Matches 1 - 25 out of 25


Match Document Document Title
US20110060196 Flexible Mounting Unit and Cover for a Medical Device  
Generally, embodiments of the present disclosure are directed to an adhesive mounting unit that is formed from a nonwoven polymeric material that is breathable, flexible, waterproof and durable....
US20100109971 METAMATERIAL STRUCTURES WITH MULTILAYER METALLIZATION AND VIA  
Techniques and apparatus based on metamaterial structures are provided for antenna and transmission line devices, including multilayer metallization metamaterial structures with one or more...
US20080062059 Antenna, method of manufacturing an antenna and apparatus for manufacturing an antenna  
An antenna comprising a plurality of re-radiating elements arranged in at least one plane being parallel to a fixed surface. The arrangement is adapted such that electromagnetic radiation emitted...
US20070159396 Antenna structures having adjustable radiation characteristics  
The radiation properties and wave guiding properties of frequency selective surfaces are used in conjunction with closely spaced antenna elements to fabricate antenna structures having adjustable...
US20060152430 Periodic electromagnetic structure  
This invention relates to periodic electromagnetic structures (20) for use over a relatively large range of frequencies. In particular, this invention relates to microwave applications, such as...
US20050134521 Frequency selective surface to suppress surface currents  
Briefly, in accordance with an embodiment of the invention, an apparatus to suppress surface currents is provided. The apparatus may include very high frequency (VHF) antenna and a frequency...
US20050219145 Complementary dual antenna system  
The present invention provides a dual antenna system where a first antenna element has a metallic surface with openings that are resonant at frequencies other than the operating frequency of a...
US20110148738 OPENING/CLOSING TYPE ELECTROMAGNETIC WAVE ABSORBING DEVICE  
An opening/closing type electromagnetic wave absorbing device is provided. The opening/closing type electromagnetic wave absorbing device includes, a plurality of electromagnetic band gap (EBG)...
US20080284674 Digital control architecture for a tunable impedance surface  
A digitally controlled tunable impedance surface. The tunable impedance surface is of the type having a two dimensional array of conducting plates disposed adjacent a dielectric medium; a ground...
US20160156108 MEANDER LINE CIRCULAR POLARISER  
A wideband meander-line circular polariser includes a substrate and a plurality of parallel meander shaped conductors (meander lines). Each parallel meander line (20,30) is loaded with...
US20140218264 ROTMAN LENS  
A Rotman lens, having a ground plane 80 made up of a conductive member and a dielectric substrate 70 disposed on the ground plane 80, and disposed at a position facing the ground plane 80...
US20100019980 APPARATUS FOR AN ANTENNA SYSTEM  
An apparatus for an antenna system comprising at least one blade to cut the energy in the electric field received by an antenna into a plurality of portions and redirect said plurality of portions...
US20090027279 Method for reducing electromagnetic field of terminal and terminal having structure for reducing electromagnetic field  
A method of reducing electromagnetic field using metamaterial and a portable or wearable terminal having a structure for reducing an electromagnetic field using a metamaterial are provided. The...
US20070176846 Radiation controller including reactive elements on a dielectric surface  
A device for controlling electromagnetic radiation emitted by a structure is described. The device has a reactive element comprising an array of conductors disposed on a dielectric surface such...
US20140097996 TUNABLE ELECTROMAGNETIC DEVICE WITH MULTIPLE METAMATERIAL LAYERS, AND METHOD  
A tunable electromagnetic device includes at least two overlapping metamaterial layers, wherein the metamaterial layers are selectively tunable by patterned conductive structures that are parts of...
US20090237323 Apparatus and method for reducing electromagnetic waves  
An apparatus for reducing electromagnetic waves, includes an electromagnetic bandgap for reducing a surface current induced by electromagnetic waves that are emitted from a radiator; and an...
US20090243948 MODULAR UNIT FOR A RADAR ANTENNA ARRAY HAVING AN INTEGRATED HF CHIP  
A modular unit for a radar antenna array having an integrated HF chip, at least one antenna element that has a microwave structure, a focusing element situated in the ray path of the radar antenna...
US20100271278 BISTATIC ARRAY ANTENNA AND METHOD  
In a bistatic array antenna, beam focusing in preferred directions of the array antenna occurs with the aid of a focusing arrangement in such a way that beam focusing occurs both in a first...
US20050104791 Two-layer wide-band meander-line polarizer  
A two-layer polarizer (6, 7) comprising a first substrate (10) having formed on a major surface thereof a first conductive meander line array (2) and a second substrate (12) having formed on a...
US20110227809 PATCH ANTENNA IN WIRELESS COMMUNICATION SYSTEM AND METHOD FOR MANUFACTURING THE SAME  
A patch antenna in a wireless communication system includes a patch antenna unit positioned at a predetermined point on a substrate; a first cover of a high-gain metamaterial of a different...
US20070273608 Anisotropic frequency selective ground plane for orthogonal pattern control of windshield antenna  
An anisotropic reactive frequency selective surface (FSS) ground plane for controlling the beam pattern of an antenna. More specifically, the ground plane comprises a plurality of FSS unit cells...
US20060181479 Filter assembly and method of filtering electromagnetic radiation  
A filter assembly and a method for filtering electromagnetic radiation are provided. The filter assembly includes a dielectric layer having a first side and a second side. The filter assembly...
US20060082511 Electronically controlled dual polarizer  
Systems and methods provide an electronically controlled polarizer for antenna applications. For example, in accordance with an embodiment of the present invention, an electronically controlled...
US20090109120 Low Windload Phasing Structure  
A microwave phasing structure configured to reflect microwaves within an operation frequency band includes a planar array of phasing. The plurality of phasing elements may be supported by a...
US20150084835 SPHERICAL RESONATOR FREQUENCY SELECTIVE SURFACE  
A frequency selective surface includes resonators (104) which are spherically shaped and have an arrangement which defines a periodic array (103) of rows (112) and columns (114). The periodic...

Matches 1 - 25 out of 25