63 patents
Page 3 of 4
Utility
Dielectric resonator antenna system
31 Aug 21
An electromagnetic device includes: a ground structure; a dielectric resonator antenna (DRA) disposed on the ground structure; an electromagnetic (EM) beam shaper disposed proximate the DRA; and, a signal feed electromagnetically coupled to the DRA.
Kristi Pance, Gianni Taraschi, Ingmar Cees Johannes van der Linden, Karl E. Sprentall
Filed: 13 Nov 19
Utility
Electromagnetic device
8 Jun 21
An electromagnetic, EM, device includes: a 3D body made from a dielectric material having a proximal end and a distal end; the 3D body having a first region toward the center of the 3D body made from a dielectric material having a first average dielectric constant, the first region extending at least partially to the distal end of the 3D body; and the 3D body having a second region outboard of the first region made from a dielectric material other than air having a second average dielectric constant that is greater than the first average dielectric constant, the second region extending from the proximal end to the distal end of the 3D body.
Kristi Pance, Gianni Taraschi, Roshin Rose George, Sergio Clavijo, Shailesh Pandey, Karl E. Sprentall, Trevor Polidore, Stephen O'Connor, Jared DuPerre
Filed: 12 Nov 19
Utility
Millimeter-wave-radar-based electromagnetic apparatus
25 May 21
A wearable electromagnetic, EM, apparatus includes: at least one antenna operable in a millimeter-wave-radar-based, MWRB, application; at least one computer processor disposed in signal communication with the at least one antenna; an attachment system configured and adapted to attach to an actor; the at least one antenna and the at least one computer processor disposed in a supported relationship with the attachment system, such that the attachment system with the supported at least one antenna and the at least one computer processor at least partially forms a wearable apparatus that is wearable by the actor.
Shawn P. Williams, Gianni Taraschi, Sara G. Canzano, Kristi Pance, Christopher Brown, Karl E. Sprentall, Roshin Rose George
Filed: 25 Oct 19
Utility
Magneto-dielectric material comprising hexaferrite fibers, methods of making, and uses thereof
11 May 21
In an embodiment, a magneto-dielectric material comprises a polymer matrix; a plurality of hexaferrite microfibers; wherein the magneto-dielectric material has a permeability of 2.5 to 7, or 2.5 to 5 in an x-direction parallel to a broad surface of the magneto-dielectric material and a magnetic loss tangent of less than or equal to 0.03; as determined at 1 GHz, or 1 to 2 GHz.
Yajie Chen, Karl Edward Sprentall, Murali Sethumadhavan
Filed: 18 Jan 17
Utility
Polytetrafluoroethylene hexaferrite composites
16 Mar 21
Disclosed herein is a hexaferrite composite comprising polytetrafluoroethylene; and greater than or equal to 40 vol %, or 40 to 90 vol % a plurality of Co2Z hexaferrite particles based on the total volume of the polytetrafluoroethylene and the plurality of Co2Z hexaferrite particles on a void-free basis; wherein the hexaferrite composite has a porosity of greater than or equal to 10 vol % based on the total volume of the hexaferrite composite; wherein the hexaferrite composite has a permeability of greater than or equal to 2.5 and a ratio of the permeability to the permittivity of greater than or equal to 0.4, both determined at 500 MHz.
Allen F. Horn, III, Patricia A LaFrance, Christopher J. Caisse, Karl Edward Sprentall
Filed: 14 Feb 19
Utility
Substrate for electrical circuits and method for producing a substrate of this type
9 Mar 21
Andreas Meyer, Karsten Schmidt
Filed: 18 Jul 16
Utility
Venting liner and method
2 Mar 21
A venting liner is connectable in fluid communication between a closure and an interior of a device for venting gas from the interior into the ambient atmosphere.
Edward D Walsh
Filed: 18 Jul 17
Utility
Dielectric resonator antenna having first and second dielectric portions
2 Feb 21
An electromagnetic device includes: a dielectric structure having: a first dielectric portion, FDP, having a proximal end and a distal end, the FDP having a dielectric material other than air; and a second dielectric portion, SDP, having a proximal end and a distal end, the proximal end of the SDP being disposed proximate the distal end of the FDP, the SDP having a dielectric material other than air; and wherein the dielectric material of the FDP has an average dielectric constant that is greater than the average dielectric constant of the dielectric material of the SDP.
Kristi Pance, Gianni Taraschi, Roshin Rose George
Filed: 14 Jan 19
Utility
Dielectric resonator antenna having first and second dielectric portions
12 Jan 21
A dielectric structure of an electromagnetic device includes: a first dielectric portion, FDP, having a proximal end, a distal end, and a three-dimensional, 3D, shape having a direction of protuberance from the proximal end to the distal end oriented parallel with a z-axis of an orthogonal x, y, z coordinate system; and a second dielectric portion, SDP, having a proximal end and a distal end, the proximal end of the SDP being disposed proximate the distal end of the FDP, the FDP and the SDP having a dielectric material other than air; wherein the SDP has a 3D shape having a first x-y plane cross-section area proximate the proximal end of the SDP, and a second x-y plane cross-section area between the proximal end and the distal end of the SDP, the second x-y plane cross section area being greater than the first x-y plane cross-section area.
Kristi Pance, Gianni Taraschi
Filed: 14 Jan 19
Utility
Broadband multiple layer dielectric resonator antenna
12 Jan 21
A dielectric resonator antenna, DRA, includes: an electrically conductive ground structure; a dielectric material disposed on the ground structure; a signal feed electromagnetically coupled to the dielectric material; wherein the dielectric material provides a continuous uninterrupted internal geometric path from a side of the signal feed to an opposing side through a top of the dielectric material that is configured to at least partially support a TE radiating mode; and, the dielectric material defining therein a first geometrical path having a first direction, as observed in a plan view of the DRA, and defining therein a second geometrical path having a second direction, as observed in the plan view of the DRA, that is orthogonal to the first direction of the first geometrical path, the second geometrical path having an effective dielectric constant that is less than an effective dielectric constant of the first geometrical path, the first geometrical path, relative to the second geometrical path, being a favored path for E-field lines associated with the DRA.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams
Filed: 26 Feb 20
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
30 Nov 20
A dielectric resonator antenna (DRA) includes: an electrically conductive ground structure; at least one volume of a dielectric material disposed on the ground structure; a signal feed disposed and structured to be electromagnetically coupled to the at least one volume of a dielectric material; and an electrically conductive fence disposed circumferentially around the at least one volume of a dielectric material, and electrically connected with and forming part of the electrically conductive ground structure.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams
Filed: 27 Jun 19
Utility
Substrate for electrical circuits and method for producing a substrate of this type
2 Nov 20
The invention relates to a substrate (1) for electrical circuits comprising at least one first composite layer (2) which is produced by means of roll cladding and, after said roll cladding, has at least one copper layer (3) and an aluminium layer (4) attached thereon, wherein at least the surface side of the aluminium layer (4) facing away from the copper layer (3) is anodized for the generation of an anodic or insulating layer (5) made of aluminium oxide, and wherein the anodic or insulating layer (5) made of aluminium oxide is connected to a metal layer (7) or at least one second composite layer (2′) or at least one paper-ceramic layer (11) via at least one adhesive layer (6, 6′).
Andreas Meyer, Karsten Schmidt
Filed: 17 Jul 16
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
19 Oct 20
A dielectric resonator antenna (DRA) includes: a plurality of volumes of dielectric materials comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost volume, wherein a successive volume V(i+1) forms a layered shell disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N−1); and, wherein the DRA when excited via an electrical signal is configured to produce a far field 3D radiation pattern that occupies a topological space corresponding to a two-element homotopy group defined by a family of closed loop paths that are contractible at a single point, and by a family of closed loop paths that are not contractible at a single point.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams
Filed: 5 Sep 19
Utility
Dielectric resonator antenna and method of making the same
12 Oct 20
A dielectric resonator antenna (DRA) operable at a defined frequency includes: at least one volume of a dielectric material configured and structured to be responsive to a signal feed when electromagnetically coupled to the at least one volume of a dielectric material, the signal feed when present and electrically excited being productive of a main E-field component having a defined direction, Ē, in the DRA as observed in a plan view of the DRA; wherein the at least one volume of a dielectric material includes a non-gaseous dielectric material having a defined dielectric constant, the non-gaseous dielectric material having an inner region having a dielectric medium having a dielectric constant that is less than the dielectric constant of the non-gaseous dielectric material, at the defined frequency; wherein the inner region has a cross sectional overall height Hr as observed in an elevation view of the DRA, and a cross sectional overall width Wr in a direction parallel to the direction Ē as observed in the plan view of the DRA; and wherein Hr is greater than Wr/2.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams, Robert C. Daigle, Stephen O'Connor, Gianni Taraschi
Filed: 27 Jun 19
Utility
Mo-doped Co
7 Sep 20
A Co2Z hexaferrite composition is provided containing molybdenum and one or both of barium and strontium, having the formula (Ba2Sr(3-Z)Co(2+X))MoxFe(y-2x)O41 where x=0.01 to 0.20; y=20 to 24; and z=0 to 3.
Yajie Chen, Vincent Harris
Filed: 31 Jan 16
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
29 Jun 20
A dielectric resonator antenna, DRA, includes: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form sequential layered volumes Vi, i being an integer from 1 to N, wherein volume V1 forms an innermost first volume, wherein a successive volume Vi+1 forms a layered shell disposed over and at least partially embedding volume Vi, wherein volume VN at least partially embeds all volumes V1 to VN−1; wherein a portion of the dielectric material of volume VN bifurcates at least a portion of volumes V1 to VN−1; wherein the plurality of volumes of dielectric materials has a first effective dielectric constant along a first geometrical path, and has a second effective dielectric constant along a second geometrical path that is lower than the first effective dielectric constant.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams
Filed: 11 Nov 19
Utility
Broadband multiple layer dielectric resonator antenna and array thereof
29 Jun 20
A dielectric resonator antenna, DRA, includes: a ground structure; a plurality of volumes of dielectric materials disposed on the ground structure having N volumes V1 to VN, N being an integer equal to or greater than 3; a signal feed disposed and structured to be electromagnetically coupled to one or more of the plurality of volumes of dielectric materials; wherein adjacent ones of the plurality of volumes of dielectric materials have different dielectric constants with respect to each other; wherein each volume V2 to VN−1 includes a dielectric material other than air; and, wherein at least volume V1 has a cross sectional shape as observed in an elevation view with an overall height that is greater than half its respective overall width.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams
Filed: 17 Nov 19
Utility
Array apparatus comprising a dielectric resonator array disposed on a ground layer and individually fed by corresponding signal feeds, thereby providing a corresponding magnetic dipole vector
25 May 20
An array apparatus includes: an electrically conductive ground layer; a plurality of spaced apart dielectric resonators operable at a defined radiation wavelength, the plurality of resonators being spaced apart on an x, y grid having respective x and y dimensions between closest adjacent resonators that are each less than the defined radiation wavelength, each resonator being disposed on and in electrical communication with the ground layer; and, a plurality of spaced apart signal feeds disposed in one-to-one relationship with respective ones of the plurality of resonators.
Kristi Pance, Karl E. Sprentall, Roshin Rose George, Gianni Taraschi
Filed: 19 Apr 18
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
23 Mar 20
A method for the manufacture of a dielectric resonator antenna (DRA) or array of DRAs, the DRA having: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure having N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost volume, wherein a successive volume V(i+1) forms a layered shell disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N−1); and, a signal feed disposed and structured to be electromagnetically coupled to one or more of the plurality of volumes of dielectric materials.
Kristi Pance, Karl Sprentall, Shawn P. Williams, Robert C. Daigle
Filed: 25 Oct 16
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
9 Mar 20
A dielectric resonator antenna (DRA), having: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure having N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost first volume, wherein a successive volume V(i+1) forms a layered shell disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N−1); a signal feed electromagnetically coupled to one or more of the plurality of volumes of dielectric materials; and, the plurality of volumes of dielectric materials defining therein a first geometrical path having a first direction that extends from the signal feed to a diametrically opposing side of the plurality of volumes of dielectric materials, and defining therein a second geometrical path having a second direction that is orthogonal to the first direction of the first geometrical path, the second geometrical path having an effective dielectric constant that is less than an effective dielectric constant of the first geometrical path.
Kristi Pance, Karl E Sprentall, Shawn P. Williams
Filed: 26 Oct 16