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公开(公告)号：US20240332768A1
公开(公告)日：2024-10-03
申请号：US18743528
申请日：2024-06-14
申请人： SWISSto12 SA
CPC分类号： H01P1/165 , H01Q3/26 , H01Q13/28 , H01Q15/244
摘要： Radio-frequency component including several waveguide devices, for example antennas or polarizers, arranged in an array for transmitting and/or receiving electromagnetic signals. The radio-frequency component includes several ridges and each waveguide device includes: at least one inner wall; an upstream opening in the direction of propagation of the signals during emission; and a downstream opening in the direction of propagation of the emitting signals, linked to the upstream opening so that the emitting signals are transmitted from the upstream opening to the downstream opening. The arrangement of the ridges in the openings upstream of the radiofrequency component may be different from the arrangement of the ridges in the openings downstream of the radio-frequency component. The arrangement of ridges in the downstream openings of each waveguide device includes no more and no less than three ridges.
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公开(公告)号：US12034210B2
公开(公告)日：2024-07-09
申请号：US17423264
申请日：2019-02-01
摘要： An antenna device (1) and an antenna stack (20) comprising at least two antenna devices are disclosed. The antenna device comprises a leaky wave antenna structure comprising a waveguide structure (2) extending in a first plane along a first axis (101), wherein the waveguide structure comprises two opposite end portions (3) along the first axis, and a first feed point and a second feed point arranged at opposite end portions of the waveguide structure. The antenna device further comprises a dispersive lens structure (6) having an edge extending along the waveguide structure in the first plane, the dispersive lens structure having an extension along a second axis (102) extending in the first plane in a second direction perpendicular to the first axis. The waveguide structure further comprises a plurality of discontinuities along an interface between the waveguide structure and the dispersive lens structure for leaking electromagnetic energy into dispersive lens structure.
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公开(公告)号：US11557841B2
公开(公告)日：2023-01-17
申请号：US16738608
申请日：2020-01-09
申请人： VEGA Grieshaber KG
发明人： Klaus Kienzle , Steffen Waelde
摘要： Described are a dielectric conductor arrangement, a method for producing the conductor arrangement, a level radar and a use of the conductor arrangement. The conductor arrangement has a dielectric conductor core made of a solid. Furthermore, the conductor arrangement has a coating 30 which, at least in sections, surrounds the entire circumference of the conductor core without a gap and which consists of a thin conductive layer.
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公开(公告)号：US11545757B2
公开(公告)日：2023-01-03
申请号：US16720640
申请日：2019-12-19
申请人： Nima Bayat-Makou , Ke Wu , Ahmed Abdelwahed Kishk
发明人： Nima Bayat-Makou , Ke Wu , Ahmed Abdelwahed Kishk
摘要： A single-layer substrate integrated directive broadside beam leaky-wave antenna is provided. Opposite ends of a leaky-wave structure are fed with anti-phase versions of a common signal, resulting in broadside frequencies being set apart from the open stopband. To achieve this, the common signal can be split into two equal length paths, one including a perfect electrical conductor (PEC) reflector and the other including a perfect magnetic conductor (PMC) reflector. Alternatively, the common signal can be split into two paths which differ in length by a half wavelength. A power splitter and feed horns can be used in the respective paths. The leaky-wave structure may have transverse slots which increase in width toward a midpoint of the structure. The antenna can be formed in a single planar portion of a lithographic structure, for example by patterning an upper conductive layer thereof.
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公开(公告)号：US20220140497A1
公开(公告)日：2022-05-05
申请号：US17089464
申请日：2020-11-04
发明人： Gerardo Orozco Valdes , Dong Chen
摘要： Methods, apparatuses, and systems for verifying alignment of a compact antenna test range (CATR) are presented. A radio frequency (RF) profile may be generated based on test signals received by a reference antenna at a plurality of orientations. Phase and amplitude data of the RF profile may be used to determine whether the CATR is aligned properly.
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公开(公告)号：US11095009B2
公开(公告)日：2021-08-17
申请号：US16870609
申请日：2020-05-08
申请人： VIASAT, INC.
发明人： Anders Jensen , John D. Voss , Donald L. Runyon
摘要： In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section. The conductive septum and the dielectric portion convert a signal between a polarized state in the first common waveguide and a first polarization component in the second waveguide and a second polarization component in the third waveguide.
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公开(公告)号：US11005148B2
公开(公告)日：2021-05-11
申请号：US16382502
申请日：2019-04-12
发明人： Pengju Zhang , Mingxing Liu , Hong Zhu
摘要： A liquid crystal phase shifter and a fabrication method thereof, a liquid crystal antenna and an electronic device are provided. The liquid crystal phase shifter includes a first substrate, a first substrate and a liquid crystal layer. The first substrate includes a first surface and a first electrode provided on the first surface, the second substrate includes a second surface and a second electrode provided on the second surface, the liquid crystal layer is provided between the first electrode of the first substrate and the second electrode of the second substrate, and the first substrate and the second substrate constitute a tubular structure in which the first substrate and the second substrate are stacked with one of the first substrate and the second substrate being inside the other of the first substrate and the second substrate.
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公开(公告)号：US20200225558A1
公开(公告)日：2020-07-16
申请号：US16626635
申请日：2018-06-26
摘要： A method of forming an emitting array of waveguides, comprising providing a plurality of waveguides that exhibit different propagation constants so as to ensure that nearby waveguides do not couple evenly over parallel propagation lengths by varying a length in one or more dimensions of respective waveguides, whereby the respective waveguides are phasemismatched with at least their nearest neighbor.
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公开(公告)号：US10651564B2
公开(公告)日：2020-05-12
申请号：US16241194
申请日：2019-01-07
发明人： Paul Shala Henry , Robert Bennett , Irwin Gerszberg , Farhad Barzegar , Donald J. Barnickel , Thomas M. Willis, III
摘要： Aspects of the subject disclosure may include, for example, a waveguide including a plurality of devices that facilitate generating scattered electromagnetic waves from electromagnetic waves propagating on a surface of a transmission medium. The scattered electromagnetic waves combine to generate a wireless signal having a directionality based on a separation between plurality of devices and a wavelength of the electromagnetic waves. Other embodiments are disclosed.
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公开(公告)号：US10601125B2
公开(公告)日：2020-03-24
申请号：US15327295
申请日：2015-07-23
发明人： Morris Cohen
摘要： Various methods, apparatus, devices and systems are provided for electrically short antennas for efficient broadband transmission. In one example, among others, a system includes a segmentally time-variant antenna and a segment controller that can control conductivity of individual segments of the segmentally time-variant antenna. The conductivity of the individual segments is modulated to allow a pulse to propagate from the proximal end to the distal end of the segmentally time-variant antenna and impede a reflection of the pulse from propagating back to the proximal end of the segmentally time-variant antenna. In another embodiment, a method includes injecting a pulse at a first end of a segmentally time-variant antenna and modulating conductivity of individual segments to allow the pulse to propagate to a second end of the segmentally time-variant antenna and impede a reflection of the pulse from propagating back to the first end.
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