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WO/2005/027265A1 |
A beam switching antenna system and method and apparatus for controlling the same is provided, by which optimal antenna characteristics can be maintained according to a peripheral environment, the necessary time and power consumption of ...
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WO/2005/027186A2 |
An expansion-type reflection mirror has connecting members that are installed between extendable members constructing an expansion truss. Each connection member connects a portion corresponding to an antinode of and a portion correspondi...
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WO/2005/027611A1 |
A 3-D fractal structure body which has not been realized by conventional and new technologies, and which is a structure body having partly or entirely a 3-D fractal structure, wherein the transmittance of an electromagnetic wave has a mi...
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WO/2005/024999A1 |
A high-impedance substrate comprising a first layer (1) made of an insulating material, having a lower surface and a top surface. The substrate comprises conductor patterns (3) which are mechanically linked to the substrate. The inventio...
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WO/2005/022683A2 |
A reconfigurable array (10) provided of variable conductive elements (20, 22) is provide for reflecting, filtering and steering electromagnetic radiation across a wide range of frequencies. The reconfigurable array (10) is combined with ...
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WO/2005/020373A1 |
An apparatus for reducing the electromagnetic radiation reflected from structures in the direction of electromagnetic radiation receiving equipment is disclosed. The apparatus, situated between an object (6) and a source of electromagnet...
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WO/2005/018040A2 |
A multi-beam antenna (200, 204) comprises at least one curved surface (202), at least one dielectric substrate (16), and a plurality of end-fire antenna feed elements (14, 14.1) on the dielectric substrate (16). The at least one curved s...
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WO/2005/014475A2 |
Disclosed herein is a material for altering electromagnetic radiation incident on the material. The material disclosed herein comprises carbon nanotubes having a length (L) that meets the following formula (I): L ≥ 1/2 &lgr (I), where ...
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WO/2005/013420A1 |
A Luneberg lens composed of a combination of a plurality of lens parts has a problem in securing the combined state and good moisture proof property of the lens parts. A positional deviation of the lens parts not only causes a cost incre...
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WO/2005/013422A1 |
A reflecting plate-equipped planar antenna which is narrow in shape. A planar reflecting plate (21) is installed on the back surface of a planar radiation element (20) consisting of triangular stacked loop elements. Side sections (21b) o...
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WO/2005/013421A1 |
An antenna reflector panel comprises a reinforcing element and a reflector sheet being mounted onto said reinforcing element. According to the invention, the reinforcing element comprises a block of a machinable material having a shaped ...
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WO/2005/013416A1 |
An antenna comprising: (a) a pair of spaced apart conducting plates which are separated by a cavity containing a dielectric medium; (b) radio frequency feed means for coupling radio frequency energy into, or from, the cavity formed by th...
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WO/2005/011056A1 |
A support structure (1) is provided comprising a plurality of curved surfaces A, B hingedly interconnected along their edges such as to provide effective deployment in two separate stages. Preferably, the structure has only two curved su...
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WO/2005/011052A2 |
The invention relates to a substrate, in particular to a glass for a window (1) comprising an electroconductive heatable coating (2), at least one communication window (5) which is arranged therein in the form of the interruption of said...
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WO/2005/002841A1 |
The present invention relates to a composite dielectric material comprising a ceramic and/or metal having a shape with a high aspect ratio which is carried by a gas-containing structure. This material is useful for high frequency optics ...
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WO/2005/003830A2 |
A structured material is disclosed with gyrotropic characteristics including at least one continuous structurally-chiral material. The structured material has an electric permittivity and a magnetic permeability at least one of which var...
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WO/2004/107497A2 |
An antenna (300) having a central active element (202) and a plurality of passive dipoles (308) surrounding the active element is disclosed. The passive dipoles increase the antenna gain by increasing the radiated energy in the azimuth d...
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WO/2004/105178A2 |
A flat plate reflective assembly (10) for receiving and focusing incident microwave signals having a wavelength ( ), comprising a series of adjacent reflecting surfaces (12, 14, 16, 18, 20, 22, 24), each having a separate focal points of...
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WO/2004/093155A2 |
By configuring a high impedance frequency selective surface (HZ-FSS) structure for the appropriate values of surface impedance (surface resistance and surface reactance), a high frequency artificial ferrite metamaterial can be synthesize...
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WO/2004/093497A1 |
An electrically conductive coating of an automotive heatable windshield has a communication window having an enhanced frequency selective surface having arranged passing areas (uncoated areas) and blocking areas (coated areas) to pass an...
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WO/2004/093244A2 |
A reconfigurable frequency selective surface (FSS) includes a plurality of conducting patches (12) supported on the surface of a dielectric layer (16), with selectable electrical interconnections (14) between the conducting patches (12) ...
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WO/2004/091042A1 |
The invention relates to an improved reflector for an antenna, in particular for a mobile radio antenna, characterised as follows: the reflector (1) consists of at least two combined or combinable reflector modules (3); the reflector mod...
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WO/2004/091050A1 |
The invention relates to an improved antenna which comprises at least one dipole or a dipole-like emitting device (11) and is characterised in that the dipole-like emitting device (11) is touchlessly associated to a reflector (3) or to a...
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WO/2004/091041A1 |
The invention relates to an improved reflector for an antenna, especially for a mobile radio antenna. The inventive reflector is characterised by the following features; the reflector is produced according to a casting method, a deep-dra...
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WO/2004/088793A1 |
This invention relates to a low-profile lens antenna. In particular, this invention relates to a low-profile lens antenna for use in a depression in a surface, e.g. a concavity in the ground. A low-profile lens antenna is provided that c...
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WO/2004/086563A1 |
A Luneberg lens of monolayer structure or multilayer structure composed of a combination of two or more layers of different dielectric constants, the Luneberg lens produced by adding a blowing agent to a resin mixture obtained by mixing ...
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WO/2004/075341A2 |
An electromagnetic bandgap material is electrically attached to an edge, and enables high isolation between antennas due to the attenuation of surface waves. The disclosed embodiments further provide narrow reactive edge treatments in th...
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WO/2004/073102A2 |
A lens antenna device for mobile communications has an antenna having a spherical Luneberg lens or a hemispherical Luneberg lens with a reflector and further having a primary emitter and a support arm for the emitter, a cover for coverin...
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WO/2004/068629A2 |
The present invention relates to antennas for radio signal frequencies, an electromagnetic shield and a mechanical package for electronic components. The antenna uses a three-dimensional conductive structure to enclose the components tha...
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WO/2004/068081A1 |
A bottom reflector (15) for a radar-based level gauge (11), which measures a level (71) of a liquid stored in a tank (12) by means of transmitting a microwave signal towards the surface of the liquid from the top of the tank, receiving t...
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WO/2004/068636A1 |
A small and compact lens antenna system in which a radio wave having a large incident angle from a circulating satellite as well as a geostationary satellite can be received without reducing the gain by combining a hemispherical lens and...
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WO/2004/062034A1 |
It comprises an upper case (11) having a speaker (14) and a display screen (15), a lower case (12) having a keyboard (18) mounted thereon, an antenna (16) attached to the upper end of the upper case (11) or the lower end of the lower cas...
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WO2004021067B1 |
A wave plate (10) formed of a perforated metallic plate of a particular thickness (L) has circular holes (12) that induce a change in the polarization of an electromagnetic wave passing through the holes in the plate. By choosing the pro...
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WO2004034509A9 |
A method of manufacturing injection-molded components having complex features is disclosed. Prior methods typically require the use of a three-piece mold system to form an injection molded component having a complex feature, such as a la...
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WO/2004/051870A2 |
A region (64) in a metallic panel (66) that facilitates the transmission of radio frequency signals. The metallic panel may be included in a window such as the window of a vehicle or building. For example, the metallic panel may be used ...
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WO/2004/051869A2 |
A region in a metallic panel that facilitates the transmission of radio frequency signals. The metallic panel may be included in a window (10) such as the window of a vehicle or building. For example, the metallic panel may be used for h...
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WO/2004/040694A1 |
The invention concerns a system comprising a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna comprises: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (3...
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WO/2004/040696A1 |
The invention concerns a multibeam antenna comprising: a photonic bandgap material (20) having at least one band gap; at least on e periodicity defect so as to produce at least one narrow bandwidth inside said at least one band gap of sa...
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WO/2004/040695A1 |
The invention concerns a frequency multiband antenna comprising: a photonic bandgap material (142) having at least one band gap, one single periodicity defect (156) of the bandgap material so as to produce several narrow bandwidths withi...
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WO/2004/038855A1 |
A vehicle is provided with a glazing panel coated with a radiation-reflective coating layer and is adapted to have at least an antenna mounted behind the glazing panel. A window permeable to electromagnetic radiations is incorporated in ...
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WO2004019443A9 |
A communication system including an antenna array with feed network coupled to communication electronics. In one example, a communication subsystem comprises a plurality of antennas each adapted to receive an information signal and a plu...
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WO/2004/036689A1 |
A low profile, wide band gap antenna having a high impedance surface (10), the high impedance surface (10) includg a conductive plane (14) and an array of conductive elements (12) spaced from the conductive plane (14) by a distance which...
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WO/2004/036690A2 |
An inflatable antenna (10) has a plurality of inflatable tori (20a-20b) including a first toroidal member and a second toroidal member arranged one radially inward of the other. A front membrane (116) having a reflective coating (12) is ...
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WO/2004/034504A1 |
An artificial electro-ferromagnetic meta-material demonstrates the design of tunable band-gap and tunable bi-anisotropic materials. The medium is obtained using a composite mixture of dielectric, ferro-electric, and metallic materials ar...
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WO/2004/025783A1 |
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 antennas and low reflectivity structures. A...
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WO/2004/025777A1 |
A device for determining the suitability of a communications satellite antenna reception device site has a bubble level and inclinometer for orienting the device vertically and horizontally. The device also carries a magnetic compass and...
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WO2004008576B1 |
A spatial filtering surface (100) includes a dielectric substrate (106) and a plurality of spaced, geometrically configured, resonant elements (104) positioned on the dielectric substrate (106). The resonant elements (104) form concentri...
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WO/2004/023602A1 |
A reflector (1) comprising one or a plurality of pairs of array antenna. Each array antenna is formed by arranging a plurality of antenna elements on the surface of a waveguide. The array antennas are arranged in parallel to each other. ...
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WO/2004/017454A1 |
A method and a system for transforming between one or more point type sources and a line source in a transmission line structure. A transmission line path controller is inserted between a first parallel-plate waveguide section and a seco...
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WO/2004/013547A1 |
A dish assembly is disclosed which has a central hub (11), an outer rim member (12), and a plurality of concentric arcuate structural members (13) extending from the central hub to the outer rim member; the arcuate structural members bei...
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