, via an aperture of the dielectric antenna, a wireless signal responsive to the electromagnetic waves being received at the aperture. Other embodiments are disclosed.