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WO/2003/041214A1 |
The module (8) comprises an input&sol output access point (10) at a first end of a waveguide with a square cross section, called a square waveguide, two access points (11A, 11B) made of waveguides with a rectangular cross section, called...
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WO/2003/036758A1 |
A method of making a frequency selective surface in an electromagnetic energy attenuating coating having an electrical resistance, including the steps of defining a first marking field and a first marking tolerance; defining a second mar...
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WO/2003/034538A1 |
A novel loaded antenna is defined in the present invention. The radiating element of the loaded antenna consists of two different parts: a conducting surface and a loading structure. By means of this configuration, the antenna provides a...
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WO/2003/034543A1 |
A reflector antenna system having a diplexer for providing isolation between transmitted and received signals, which eliminates the need for a diplexer to be inserted into the waveguide or coax transmission line coupling the antenna syst...
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WO/2003/032438A1 |
A microstructured material consists of an array of Swiss roll resonant elements having capacitance and inductance such that the structure exhibits a predetermined magnetic permeability at r.f. frequencies, wherein at least one of the elo...
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WO/2003/030303A1 |
A small−sized and lightweight radio wave lens antenna apparatus which has a high degree of freedom to select installation sites, compactly installed on wall faces, and mitigated in installation restrictions in space. A semispherical Lu...
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WO/2003/030298A1 |
A magnetic interface generator (400) generates a magnetic interface (410) at a center frequency f¿0?. The magnetic interface generator (400) is a passive array of spirals that are deposited on a substrate surface. The magnetic interface...
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WO/2003/028157A1 |
The invention concerns a broadband or multiband antenna for microwaves, comprising a reflector plane (R) and at least a radiating element (ER) arranged proximate to the reflector plane (R). A assembly of photonic forbidden band material ...
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WO2002097917B1 |
An inflatable, multifunction, multipurpose, parabolic reflector apparatus having a plurality of manufactured parabolic mirrors (14, 16) made from a pressure-deformable reflective covering of an inflatable ring (12) for focusing electroma...
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WO/2003/028155A1 |
An electromagnetic wave marker comprises an almost rodlike receiving antenna for receiving electromagnetic waves, a frequency conversion circuit for multiplying the frequency of an electromagnetic wave, an almost platelike transmission a...
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WO/2003/028154A1 |
A flat metal plate (20) has a plurality of holes (50) that have a property that changes across the surface of the plate so that the flat plate (20) mimics the behavior of a curved wavefront transformer. The changing property can include ...
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WO/2003/023584A1 |
A card−shaped medium which can easily be attached and detached into&sol from a computer slot is easily stolen. Mounting holes (14, 15) are formed at a rear side (13) of a PC card (10) exposed when the PC card (10) is mounted in a slot ...
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WO/2003/019726A2 |
An antenna and antenna excitation method. The inventive antenna includes a cylindrical array (20) of radiating elements. Each of the elements is mounted at a predetermined substantially transverse angle relative to a longitudinal axis. A...
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WO/2003/019725A1 |
A variable beamsplitter (10) for use with quasi-optical millimeter-wave beams. The beamsplitter (10) consists of a circular metal plate (20) into which a periodic array (30) of rectangular slots is cut. The plate (20) is arranged so that...
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WO/2003/016962A1 |
Disclosed is a lens of gradient dielectric constant and methods for the production of same. The lens includes an inner core comprising a cured or fused substantially homogenous blend of glass spheres, curable or fusible binder and, as ne...
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WO/2003/017423A1 |
A device substantially transparent to electromagnetic radiation of a certain frequency band is presented. The device comprises at least one dielectric structure of a predetermined thickness defined by the central frequency of the operati...
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WO2002096166A9 |
A phased-array antenna system and other types of radio frequency (RF) devices and systems using microelectromechanical switches ("MEMS") and low-temperature co-fired ceramic ("LTCC") technology and a method of fabricating such phased-arr...
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WO/2003/007429A1 |
An antenna system for receiving both circularly polarized electromagnetic signals and linearly polarized electromagnetic signals, the circularly polarize signals arriving at the antenna system from a direction normal or oblique to a majo...
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WO/2003/007426A1 |
An improved low-angle radiation antenna is obtained through excitation of a tangential electric field on the high-impedance surface, as well as leaky transverse-electric surface waves. Such fields and surface waves cannot normally occur ...
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WO/2003/007427A1 |
A flexible antenna array comprises a plurality of layers of thin metal and a flexible insulating medium arranged as a sandwich of layers. Each layer of the sandwich is patterned as needed to define: (i) antenna segments patterned in one ...
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WO/2003/003517A1 |
The deployable space reflector antenna 'E.V.M.' comprises a tensioned frame and a deployable dome frame attached to the tensioned frame by means of connection joints at the outside of its periphery. The tensioned frame and the deployable...
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WO/2002/103846A1 |
An antenna (100) comprises a conductive member (102) having an opening (104) for radiating an electromagnetic signal. A circuit board (122) is spaced apart from the conductive member (102) by less than one-quarter wavelength of the elect...
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WO/2002/102584A1 |
A composite material (10) has a host dielectric (12) with an artificial plasmon medium (14) imbedded in the host. The artificial plasmon medium has a dielectric function of less than 1, and a plasma frequency selected to result in the pe...
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WO/2002/101880A1 |
The deployable antenna with the tensegrity support structure (24) and mounting frame (30,31) has improved specific mass, compact stowage volume and high deployment reliability. The reflector (32) is mounted to the tensegrity support stru...
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WO/2002/097923A1 |
The invention relates to radio engineering, namely, to antenna systems. The purpose of the invention is improvement of efficiency synthesizing of both sector polar patterns in a wide range of azimuthal angles and pencil−beam polar patt...
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WO2002013314B1 |
The back-up structure of a parabolic dish antenna, which supports its reflecting surface, is formed in this invention by preloading its radial and circumferentially placed straight structural members and hence it is termed as preloaded p...
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WO/2002/089256A1 |
An electronically reconfigurale artificial magnetic conductor (RAMC) includes a frequency selective surface (FSS) having an effective sheet capacitance which is variable to control resonant frequency of the RAMC(1600). In one embodiment,...
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WO/2002/087018A1 |
The invention relates to a device for exciting a centrally focused reflector antenna, comprising a waveguide (1), a dielectric field transformer (2) arranged on said waveguide (1) and a mounting platform (3) for a series of modules (8) w...
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WO/2002/087013A1 |
A combination RF and optical beam steerer comprising an optically transparent substrate having first and second major surfaces, the first surface having disposed theron an array of conductive elements associated with a radio frequency be...
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WO/2002/087012A1 |
An antenna device for a small communication module providing increased bandwidth as well as a method for obtaining such an arrangement are disclosed. The invention combines characteristics of Planar Inverted F Antennas (PIFA) and High Im...
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WO/2002/084801A1 |
An apparatus performs dual circular polarization in a flat plate antenna simultaneously, and does not require more than two meander line polarization layers. A first linear polarization layer and a second linear polarization layer includ...
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WO/2002/084796A1 |
A two-layer polarizer comprising a first substrate having formed on a major surface thereof a first conductive meander line array and a second substrate having formed on a major surface thereof a second conductive meander line array. The...
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WO/2002/085083A1 |
The invention relates to a technical device (1), preferably a radar antenna comprised of at least one supporting part (2) and of at least one flexible printed circuit board (3) and/or to a technical device (1) comprised of at least one s...
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WO/2002/071544A1 |
A surface structure with preselected magnetic permeability in the plane of the surface comprises an array of elements consisting of multi-turn helical loops made for example by tracks (10, 11) on a printed circuit board plated through fo...
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WO/2002/071545A1 |
A device for receiving/transmitting electromagnetic signals from/to at least two satellites fixedly located at points at the geostationary path comprises an antenna, for example a lens (1) of waveguide nature. The antenna images remote p...
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WO/2002/069441A1 |
The invention relates to a device forming an electromagnetic reflector, comprising an unfoldable support frame (100) bearing at least one fabric element (200) which forms a reflector surface when unfolded, characterized in that the unfol...
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WO/2002/069447A1 |
The invention provides an artifical magnetic conductor (AMC) system (100) and method for manufacturing. The AMC has a post plane (104) with posts (106) and slots. The posts (106) are operatively disposed adjacent to conductive shapes (11...
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WO/2002/063710A2 |
An optimal configuration for at least one antenna and/or at least one frequency selective surface is generated. (Fig. 1) A configuration of elements is generated by selecting a simple configuration of at least one element and applying a ...
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WO/2002/063788A1 |
A portable telephone such that the radiation efficiency during conversation is improved, the quality of communication is high, especially the complicated structure including a magnetic plate and its fixing member is not disposed in a nar...
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WO/2002/061882A1 |
The invention concerns a reflector and a satellite antenna system comprising such a reflector. In the satellite antenna system, microwave radiation from one or more feed horns (5) is emitted at the reflector (1), which comprises first an...
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WO/2002/060003A2 |
Reflector dish having a reflective surface for reflecting incident radiation to a focal region and a receiver for receiving radiation reflected by the reflective surface. A reflective surface support (26) supports the reflective surface....
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WO2001002150A9 |
A technique for manufacturing a domed housing, including a transreflector element for use in a microwave antenna. The dome incorporates a metallic polarizing grid as part of a complex curved shape using an insert mold process. As a resul...
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WO/2002/050954A2 |
A microwave horn antenna structure suitable for use in time of flight ranging systems and level measurement instruments. The horn antenna comprises a high gain antenna with a small aperture. The horn antenna includes a dielectric lens fo...
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WO/2002/050947A1 |
Communications apparatus has a plurality of nodes each of wich is capable of communicating with plural other nodes via point-to-point wireless transmission links between the nodes. At least one of the nodes has at least one antenna that ...
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WO/2002/049984A1 |
A transparent ceramic which is represented by the general formula I: Ba{(Sn¿u?Zr¿1-u?)¿x?Mg¿y?Ta¿z?}¿v?O¿w?, the general formula II: Ba(Zr¿x?Mg¿y?Ta¿z?)¿v?O¿w?, or the general formula III: Ba{(Sn¿u?Zr¿1-u?)¿x?(Zn¿t?Mg¿1-...
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WO/2002/049147A2 |
An antenna assembly (30) for a communication device (20) includes a feed structure (25), which has front and rear sides (26, 27), and which is coupled to be driven by the device so as to radiate an electromagnetic field in a given freque...
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WO/2002/049146A2 |
A radiation shield (36) includes a virtual magnetic wall (VMW), which is adapted to be placed between a radiating antenna (34) and an object (30) so as to reflect electromagnetic radiation emitted from the antenna in a given frequency ba...
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WO/2002/047206A1 |
The present invention relates an antenna arrangement (23, 330, 430, 530, 630) comprising a first layer (331, 431, 531, 631) consisting of a dielectric material and a second reflective layer (335, 435, 535, 640). The dielectric material h...
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WO/2002/045207A2 |
A beam forming low profile scanning antenna system is provided comprising a radiating element (11) for radiating signals and a pair of panels (13 and 15) each having an array of phase-inducing transmitting resonant elements (21) on a pai...
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WO/2002/041448A1 |
A reflector is provided, which advantageously combines the functions of an optical reflector and a radar reflector, enabling objects with a low inherent radar cross-section to be reliably detected by automotive navigation systems.
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