公开(公告)号：US20230198157A1

公开(公告)日：2023-06-22

申请号：US18084398

申请日：2022-12-19

Applicant: THALES ,  UNIVERSITE DE BRETAGNE OCCIDENTALE ,  Centre national de la recherche scientifique

Inventor： Jefferson CHAMPION ,  Stéphane MALLEGOL ,  Ismaël PELE ,  Erwan GORON ,  Jessica BENEDICTO ,  Noham Guy, Philippe MARTIN ,  Rozenn ALLANIC ,  Cédric QUENDO

IPC: H01Q13/20 ,  H01Q1/08

CPC classification number: H01Q13/203 ,  H01Q1/087

Abstract: The disclosed antenna includes: a radiating element disposed in a radiating plane transverse to an axis of the antenna; a reflecting plane, which is transverse to the axis, the radiating plane being located at a predetermined height above the reflecting plane; and a substrate, interposed between the radiating plane and the reflecting plane, and having a constant thickness. This antenna is characterized by a local relative electrical permittivity of the substrate that is a function of the radius, i.e. the distance to the axis, and a height, i.e. a distance to the reflecting plane, the local relative electrical permittivity being, at constant height, increasing as a function of the radius, and, at constant radius, increasing as a function of the height at least for a portion of the substrate in the vicinity of the reflecting plane.

公开(公告)号：US20240195074A1

公开(公告)日：2024-06-13

申请号：US18530181

申请日：2023-12-05

Applicant: THALES

Inventor： Stéphane MALLEGOL ,  Nicolas CHEVAL

IPC: H01Q11/10 ,  H01Q13/02

CPC classification number: H01Q11/10 ,  H01Q13/02

Abstract: An antenna system including at least one elementary antenna, a metallic plane provided around the elementary antenna, and a decoupling device arranged on the metallic plane, the decoupling device being of the three-dimensional electromagnetic absorption structure type constituted of a plurality of cells arranged in an array, each cell includes, stacked according to a direction normal to the metal plane, a base surmounted by a raised wall, the antenna system being characterized in that the raised wall is shaped so as to form a recessed pattern for trapping electromagnetic waves.

公开(公告)号：US20230352844A1

公开(公告)日：2023-11-02

申请号：US18303961

申请日：2023-04-20

Applicant: THALES

Inventor： Stéphane MALLEGOL ,  Yoann HENAFF

IPC: H01Q13/02 ,  H01Q1/48 ,  H01Q1/52 ,  H01Q1/42

CPC classification number: H01Q13/02 ,  H01Q1/48 ,  H01Q1/52 ,  H01Q1/42

Abstract: A horn antenna including a ground plane delimiting an upper half-space, a horn forming one end of a waveguide, the horn crossing through the ground plane so that a mouth of the horn is arranged at a predetermined height above the ground plane in the upper half-space. The antenna is characterized in that it includes at least one resistive film arranged around the horn, parallel to an upper face of the ground plane, the resistive film having an electrical resistance suitable for limiting creeping waves.

公开(公告)号：US20240243483A1

公开(公告)日：2024-07-18

申请号：US18406127

申请日：2024-01-06

Applicant: THALES

Inventor： Stéphane MALLEGOL ,  Christian RENARD

IPC: H01Q15/08 ,  H01Q1/42

CPC classification number: H01Q15/08 ,  H01Q1/42

Abstract: An antenna system includes an antenna and a passive device for angular deflection of a main radiation lobe of the antenna, characterized in that the device consists of a lens, said lens having a constant thickness and having a progressive relative permittivity between an inner edge of the lens located on the side of the geometric center of the antenna and an outer edge of the lens located on the side of a periphery of the antenna, the profile of the relative permittivity as a function of distance to the geometrical center of the antenna being adapted such that the lens deflects the main radiation lobe of the antenna by a predefined deflection angle over at least a portion of an operating frequency band of the antenna.

公开(公告)号：US20210126374A1

公开(公告)日：2021-04-29

申请号：US17050970

申请日：2019-05-03

Applicant: THALES

Inventor： Stéphane MALLEGOL ,  Pierre BELEC ,  Yoann HENAFF

IPC: H01Q9/27 ,  H01Q1/38 ,  H01Q11/10 ,  H01Q15/14 ,  H01Q17/00

Abstract: The invention relates to a wire antenna suitable for operating in at least one frequency band, including a plurality of stacked layers, including at least one radiating element placed on a support layer, said support layer being placed on a spacing substrate placed on a reflective plane, characterised in that it includes at least one resistive grille having a resistive surface with predetermined resistance, including at least one set of repetitive, non-contiguous empty patterns, said grille being placed between the spacing substrate and the reflective plane.

公开(公告)号：US20200044356A1

公开(公告)日：2020-02-06

申请号：US16308775

申请日：2017-06-09

Applicant: THALES

Inventor： Stéphane MALLEGOL ,  Michel JOUSSET ,  Pierre BELEC

IPC: H01Q17/00 ,  H01Q11/10 ,  H01Q9/27

Abstract: The invention relates to a wire antenna adapted to operate in at least one predetermined frequency band, comprising a plurality of superimposed layers, comprising at least one radiating element placed on a support layer, wherein the support layer is placed on a spacer substrate, and wherein the spacer substrate is placed on a reflector plane comprising at least one resistive layer between the support layer of the radiating element(s) and the substrate spacer, while the resistive layer comprises at least two sets of nested resistive patterns. This antenna is such that the sets of resistive patterns have resistance values gradually varying between a central antenna point and an outer edge of the antenna, in order to achieve a resistance gradient.