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Matches 501 - 550 out of 7,378

Document Document Title
WO/2015/041768A1
According to various aspects, exemplary embodiments are disclosed of antenna systems. In an exemplary embodiment, an antenna system generally includes a ground plane and first and second antennas. A first isolator is disposed between the...  
WO/2014/210506A3
A metal plate of small, reflective cells of varying, random (within a limited rage) heights that reflect radio frequency energy such that individual reflective paths are of random length, adding neither constructively nor destructively, ...  
WO/2015/026897A1
An antenna includes a first body having an array of resonators; a spacer adjacent to the first body, and a second body adjacent to the spacer such that the spacer is between the first and second bodies. The first body can be configured a...  
WO/2014/189570A3
A method is provided that includes measuring amplitudes and phases of signals reflected off a reflector of a satellite, with the amplitudes and phases forming a first set of measurements. The method includes calculating an element correl...  
WO/2015/023801A1
An antenna assembly includes a first active antenna element and a second active antenna element, each of which may be a dipole. A first set of independently-switchable radio-frequency reflectors are positioned around at least the first a...  
WO/2015/012942A1
A rotationally polarized antenna includes a radiating element that is held in a skewed orientation with respect to an underlying polarization-dependent electromagnetic band gap (PDEBG) structure. The radiating element and the PDEBG struc...  
WO/2015/012940A1
A front feed reflector antenna with a dish reflector has a wave guide is coupled to a proximal end of the dish reflector, projecting into the dish reflector along a longitudinal axis. A dielectric block may be coupled to a distal end of ...  
WO/2015/004232A1
A method for manufacturing a communication device to operate in near field and communication device thereof In the method said communication device comprises a metamaterial guiding structure and at least onefeed point, the method compris...  
WO/2015/004582A1
The present invention refers to a novel process for obtaining parabolic reflectors, or in the form of paraboloids of rotation, of electromagnetic waves, to be installed on mobile satellite antennas for terrestrial, aerial and naval use, ...  
WO/2015/004411A1
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 electrically isolated capacitive elements (40) enclo...  
WO/2014/096868A8
An antenna system includes a plurality of antenna assemblies. The antenna assemblies include a driven component and a director array to increase the gain of the antenna assembly. For each antenna assembly of the plurality of antenna asse...  
WO/2014/206649A1
The present invention relates to a polarisation device (10) for a satellite telecommunications antenna (11) comprising at least one frequency selective layer (12) able to convert a linear polarisation (E), comprising two components (Ex, ...  
WO/2014/197926A1
A terrestrial data communications wireless link includes a first link end that has a first directional antenna, a first beacon and a first redirecting assembly coupled to the first directional antenna. The wireless link also includes a s...  
WO/2013/190532A3
The present invention relates to a circularly polarized directional helical antenna (30) that is capable of being used in RFID devices and more particularly in RFID readers. Said antenna is intended to transmit or receive signals in a pr...  
WO/2014/192784A1
This EBG structure is provided with: a ground substrate; a first dielectric layer laminated upon said ground substrate; a first conductor pattern laminated upon said first dielectric layer, and having an outer edge and an inner edge, sai...  
WO/2014/192845A1
This MIMO communication system includes a transmitter and a receiver, and forms line-of-sight orthogonal transmission lines between transmitter-side transmitting antennas and receiver-side receiving antennas. The MIMO communication syste...  
WO/2014/193116A1
A phase lag cell and an antenna including the same are disclosed. A phase lag cell according to one embodiment of the present invention comprises: a plane reflector; a substrate spaced apart and positioned at a predetermined distance fro...  
WO/2014/193257A1
Disclosed is a lens antenna comprising a dielectric lens consisting of a collimating part and an extension part, and an antenna element. The extension part of the lens comprises a substantially flat surface crossed by the axis of the col...  
WO/2014/068342A8
The present invention relates to radio technique, namely to space structures, for example, large deployable space reflectors (symmetric, asymmetric, offset and other type of reflectors), radio and optical telescopes, sun-concentrators an...  
WO/2014/068538A8
A large deployable reflector (1) for an antenna suitable for being installed on board a satellite (2) and provided with a support structure (6), a parabolic mirror (5a) carried by the support structure (6) and a connection arm (7) for mo...  
WO/2014/145701A3
An automatically deployable, portable communications system includes an inflatable antenna stored in a case that also houses the antenna support assembly, drive mechanisms, inflation control modules, power supply modules and a control sy...  
WO/2014/182398A1
An electromagnetic invisibility cloaking device with a broadened cloaking bandwidth and/or a tunable frequency of operation. The cloaking device includes an object (e.g., antenna) and a metasurface (301) that conforms to the surface desi...  
WO/2014/182450A1
An antenna includes a radiator and a reflector and has a radiation pattern that is based at least in part on a separation distance between the radiator and the reflector. The antenna includes a linkage configured to adjust the separation...  
WO/2014/171866A1
The object of the present invention is to provide a protective arrangement for protection of receiving and/or transmitting devices against High Power Microwaves, wherein the protective device comprises; a conductive layer, a breakdown re...  
WO/2014/170270A1
A dish-shaped element (10), such as a parabola, for use in an antenna for receiving and/or transmitting information, the element comprising a dish-shaped part (12) having a first side and a second side opposite to the first side as well ...  
WO/2014/114953A3
There is disclosed a directional multi-band antenna comprising:a primary reflector, at least one secondary reflector, a multi-layer dielectric layer selectively reflective or transmissive of incident radiation according to wavelength, th...  
WO/2014/166869A1
The present invention relates to a metal-coated windowpane (FS) for use in vehicles (F), particularly rail vehicles, such as trains or trams, and to a vehicle (F) equipped with such windowpanes (FS). The windowpane (FS) has a transparent...  
WO/2014/012087A3
Some implementations provide a composite material that includes a first material and a second material. In some implementations, the composite material is a metamaterial. The first material includes a chiral polymer (e.g., crystalline ch...  
WO/2014/161042A1
An orthogonal mode transducer including: an elongated waveguide conduit for projecting orthogonal polarisation transmissions, the conduit having a proximal emission source end and a distal mouth end having an aperture for signal transmis...  
WO/2014/161610A1
A method (400) for positioning a first and a second radio antenna comprising the steps of configuring (SI) the first antenna to have a main lobe L1 and configuring (52) the second antenna to be a directive antenna having a main lobe L2. ...  
WO/2014/158506A1
A polarization adjustment assembly for a reflector antenna is provided with a radio bracket with a mounting flange. The mounting flange is coupled to a hub provided with a stop portion. Fasteners couple the radio bracket to the hub via s...  
WO/2014/149659A1
Systems and methods are disclosed herein for a reconfigurable faceted reflector for producing a plurality of antenna patterns. The reconfigurable reflector includes a backing structure, a plurality of adjusting mechanisms mounted to the ...  
WO/2014/148597A1
An antenna device includes a dielectric substrate and a conductor. The antenna device is provided with: an antenna element disposed on a principal surface of the dielectric substrate and having directionality forward of the principal sur...  
WO/2014/139067A1
A cylindrical electromagnetic wave cloaking device, comprising: six first dielectric units (3, 4, 5, 6, 7, 8) and six second dielectric units (10, 11, 12, 13, 14, 15), wherein the first dielectric units (3, 4, 5, 6, 7, 8) and the second ...  
WO/2014/145886A1
A dielectric plate for use with a source of electromagnetic radiation of a predetermined frequency propagating along a propagation path is provided. The dielectric plate may include alternating elongate parallel first and second dielectr...  
WO/2014/144503A1
Disclosed is an optical waveguide body having a first surface that includes one or more tapered portions displaced between an input surface and an end surface or edge of the waveguide body. A second surface displaced from and opposite th...  
WO/2014/142294A1
[PROBLEM] To provide a metal-plate lens that can be easily created even for high-frequency bands. [Solution] Metal plates (10a-15b) are disposed parallel to the x-z plane so as to be stacked at predetermined intervals, where the z axis i...  
WO/2014/136595A1
A structure equipped with: first and second conductor planes that are arranged on different layers and face each other; first transmission lines (103) that are formed on a different layer from those of the first and second conductor plan...  
WO/2014/127422A1
A medium to high power wideband antenna waveguide feed for interconnecting electromagnetic signals to a coaxial output antenna waveguide, the feed including: a first input feed inputting a first polarised electromagnetic signal; a second...  
WO/2014/127813A1
The present invention relates to deployable support structures for space applications, such as deployable reflector antennas, solar reflectors, or concentrators. A deployable support structure comprising a polyhedron truss is proposed. T...  
WO/2014/125716A1
A speed sensor aligning the normal direction of a one-patch antenna arranged on a mounting substrate and the optical axis of a dielectric lens uses a frame for tilting a sensor module, in order to obtain a progress direction component (c...  
WO/2014/127292A1
Collapsible support structures and methods of making collapsible support structures which interconvert between a deployed condition and a collapsed planate condition which allows extensible retractable deployment of the collapsed structu...  
WO/2014/121751A1
A low complexity/cost beamsteering antenna includes a central line feed affixed to a radial waveguide structure, radiating elements positioned along the circumference of the radial waveguide structure, and a plurality of active elements ...  
WO/2014/114954A1
There is disclosed A directional multi-band antenna, the antenna comprising: -an optical unit comprising an optical sensor;-an RF unit comprising an RF sensor;-a substantially planar optical lens, the optical lens comprising surface reli...  
WO/2014/115312A1
[Problem] The present invention addresses the problem of providing a phase conversion device for electromagnetic waves which is capable of attenuating the effects of electric and magnetic fields of electromagnetic waves. The present inve...  
WO/2014/080360A3
The present invention relates to a miniaturized patch antenna assembly in UHF frequency band. The invention is notably useful in RFID applications. The patch antenna assembly comprises: - a multilayered dielectric substrate including at ...  
WO/2014/110464A2
A composition for energy dissipation in at least a portion of the frequency range of 1 GHz to 20 GHz, the composition can comprise a dielectric and graphene mixed with at least a portion of the dielectric, wherein the percentage volume o...  
WO/2014/110463A2
A composition for destructive interference in at least a portion of the frequency range from 1 GHz to 20 GHz can comprise a dielectric and a conductive filler mixed with at least a portion of the dielectric, wherein the percentage volume...  
WO/2014/107683A2
A tracking antenna system for discrete radio frequency spectrums includes a reflector, a pedestal supporting the reflector, a radome assembly enclosing both, a first feed for gathering radio waves within a first of discrete RF spectrums ...  
WO/2014/025425A3
Metamaterial devices and methods of using the same are disclosed. According to an aspect, a method comprises illuminating a scene with one or more illumination field patterns; observing the illuminated scene with one or more measurement ...  

Matches 501 - 550 out of 7,378