# US 11,444,384 B2 · Multiple-port radiating element > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,444,384 B2 - Document ID: US11444384B2 - Status: Granted - Kind: B2 - Application number: 16/700,897 - Filed: 2019-12-02 - Published: 2020-06-04 - Granted: 2022-09-13 - Earliest claimed: 2018-12-03 - Assignees: Thales - Applicants: Thales - Inventors: Jean-Philippe Fraysse; Charalampos Stoumpos; Hervé Legay; Ségolène Tubau - Web page: https://patentgrep.com/patent/US11444384B2 ## CPC - H01Q 13/025: {Multimode horn antennas; Horns using higher mode of propagation (H01Q13/0241 takes precedence; multiple beam H01Q25/04)} - H01P 1/16: for mode selection, e.g. mode suppression or mode promotion; for mode conversion - H01Q 13/0225: {of non-circular cross-section (H01Q13/0216 takes precedence)} - H01Q 21/0006: {Particular feeding systems} - H01Q 21/064: {using horn or slot aerials (slotted waveguides arrays H01Q21/005)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) ## Abstract A radiating element includes at least two feeding guides and one horn common to at least two feeding guides and having an excitation interface, each feeding guide comprising a port guide and an excitation guide connected to the port guide by a port interface and connected to the common horn by the excitation interface, each excitation guide being flared in the direction from the port interface to the excitation interface, each excitation guide not having an axis of symmetry, the two feeding guides being disposed symmetrically relative to one another. ## Claims ### Claim 1 A radiating element comprising at least two feeding guides distinct from one another, and one horn common to at least two feeding guides, and having an excitation interface, each feeding guide consisting of a port guide and an excitation guide connected to the port guide by a port interface and connected to the common horn by the excitation interface, each excitation guide being flared in the direction from the port interface to the excitation interface, each excitation guide not having an axis of symmetry, the two feeding guides being identical and disposed symmetrically relative to one another relative to a plane of symmetry of the radiating element. ### Claim 2 (depends on 1) The radiating element according to claim 1, wherein the flaring profile of each excitation guide is configured so as to control, in amplitude and in phase, the propagation modes of a radiating wave propagated from each port guide to the output of the horn, so that the electrical field obtained at the output of the horn is substantially uniform. ### Claim 3 (depends on 1) The radiating element according to claim 1, wherein the flaring profile of each excitation guide is configured so as to favour the propagation of a fundamental propagation mode and of a second order higher propagation mode in the excitation guide. ### Claim 4 (depends on 1) The radiating element according to claim 1, wherein the flaring profile of each excitation guide is configured so as to favour the propagation, in the horn, of several odd order propagation modes, from the fundamental propagation mode and from the second order higher propagation mode propagated in each excitation guide. ### Claim 5 (depends on 3) The radiating element according to claim 3, wherein the flaring profile of each excitation guide is configured so as to control the amplitude and the phase of each propagation mode propagated in the horn so that the electrical field resulting from the combination of all of the propagation modes propagated in the horn is uniform at the output of the horn. ### Claim 6 (depends on 1) The radiating element according to claim 1, comprising at least four feeding guides, the horn being common to four feeding guides, the four feeding guides being disposed symmetrically to one another relative to two orthogonal planes of symmetry. ### Claim 7 (depends on 1) The radiating element according to claim 1, wherein each feeding guide is configured so that the longitudinal axis of a port guide is off-centre relative to the centre of the aperture of the excitation guide connected to the excitation interface. ### Claim 8 (depends on 1) The radiating element according to claim 1, further comprising a power splitter for exciting the port guides in phase. ### Claim 9 (depends on 1) The radiating element according to claim 1, wherein a transverse section of the excitation guide is of square, rectangular or circular form. ### Claim 10 (depends on 1) The radiating element according to claim 1, wherein the radiating element offers operation in single-polarization or bi-polarization mode. ### Claim 11 (depends on 1) The radiating element according to claim 1, wherein each excitation guide exhibits a continuous or discontinuous flaring profile. ### Claim 12 (depends on 1) The radiating element according to claim 1, wherein the common horn is axisymmetrical. ### Claim 13 (depends on 1) The radiating element according to claim 1, wherein each excitation guide exhibits a flared profile on a first plane and an unchanging profile on a second plane orthogonal to the first plane. ### Claim 14 (depends on 1) A radiating device comprising at least four radiating elements according to claim 1 and a secondary horn common to the four radiating elements and connected via an input interface to the apertures of the respective horns of each radiating element. ### Claim 15 (depends on 1) An antenna comprising a plurality of radiating elements according to claim 1. ### Claim 16 (depends on 14) An antenna comprising a plurality of radiating devices according to claim 14.