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Matches 1 - 50 out of 3,095

Document Document Title
WO/2019/211446A1
The invention relates to a wire antenna (2) suitable for operating in at least one frequency band, including a plurality of stacked layers, including at least one radiating element (4) placed on a support layer (6), said support layer (6...  
WO/2019/198702A1
This electromagnetic wave propagation control member (5) is arranged at the edge of an opening through which an electromagnetic wave passes, and includes a groove defined with a conductor. The depth of the groove in a direction perpendic...  
WO/2019/182002A1
The purpose of the present invention is to provide a λ/4 type radio wave absorber that exhibits excellent durability. The present invention is a λ/4 type radio wave absorber comprising, in this order, a resistance coating containing mo...  
WO/2019/176845A1
The purpose of the present invention is to prevent generation of noise due to direct reception of an electromagnetic wave transmitted from a transmission antenna in a real-time transmission/reception device for transmitting and receiving...  
WO/2019/167009A1
The laminate consists of three juxtaposed blocks, with - a first electrically conductive block (15) to be arranged toward the inside of the aircraft in use. - a second electromagnetic intermediate absorber block (11), comprising a layer ...  
WO/2019/144980A1
A composite material, specifically a sandwich composite material (2) comprising at least three bonded layers which comprises a first conductive layer (3) behind which a first dielectric layer (4) is arranged, behind which a second conduc...  
WO/2019/139281A1
The present invention relates to a blocking wall for blocking individual antenna modules of a massive MIMO antenna from each other. A blocking wall according to one embodiment of the present invention is formed by arranging multiple stap...  
WO/2019/127938A1
A controllable wave-absorbing metamaterial, comprising: a substrate and a metamaterial unit array layer (2). The metamaterial unit array layer (2) is provided on the substrate; the metamaterial unit array layer (2) comprises multiple per...  
WO/2019/127935A1
An absorber of a three-dimensional metamaterial, comprising: a reflective layer (1); a wave absorbing layer (2) disposed above the surface on the top of the reflective layer (1); and multiple metamaterial unit array layers (3) disposed a...  
WO/2019/126821A1
Systems according to the present disclosure provide one or more surfaces that function as power radiating surfaces for which at least a portion of the radiating surface includes or is composed of "fractal cells" placed sufficiently close...  
WO/2019/114268A1
A sub-wavelength structure material that is compatible with the low detectability of infrared, laser and microwaves, from top to bottom sequentially comprising a metallic frequency selective surface layer I (1), a medium layer I (2), a m...  
WO/2019/064989A1
This tag reader can be applied to a chipless RFID tag having a plurality of resonance frequencies that are associated with identification information. The tag reader is provided with: a radiation unit that radiates electromagnetic waves ...  
WO/2019/060072A1
Parabolic reflector antennas advantageously utilize feed boom mounted dielectric lens structures to support enhanced radiation pattern control. A parabolic reflector antenna includes a dish reflector, a feed boom waveguide having a proxi...  
WO/2019/050921A1
A device includes a substrate (100) that includes a resonant cavity (125). The resonant cavity (125) includes dipolar molecules that have an absorption frequency. The resonant cavity (125) resonates at a frequency that is equal to the ab...  
WO/2019/051220A1
A method includes forming (202, 204, 206) layers of an oxide and a metal on a substrate. For example, the layers may include a metal layer sandwiched between silicon oxide layers. A non-conductive structure such as glass is then bonded (...  
WO/2019/029207A1
The present invention provides an electromagnetic absorption metamaterial having an upper surface in a working environment, comprising a periodic resonance unit array. The upper surface of the electromagnetic absorption metamaterial is p...  
WO/2019/014673A1
A novel wireless feed system is described which employs a plasmonic surface that is excited by one or more antennas. The plasmonic surface produces replicated currents within a plurality of cell elements that are closely-spaced electrica...  
WO/2019/008231A1
The disclosure relates to an electromagnetic-wave absorber (100) comprising a body (110) of porous material. The body (110) of porous material further comprises a first surface (101 ) for receiving electromagnetic waves (130) and, starti...  
WO/2018/235100A1
Disclosed herein an electromagnetic radiation purifying apparatus, system and method to minimize the negative impact of electromagnetic field radiations emitted by electronic equipments without blocking or deflecting them, wherein said a...  
WO/2018/236202A1
A device for protecting a biological body against the ionising and thermal effects of electromagnetic radiation and for protecting equipment that is sensitive to electromagnetic cyber attacks, comprises: a top layer formed by a plurality...  
WO/2018/230579A1
A lamp reflector (10a) is provided with: a mirror surface (11); and a laminate (12a). The mirror surface (11) is for reflecting light emitted from a light source (30) and guiding the light in a prescribed direction. The laminate (12a) co...  
WO/2018/223068A1
Nanocomposites in accordance with many embodiments of the invention can be capable of converting electromagnetic radiation to an electric signal, such as signals in the form of current or voltage. In some embodiments, metallic nanostruct...  
WO/2018/206862A1
The PCT patent application relates to a quantum product performance axis, a method comprising the use of graphene or soluble graphene oxide, characterised by the second function of the quantum world, the management of information and mov...  
WO/2018/203462A1
The present invention provides a wearable antenna device that provides a favorable directionality while minimizing increase in the thickness of the device. This wearable antenna device comprises: an antenna part (2) which is attached to ...  
WO/2018/164475A1
A meta-structure having complex properties according to an embodiment of the present invention comprises a plurality of unit blocks having properties to change wave characteristics and combined into a predetermined pattern on a plane or ...  
WO/2018/161182A1
The device comprises a metal body (30) as part of its frame (2), The metal body forms a lateral wall (40) and a separating wall (44) enclosing an interior space (42, 43). On a first side (32) of the metal body (30), a shielding structure...  
WO/2018/155876A1
Various embodiments of the present invention relate to an antenna device and an electronic device including the same. Specifically, various embodiments of the present invention relate to an antenna device for providing short-range wirele...  
WO/2018/146651A1
Thermal multi-layer insulation (MLI) and radio-frequency (RF) absorber blanket comprising: an upper layer comprising a patterned frequency-selective structure (FSS) sheet tuned in function of the RF frequencies to be absorbed; one or mor...  
WO/2018/117431A1
Disclosed is an antenna module designed to minimize the resistance of radiation patterns by forming the radiation patterns on both sides or one side of a corresponding area according to the relative position of the area to an insertion h...  
WO/2018/082748A1
The invention relates to a device for conditioning an electric direct current or alternating current circuit, having a first wire coil (21), which is connected to the minus pole (26) of the direct-current circuit or a phase conductor of ...  
WO/2018/084234A1
The present invention realizes an electromagnetic-wave-absorbing sheet that can satisfactorily absorb high frequency electromagnetic waves of the millimeter wave band or greater, and that has excellent flexibility and can easily be place...  
WO/2018/076772A1
The utility model provides an antenna housing, an antenna structure and an antenna system. The antenna housing comprises: a housing body and a wave absorbing part. An inner wall surface of the housing body is coated with the wave absorbi...  
WO/2018/074912A1
The present invention concerns a multistatic radar made from metamaterials and a method for calibration of same, for detecting objects and their distances, which objects are considered as electromagnetic reflectors. The radar is characte...  
WO/2018/069631A1
A multiple phase shifter for electromagnetic waves, having a plurality of phase-shifting modules (1, 2) each comprising at least two homothetic loops (3, 4, 5, 6), electrically insulated from each other and connected together by two dist...  
WO/2018/064836A1
Disclosed in the present invention is a frequency selective surface (FSS); the FSS is composed of a plurality of FSS units uniformly arranged; each FSS unit comprises a dielectric board, a cross-shaped metal patch, and N square ring-shap...  
WO/2018/056765A1
Disclosed is an antenna module wherein a radiation pattern for near-field communication and a radiation pattern for electronic payment are formed on a flexible printed circuit board and then are coupled to a magnetic sheet, thereby imple...  
WO/2018/053092A1
Provided herein are conductive formulations wherein graphene has been added into the metal system, thereby reducing curing shrinkage and improving flexibility, without significantly affecting the EMI shielding performance thereof. In acc...  
WO/2018/048520A1
Multi-band phased array antennas include a backplane, a vertical array of low-band radiating elements that form a first antenna beam, first and second vertical arrays of high-band radiating elements that form respective second and third ...  
WO/2018/010007A1
A combination of a media display and an electronic article surveillance (EAS) detection system is provided for use with an RF security tag, the combination comprising: a base for retaining a power supply, housing a system controller and ...  
WO/2018/004491A1
The invention is a textile embodiment comprising a textile layer (1) formed of knitted or woven fabric providing safe concealment by preventing detection by radar devices, and it is characterized in that; it comprises an anti-radar coati...  
WO/2017/212047A1
The invention relates to a wire antenna capable of operating in at least one predetermined band of frequencies, comprising a plurality of superposed layers, comprising at least one radiating element (4) placed on a support layer (6), sai...  
WO/2016/186444A8
A shield unit for wireless charging and a wireless power transmission module comprising the same are provided. The shield unit for wireless charging, according to an exemplary embodiment of the present invention, comprises: a first sheet...  
WO/2017/188210A1
In the present invention a plurality of antennas 3a-3e having mutually different resonance frequencies are formed on a base material 2, and among these antennas 3a-3e, a resin layer 4, comprising a sealant for sealing the antennas 3a-3e ...  
WO/2017/164483A1
An electromagnetic wave absorber comprises: a first layer including a first reinforced fiber impregnated within a first substrate; and a second layer stacked on the first layer, and including a second substrate and a second reinforced fi...  
WO/2017/162973A1
One subject of the present invention is an electromagnetic-wave-absorbing composite material comprising a carrier matrix (11) and an electromagnetic-wave-absorbing filler (12). According to the invention, the carrier matrix (11) is a cor...  
WO/2017/157218A1
The present invention relates to an antenna, capable of improving a front-to-back ratio and cross polarization isolation under the condition of not changing the structure of a reflection plate. The antenna comprises an antenna oscillator...  
WO/2017/157217A1
A wave-absorbing metamaterial, an antenna cover and an antenna system, capable of realizing reflectivity reduction under the conditions of vertical incidence and large-angle incidence. The wave-absorbing metamaterial comprises a magnetic...  
WO/2017/157216A1
Provided is a dual-polarized antenna, capable of improving a front-to-back ratio under the condition of not changing an antenna structure remarkably. The dual-polarized antenna comprises an antenna oscillator and a reflection plate. The ...  
WO/2017/139280A1
A solar control film having a frequency selective surface is provided. The frequency selective surface includes two layers. The first layer and the second layer which includes a metal surface. The frequency selective surface provides at ...  
WO/2017/086715A1
The present invention relates to an ultra-wideband dual circularly polarized module to be applied to a satellite communication antenna for enabling wideband electric wave transmission and reception and, more specifically, to an ultra-wid...  

Matches 1 - 50 out of 3,095