Entries |
Document | Title | Date |
20080291116 | CELLULAR ANTENNAS AND COMMUNICATIONS METHODS - An antenna includes a main controller for communicating with an external system, a plurality of peripheral devices and a number of sub-controllers. The peripheral devices are associated with sub-controllers. The main controller communicates with the peripheral devices over a hybrid communications bus, addressing both bus-addressable devices and serial addressable devices. | 11-27-2008 |
20090201220 | HIGH IMPEDANCE SURFACE STRUCTURE USING ARTIFICIAL MAGNETIC CONDUCTOR, AND ANTENNA AND ELECTROMAGNETIC DEVICE USING THE SAME STRUCTURE - Provided are a high impedance surface structure using an AMC (artificial magnetic conductor) and an antenna and an electromagnetic device using the high impedance surface structure. The high impedance surface structure includes: a ground layer formed of a first conductor layer; a first dielectric layer formed on the ground layer; and an HIS (high impedance surface) layer formed of second conductor layers and a second dielectric layer on the first dielectric layer, wherein the second conductor layers are interdigitated with one another and vias connecting the second conductor layers to the ground layer are not formed. | 08-13-2009 |
20100066637 | Broadcast Antenna Ellipticity Control Apparatus and Method - The present invention provides a phaser pack for an elliptically polarized antenna that includes a first structural component, a second structural component and a cylindrical inner conductor. The first structural component includes a recess, coupled to an input port, that forms a first portion of a cylindrical conductive path, while the second structural component includes a recess, coupled to a plurality of output ports, that forms a second portion of the cylindrical conductive path. The recesses of the first and second structural components form a continuous cylindrical conductive path when the first and second structural components are mated. The cylindrical inner conductor includes a plurality of tee junctions and a plurality of transition segments, coupled to the input port and the plurality of output ports, disposed within the continuous cylindrical conductive path to form a coaxial conductor that provides different phase delays to at least two of the plurality of output ports. | 03-18-2010 |
20100207842 | RADIO WAVE TRANSMITTING DECORATIVE MEMBER - There is provided a radio wave transmitting decorative member which has radio wave transmitting properties as well as minor-surface like metallic luster, the radio wave transmitting decorative member which hardly loses its metallic luster and which can be produced at a low cost. More specifically, disclosed is a radio wave transmitting decorative member including a substrate, and a light reflecting layer provided on top of the substrate and formed of an alloy composed of either silicon or germanium and a metal, wherein the light reflecting layer is preferably a deposition film formed by a physical vapor deposition of an alloy composed of either silicon or germanium and a metal. | 08-19-2010 |
20110102297 | Artificial medium - An artificial medium includes: a dielectric layer having a front surface and a back surface; a plurality of first grid lines respectively formed on the front surface and the back surface and extending in a first direction and a plurality of second grid lines extending in a second direction different from the first direction; and electrically conductive elements respectively formed on the front surface and the back surface of the dielectric layer and located in areas where the first grid lines intersect the second grid lines, wherein when an electromagnetic wave propagated in the direction of the thickness of the dielectric layer is incident, a current excited by the electromagnetic wave is increased in a prescribed operating frequency and a current loop is formed in a plane parallel to the direction of the thickness. | 05-05-2011 |
20110122046 | Antenna component and antenna device - Two harness engagement grooves are provided at each end in the longitudinal direction of a rod-shaped antenna component, on one side thereof, and midway in the longitudinal direction, on one side thereof, a uniting groove is provided, having a width, which is smaller than the outermost width of the two harness engagement grooves. | 05-26-2011 |
20120007792 | Monolithic Microwave Antenna Feed and Method of Manufacture - A microwave antenna feed arrangement provided with a unitary body with a feed bore between a launch end and a back end of the body. A plurality of coaxial annular grooves are located on the launch end of the body. An OMT bore in the body extends from a side of the body to the feed bore. The body may be further configured with an end cap to close the back end of the feed bore or a feed elbow for dual polarization operation. The body may be manufactured for example, by machining or metal injection molding. | 01-12-2012 |
20120119976 | ANTENNA AND TRANSFORMER INCLUDED IN THE SAME - An antenna having a transformer exchangeable in accordance with tilting angle adjustment rate is disclosed. The antenna includes a phase shifter, a tilting adjustment apparatus and a transformer configured to move linearly in response to a force provided from the tilting adjustment apparatus, and deliver a force corresponding to the moving to the phase shifter. | 05-17-2012 |
20120188145 | RADOME OF CANAPE STRUCTURE - A radome not having a sandwich structure but having a canape structure is formed with an object to obtain a radome of a canape structure having a satisfactory radio property, and moreover, an excellent mechanical strength by providing a matching layer to a skin layer on an interior side of a radome. The skin layer is formed of layered glass fiber cloths and resin impregnated therein. The layered glass fiber cloths can be replaced with glass fiber mats. For the matching layer, a foamed material, such as a urethane material having a low permittivity, or a core material having a resin impregnating property can be used. A radome of a canape structure can be obtained with the skin layer and the matching layer. | 07-26-2012 |
20120229366 | ANTENNA ARRAY FOR ULTRA WIDE BAND RADAR APPLICATIONS - A low profile antenna array for UWB radar antenna applications is disclosed. It may be used as a mid-range receiving antenna array (RXM) or as a mid-range transmitting antenna array (TXM). In some embodiments, the RXM or the TXM may include a plurality of radiation patch elements formed on a top layer of a printed circuit board (PCB), a distribution feeding network in the mid-layer of the PCB having a patch array, and a serial feeding arrangement from a λ/4 coupling slot to each feeding patch. This antenna may have a desirable large frequency bandwidth with relatively flat antenna gain over a frequency range from 22 GHz to 26.5 GHz. In addition, sidelobe levels for the elevation patterns may be below −20 dB. Other embodiments are disclosed and claimed. | 09-13-2012 |
20120256811 | Widebrand Adaptable Artificial Impedance Surface - A tunable impedance surface, the tunable surface including a plurality of elements disposed in a two dimensional array; and an arrangement of variable negative reactance circuits for controllably varying negative reactance between at least selected ones of adjacent elements in the aforementioned two dimensional array. | 10-11-2012 |
20130093644 | ANTENNA HOLDING DEVICE - An antenna holding device for holding test antennas includes a base, a holding pole, a sleeve unit, and a support pole. The holding pole is perpendicularly mounted on the base. The sleeve unit includes a movable sleeve, and the movable sleeve slidably and rotatably mounted on the holding pole. The support pole is mounted on the sleeve unit for mounting the test antennas. | 04-18-2013 |
20130154901 | ARTIFICIAL MICROSTRUCTURE AND METAMATERIAL USING THE SAME - The present invention provides an artificial microstructure including a first metal wire, a second metal wire parallel to the first metal wire, at least one first metal wire branch and at least one second metal wire branch. The at least one first metal wire branch and the at least one second metal wire branch are distributed in an interlacement arrangement. One end of the at least one first metal wire branch is connected to the first metal wire; the other end is a free end facing towards the second metal wire. One end of the at least one second metal wire branch is connected to the second metal wire, and the other end of the at least one second metal wire is a free end facing towards the first metal wire. The present invention also discloses a metamaterial with the artificial microstructures. | 06-20-2013 |
20140240197 | Methods And Devices For Protecting Antenna Components From Contaminants - Sealing portions of an orthomode transducer or another antenna component is accomplished by forming first and second receptacles or channels in one half or portion of the transducer and inserting first and second type of compressible sealing components into the receptacles. Upon attaching additional portions of the transducer the compressible sealing components may be compressed, but the compression is limited to an amount within a compression range to maintain a seal. | 08-28-2014 |
20150314526 | METHOD AND APPARATUS FOR FOLDED ANTENNA COMPONENTS - Method and apparatus for making antennas and antenna components suitable for wideband transmission and reception are disclosed. Material accretion devices or apparatus such as a 3D printer can be used to form the antennas and antenna components. The antenna and antenna components can include folded and/or self-similar features. | 11-05-2015 |
20160181702 | ORTHOGONAL-MODE JUNCTION COUPLER AND ASSOCIATED POLARIZATION AND FREQUENCY SEPARATOR | 06-23-2016 |
20180026197 | RECTIFYING ELEMENT, METHOD FOR PRODUCING SAME, AND WIRELESS COMMUNICATION DEVICE | 01-25-2018 |
20190148826 | ANTENNA STRUCTURE WITH HOLLOW-BORESIGHT ANTENNA BEAM | 05-16-2019 |
20220140491 | RECONFIGURABLE ANTENNA AND METHOD FOR MANUFACTURING THE SAME - A reconfigurable antenna and a method for manufacturing the same are provided. The reconfigurable antenna includes: a first substrate and a second substrate opposite to each other, a liquid crystal layer between the first substrate and the second substrate, a first metal layer between the first substrate and the liquid crystal layer, and a second metal layer between the second substrate and the liquid crystal layer. The first metal layer serves as a radiation patch layer of the reconfigurable antenna. The second metal layer serves as a ground layer of the reconfigurable antenna. The first metal layer and the second metal layer are configured to provide an electric field to the liquid crystal layer, so as to rotate orientation vectors of liquid crystal molecules of the liquid crystal layer. | 05-05-2022 |