# US 2014/0198007 A1 · Antenna Assemblies Including Antenna Elements with Dielectric for Forming Closed Bow Tie Shapes > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0198007 A1 - Document ID: US20140198007A1 - Status: Published application - Kind: A1 - Application number: 14/215,675 - Filed: 2014-03-17 - Published: 2014-07-17 - Earliest claimed: 2011-11-04 - Assignees: Antennas Direct, Inc. - Applicants: Antennas Direct, Inc. - Inventors: Richard E. Schneider; John Edwin Ross, III; Corey Feit - Web page: https://patentgrep.com/patent/US20140198007A1 ## CPC - H01Q 9/16: with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole (H01Q9/44 takes precedence) - H01Q 1/1221: {onto a wall} - H01Q 1/1228: {on a boom} - H01Q 1/125: {Means for positioning} - H01Q 9/28: Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines (waveguide horns or mouths H01Q13/00; slot antennas H01Q13/00) - H01Q 19/175: {arrayed along the focal line of a cylindrical focusing surface} - H01Q 19/18: having two or more spaced reflecting surfaces (H01Q19/20 takes precedence) - H01Q 21/08: the units being spaced along or adjacent to a rectilinear path {(waveguide fed H01Q21/0037)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract According to various aspects, exemplary embodiments are provided of bow tie antennas and antenna assemblies that include the same. In an exemplary embodiment, a bow tie antenna includes a pair of antenna elements. Each antenna element includes spaced apart end portions defining an open portion such that the antenna element has an open shape. The open shape is closed by dielectric material disposed between the spaced apart end portions and extending across a gap separating the spaced apart end portions, whereby the dielectric material and pair of antenna elements cooperatively define a closed bow tie shape for the bow tie antenna. ## Claims ### Claim 1 An antenna assembly operable within at least a first bandwidth ranging from about 470 megahertz to about 698 megahertz, the antenna assembly comprising: an antenna support; at least one bow tie antenna coupled to the antenna support, the at least one bow tie antenna comprising a pair of antenna elements, each said antenna element including spaced apart end portions with dielectric disposed between the spaced apart end portions; and at least one reflector coupled to the antenna support and disposed relative to the at least one bow tie antenna for reflecting electromagnetic waves generally towards the at least one bow tie antenna. ### Claim 2 (depends on 1) The antenna assembly of claim 1, wherein each said antenna element has an open shape which is closed by the dielectric extending across a gap separating the spaced apart end portions. ### Claim 3 (depends on 1) The antenna assembly of claim 1, wherein the pair of antenna elements and the dielectric cooperatively define a closed bow tie shape for the bow tie antenna. ### Claim 4 (depends on 1) The antenna assembly of claim 1, wherein each said antenna element is not closed electrically by the dielectric which is inoperable for galvanically connecting the spaced apart end portions of the antenna elements. ### Claim 5 (depends on 1) The antenna assembly of claim 1, wherein the dielectric comprises: a plurality of pieces of dielectric tubing, each said piece of dielectric tubing having openings in which are positioned the spaced apart end portions of a corresponding one of the antenna elements; or a plurality of dielectric connectors each of which is physically connected to the spaced apart end portions of a corresponding one of the antenna elements. ### Claim 6 (depends on 1) The antenna assembly of claim 1, wherein the at least one bow tie antenna comprises a pair of bow tie antennas spaced apart from each other, and wherein the antenna assembly further comprises: a balun electrically equidistant from each bow tie antenna such that the bow tie antennas are in phase; one or more pairs of electrical conductors electrically connecting the balun and the bow tie antennas, wherein the axial spacing of the electrical conductors forms a parallel wire transmission structure; and dielectric mounting members coupling the bow tie antennas to the antenna support, wherein the dielectric mounting members are configured for providing a stop for portions of the electrical conductors. ### Claim 7 (depends on 1) The antenna assembly of claim 1, wherein the at least one bow tie antenna comprises a first pair of bow tie antennas coupled to the antenna support and spaced apart from each other, and a second pair of bow tie antennas coupled to the antenna support and spaced apart from each other, and wherein the antenna assembly further comprises: a first reflector behind the first pair of bow tie antennas for reflecting electromagnetic waves generally towards the first pair of bow tie antennas; and a second reflector behind the second pair of bow tie antennas for reflecting electromagnetic waves generally towards the second pair of bow tie antennas. ### Claim 8 (depends on 1) The antenna assembly of claim 1, wherein the at least one bow tie antenna comprises a first pair of bow tie antennas coupled to the antenna support and spaced apart from each other, and a second pair of bow tie antennas coupled to the antenna support and spaced apart from each other, and wherein the antenna assembly further comprises: a balun electrically equidistant from the first and second pairs of bow tie antennas such that the bow tie antennas are in phase; one or more pairs of electrical conductors electrically connecting the balun and the bow tie antennas and configured to be operable as a corporate feed; and dielectric mounting members coupling the bow tie antennas to the antenna support, wherein the dielectric mounting members are configured for providing a stop for portions of the electrical conductors. ### Claim 9 (depends on 1) The antenna assembly of claim 1, further comprising at least one dielectric mounting member coupling the at least one bow tie antenna to the antenna support, wherein the dielectric mounting members are configured for providing a stop for angled portions of transmission lines and for providing a stop for straight portions of transmission lines. ### Claim 10 An antenna assembly operable for receiving high definition television signals within a frequency bandwidth ranging from about 470 megahertz to about 698 megahertz, the antenna assembly comprising at least one pair of bow tie antennas spaced apart from each other, each said bow tie antenna including a pair of antenna elements, each said antenna element including a closed portion and spaced apart end portions defining an open portion whereby dielectric is positionable between the spaced apart end portions. ### Claim 11 (depends on 10) The antenna assembly of claim 10, wherein each said antenna element includes dielectric extending across a gap separating the spaced apart end portions such that the antenna element has an open shape which is closed by the dielectric. ### Claim 12 (depends on 10) The antenna assembly of claim 10, wherein each said bow tie antenna includes dielectric positioned between the spaced apart end portions of the pair of antenna elements such that the pair of antenna elements and the dielectric cooperatively define a closed bow tie shape for the bow tie antenna. ### Claim 13 (depends on 10) The antenna assembly of claim 10, wherein each said antenna element is not closed electrically by dielectric positioned between the spaced apart end portions. ### Claim 14 (depends on 10) The antenna assembly of claim 10, further comprising: a plurality of pieces of dielectric tubing, each said piece of dielectric tubing having openings in which are positioned the spaced apart end portions of a corresponding one of the antenna elements; or a plurality of dielectric connectors each of which is physically connected to the spaced apart end portions of a corresponding one of the antenna elements. ### Claim 15 (depends on 10) The antenna assembly of claim 10, wherein: the at least one pair of bow tie antennas comprises a first pair of bow tie antennas spaced apart from each other; and a second pair of bow tie antennas spaced apart from each other; a first reflector is behind the first pair of bow tie antennas for reflecting electromagnetic waves generally towards the first pair of bow tie antennas; a second reflector is behind the second pair of bow tie antennas for reflecting electromagnetic waves generally towards the second pair of bow tie antennas; and a balun is electrically equidistant from the first and second pairs of bow tie antennas such that the bow tie antennas are in phase. ### Claim 16 (depends on 10) The antenna assembly of claim 10, wherein the at least one pair of bow tie antennas comprises a single pair of bow tie antennas spaced apart from each other; a reflector is behind the single pair of bow tie antennas for reflecting electromagnetic waves generally towards the single pair of bow tie antennas; and a balun is electrically equidistant from each bow tie antenna such that the bow tie antennas are in phase. ### Claim 17 (depends on 10) The antenna assembly of claim 10, further comprising dielectric mounting members coupling the bow tie antennas to an antenna support, wherein the dielectric mounting members are configured for providing a stop for angled portions of transmission lines and for providing a stop for straight portions of transmission lines. ### Claim 18 A bow tie antenna suitable for use in an antenna assembly operable for receiving high definition television signals within a frequency bandwidth ranging from about 470 megahertz to about 698 megahertz, the bow tie antenna comprising a pair of antenna elements, each said antenna element including spaced apart end portions defining an open portion such that the antenna element has an open shape whereby the open shape is closable by dielectric positionable between the spaced apart end portions. ### Claim 19 (depends on 18) The bow tie antenna of claim 18, wherein each said antenna element includes dielectric extending across a gap separating the spaced apart end portions such that the open shape of the antenna element is closed by the dielectric. ### Claim 20 (depends on 18) The bow tie antenna of claim 18, wherein each said antenna element includes dielectric positioned between the spaced apart end portions such that the pair of antenna elements and the dielectric cooperatively define a closed bow tie shape for the bow tie antenna. ### Claim 21 (depends on 18) The bow tie antenna of claim 18, wherein each said antenna element is not closed electrically by dielectric positioned between the spaced apart end portions. ### Claim 22 (depends on 18) The bow tie antenna of claim 18, further comprising: a plurality of pieces of dielectric tubing, each said piece of dielectric tubing having openings in which are positioned the spaced apart end portions of a corresponding one of the antenna elements; or a plurality of dielectric connectors each of which is connected to the spaced apart end portions of a corresponding one of the antenna elements. ### Claim 23 (depends on 18) The bow tie antenna of claim 18, wherein the spaced apart end portions of each said antenna element extend generally toward each other and are configured to be received within corresponding openings of a piece of dielectric tubing positionable between the spaced apart end portions.