178 patents
Page 9 of 9
Utility
Millimeter-wave-radar-based Electromagnetic Apparatus
29 Apr 20
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: 24 Oct 19
Utility
Method for the Manufacture of a Spatially Varying Dielectric Material, Articles Made by the Method, and Uses Thereof
22 Apr 20
A stereolithography method of manufacture of a polymer structure having a spatially gradient dielectric constant, including: providing a volume of a liquid, radiation-curable composition; irradiating a portion of the liquid, radiation-curable composition with activating radiation in a pattern to form a layer of the polymer structure; contacting the layer with the liquid, radiation-curable composition; irradiating the liquid, radiation-curable composition with activating radiation in a pattern to form a second layer on the first layer; and repeating the contacting and irradiating to form the polymer structure, wherein the polymer structure comprises a plurality of unit cells wherein each unit cell is integrally connected with an adjacent unit cell, each unit cell is defined by a plurality of trusses formed by the irradiation, wherein the trusses are integrally connected with each other at their respective ends, and the trusses of each unit cell are dimensioned to provide the spatially gradient dielectric constant.
Trevor Polidore, Sergio Clavijo, Dirk Baars
Filed: 17 Oct 19
Utility
Broadband Multiple Layer Dielectric Resonator Antenna and Method of Making the Same
25 Mar 20
A method for the manufacture of a DRA, or an array of the DRA's, each DRA including: a substrate; and, a plurality of volumes of dielectric materials disposed on the substrate 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 volume 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), the method including: forming on the substrate a first volume of the plurality of volumes of dielectric materials from a first dielectric material having a first dielectric constant; and, forming over the first volume a second volume of the plurality of volumes of dielectric materials with a second dielectric material having a second dielectric constant.
Kristi Pance, Karl E. Sprentall, Shawn P. Williams, Robert C. Daigle
Filed: 21 Nov 19
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 Array Thereof
18 Mar 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
Dielectric Resonator Antenna System
11 Mar 20
An electromagnetic device includes: an electrically conductive ground structure; at least one dielectric resonator antenna (DRA) disposed on the ground structure; at least one electromagnetic (EM) beam shaper disposed proximate a corresponding one of the DRA; and, at least one signal feed disposed electromagnetically coupled to a corresponding one of the DRA.
Murali Sethumadhavan, Michael S. White, Gianni Taraschi, Kristi Pance
Filed: 8 Sep 19
Utility
Broadband Multiple Layer Dielectric Resonator Antenna and Method of Making the Same
11 Mar 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
Dielectric Resonator Antenna System
11 Mar 20
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: 12 Nov 19
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
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
30 Dec 19
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 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); wherein a portion of the dielectric material of volume V(N) bifurcates at least a portion of volumes V(1) to V(N−1); and a signal feed electromagnetically coupled to one or more of the plurality of volumes of dielectric materials.
Kristi Pance, Karl E Sprentall, Shawn P. Williams
Filed: 26 Oct 16
Utility
Broadband Multiple Layer Dielectric Resonator Antenna and Method of Making the Same
25 Dec 19
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
Thermal Management Phase-change Composition, Methods of Manufacture Thereof, and Articles Containing the Composition
11 Dec 19
A phase-change composition comprises a homogeneous mixture of a thermoplastic polymer composition; and a phase-change material; wherein the phase-change composition has a viscosity of less than 100,000 centipoise, or less than 55,000 centipoise, or less than 30,000 centipoise, or less than 20,000 centipoise, or less than 10,000 centipoise, or less than 3000 centipoise at a temperature greater than or equal to 120° C. and is a gel at a temperature less than or equal to 100° C., or less than or equal to 80° C., or less than or equal to 50° C.
Ming Wei, Ian Smith, Sharon Soong
Filed: 6 Jun 19
Utility
Broadband multiple layer dielectric resonator antenna and method of making the same
11 Nov 19
A dielectric resonator antenna (DRA), includes: 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
Filed: 25 Oct 16
Utility
Electromagnetic Dielectric Structure Adhered to a Substrate and Methods of Making the Same
6 Nov 19
In an embodiment, an electromagnetic device, comprises a substrate a substrate comprising a dielectric layer and a first conductive layer; at least one dielectric structure comprising at least one non-gaseous dielectric material that forms a first dielectric portion that extends outward from the first side of the substrate, the first dielectric portion having an average dielectric constant and an optional second dielectric portion that extends into an optional via.
Stephen O'Connor, Gianni Taraschi, Christopher Brown, Kristi Pance, Karl E. Sprentall, Bruce Fitts, Dirk Baars, William Blasius, Murali Sethumadhavan, Roshin Rose George, Michael S. White, Michael Lunt, Sam Henson, John Dobrick
Filed: 28 Apr 19
Utility
Co2 Z-type ferrite composite material for use in ultra-high frequency antennas
4 Nov 19
A ferrite composition is provided containing Ba, Co, and Ir and having a Z-type hexaferrite phase and a Y-type hexaferrite phase.
Yajie Chen, Vincent Harris
Filed: 30 Jul 15
Utility
Textured Planar M-type Hexagonal Ferrites and Methods of Use Thereof
16 Oct 19
A grain-oriented M-type hexagonal ferrite has the formula MeFe12O19, and a dopant effective to provide planar magnetic anisotropy and magnetization in a c-plane, or a cone anisotropy, in the hexagonal crystallographic structure wherein Me is Sr+, Ba2+ or Pb2+, and wherein greater than 30%, preferably greater than 80%, of c-axes of the ferrite grains are aligned perpendicular to the c-plane.
YAJIE CHEN, KEVIN RING, LI ZHANG, MICHAEL S. WHITE
Filed: 8 Apr 19
Utility
Dielectric Resonator Antenna and Method of Making the Same
16 Oct 19
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
Broadband Multiple Layer Dielectric Resonator Antenna and Method of Making the Same
16 Oct 19
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