-
公开(公告)号：US20250030166A1
公开(公告)日：2025-01-23
申请号：US18222658
申请日：2023-07-17
Inventor： Jean L. Kubwimana , Alexander D. Johnson , Arturs E. Dinbergs , Jacob Tamasy , James F. Fung
Abstract: A method of manufacturing an antenna assembly includes additively manufacturing an element that is monolithic and that includes (i) a ground plane, (ii) a patch above the ground plane, and (iii) a structure having a lower end in contact with the ground plane and an upper end in contact with the patch. The method further includes applying a dielectric material between the ground plane and the patch. In an example, the dielectric material is dielectric foam. The method further includes removing a section of the ground plane around the lower end of the structure, such that the structure extends through the ground plane and not in contact with the ground plane. The method further includes connecting an inner conductor of a coaxial cable connector to the lower end of the structure, and an outer portion of the coaxial cable connector to the ground plane.
-
Patent Agency Ranking
公开(公告)号：US20250023245A1
公开(公告)日：2025-01-16
申请号：US18352638
申请日：2023-07-14
Inventor： James F. Fung , Alexander D. Johnson , Jean L. Kubwimana , Jacob Tamasy
IPC: H01Q9/04
Abstract: An antenna assembly includes a ground plane including conductive material, and a dielectric material above the ground plane. A patch antenna is on the dielectric material. In an example, a plurality of features extends from an upper surface or a lower surface of the dielectric material and within the dielectric material, wherein the plurality of features comprises voids filled with gas or are vacuum. Additionally, or alternatively, the dielectric material is doped with a dopant. In an example, the antenna assembly further includes a first aperture and a second aperture on the ground plane and below the patch antenna, and another dielectric material below the first and second apertures. In some such cases, a first feed line is below the first aperture, and a second feed line is below the second aperture.
-
13.发明公开公开(公告)号：US20240283154A1
公开(公告)日：2024-08-22
申请号：US18170847
申请日：2023-02-17
Inventor： Alexander D. Johnson , James F. Fung , Randall R. Lapierre
Abstract: An antenna assembly includes a balanced antenna feed configured to receive a differential signal and a ground plane. The assembly further includes a first conductive dipole arm in planar alignment with a surface of the ground plane and a second conductive dipole arm in planar alignment with the surface of the ground plane and adjacent to the first conductive dipole arm. The assembly further includes a first feedline in electrical communication with the first conductive dipole arm and the balanced antenna feed and a second feedline in electrical communication with the second conductive dipole arm and the balanced antenna feed. The assembly further includes a conductive wall (“H-wall”) in electrical communication with the ground plane and having an end adjacent to, and physically separate from, the second conductive dipole arm. The H-wall has an axial length orthogonal to the ground plane.
-
公开(公告)号：US11969788B1
公开(公告)日：2024-04-30
申请号：US18101447
申请日：2023-01-25
Inventor： Jean L. Kubwimana , Alexander D. Johnson , Jacob Tamasy , James F. Fung , Matthew J. Ney
CPC classification number: B22F10/40 , B22F10/60 , B33Y10/00 , B33Y40/20 , B33Y80/00 , H01Q1/48 , H01Q9/0407
Abstract: A method of manufacturing an antenna assembly includes additively manufacturing an element that is a monolithic structure and that includes (i) a ground plane including one or more aperture slots, (ii) a patch antenna above the ground plane, and (iii) a sacrificial support feature to support the patch antenna above the ground plane. The method further includes applying a dielectric material between the ground plane and the patch antenna. In an example, applying the dielectric material between the ground plane and the patch antenna includes providing a dielectric foam between the ground plane and the patch antenna, where the dielectric foam at least in part supports the patch antenna above the ground plane. The method further includes removing at least a section of the sacrificial support feature, such that any remnant of the support feature does not physically couple the ground plane to the patch antenna.
-
公开(公告)号：US20220271438A1
公开(公告)日：2022-08-25
申请号：US17184985
申请日：2021-02-25
Inventor： Matilda Livadaru , Mark Fosberry , James F. Fung , Alexander D. Johnson , Randall R. Lapierre , Daniel G. Morin
Abstract: A tightly coupled dipole array is an egg-crate configuration defined by a plurality of electrically connected antenna unit cells. At least one of the unit cells utilizes a short or conductive element that shorts the common mode resonance. Shorting the common mode resonance in an intentional manner removes instances of the common mode resonance. To achieve the shorting of the common mode resonance, a conductive element is connected with one of the dipole arms and connected to the outer conductor of the feed or a ground plane. This creates a grounding loop that pushes the resonance out of the band of interest.
-
公开(公告)号：US10784590B2
公开(公告)日：2020-09-22
申请号：US16029222
申请日：2018-07-06
Inventor： Andrew C. Maccabe , James F. Fung , Randall R. Lapierre , Benjamin G. McMahon
Abstract: An array antenna has a plurality of antenna unit cells arranged in rows and columns, or in another configuration. Each unit cell from the plurality of unit cells includes a circularly polarized radiator and a balun. The array antenna further includes a reactive element or a circuit element (such as a capacitor or resistor or even an inductor) on the circularly polarized radiator that is coupled an adjacent unit cell in one of the row and the column. A spacing distance between adjacent unit cells coupled via the circuit element that is at most half of a wavelength at a frequency maximum of the array antenna, wherein the spacing distance reduces likelihood of grating lobes.
-
-
-
-
-
Search Results
16
records
(took 0.021 seconds)
