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Matches 1 - 50 out of 3,031

Document Document Title
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/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...  
WO/2017/081230A1
A wind turbine blade comprising a system for monitoring the deflection of a wind turbine blade is described. The system comprises a wireless range-measurement system, having at least one wireless communication device located towards the ...  
WO/2017/078404A1
Provided are shape-anisotropic magnetic particles, an electromagnetic wave absorbing sheet including the same, and an antenna module including the same. The shape-anisotropic magnetic particles are produced by a method comprising the ste...  
WO/2017/061772A1
A multifunctional hybrid module is provided. A multifunctional hybrid module according to one embodiment of the present invention is implemented as a multifunctional hybrid module comprising: an antenna unit comprising different types of...  
WO/2017/028793A1
A wave-absorbing metamaterial. The wave-absorbing metamaterial comprises: a substrate (11) and an electromagnetic loss material (12) attached to a surface of the substrate (11), wherein the electromagnetic loss material (12) has a hole s...  
WO/2017/028794A1
Disclosed is a Terahertz metamaterial. The Terahertz metamaterial comprises a substrate; and an electromagnetic loss resonant ring structure arranged on the substrate, wherein a Terahertz electromagnetic modulation function is achieved b...  
WO/2017/008709A1
A wave absorber structure, comprising a metal bottom plate (1) and an dielectric loss body (2) covering one surface of the metal bottom plate (1). Since the dielectric loss body (2) has high dielectric loss, compared with a common low-lo...  
WO/2016/209181A1
With the present invention, a broadband and low-weight radar absorber (R) is provided which absorbs radar signals. Said radar absorber (R) comprises at least one base layer (1); at least two spacing layers (2) located on the said base la...  
WO/2016/200061A1
The present invention relates to a unit cell of an electromagnetic wave absorber and, more specifically, to a unit cell of a broadband electromagnetic wave absorber that forms a closed loop in a waveform that crosses four sides of a virt...  
WO/2016/186444A1
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/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/2016/153445A1
With the present invention, there is provided an elastomeric radar absorbing material (R) which is suitable to be attached to an outer surface of a platform and which absorbs incident electromagnetic wave and a method of manufacturing th...  
WO/2016/135689A1
Described is a composite material contrasting the harmful effects of electromagnetic waves in short wave, microwave and ultra-short wave fields; comprising a first plastic and/or metal component and a second component comprising shungite.  
WO/2016/128625A1
Electromagnetic or magnetic fields are radiation of wasted energy or pollution, electromagnetic and magnetic radiation. In order to regulate these effects, the invention uses graphene oxide or graphene which has novel, discovered piezo e...  
WO/2016/126449A1
According to various aspects, exemplary embodiments are disclosed of thermally-conductive EMI absorbers that generally includes thermally-conductive particles, EMI absorbing particles, and silicon carbide. The silicon carbide is present ...  
WO/2016/104953A1
According to one aspect of the present invention, provided are an antenna fixture, which fixes a donor antenna and a service antenna, and a relay, the antenna fixture comprising: a base plate having a donor antenna fixed to one surface t...  
WO/2016/089623A1
In one embodiment, an antenna assembly includes a reflector antenna whose aperture is covered by a radome. The radome has a principle plane corresponding to the azimuth axis of the antenna. The radome has a bulk material and a pair of ab...  
WO/2016/081775A1
Method and apparatus for making volumetric electromagnetic components are disclosed. Material accretion devices or apparatus such as a 3D printer can be used to form the volumetric electromagnetic components. The volumetric electromagnet...  
WO/2016/081929A1
A method for fabricating nanoscale patterned oxide substrates and devices incorporating the substrates are provided. Highly periodic or non-periodic sinusoidal patterns and other fine oxide patterns are formed on the surface of a suitabl...  
WO/2016/073440A1
In one embodiment, an antenna system includes a device for attenuating undesirable radiation from an antenna. The device includes a perimeter plate adapted to be located around the perimeter of the antenna. The perimeter plate has one or...  
WO/2016/073536A1
A tunable electromagnetic radiation device that includes a wavelength selective structure comprising a plurality of layers. The plurality of layers includes a compound layer comprising a plurality of surface elements, an electrically iso...  
WO/2016/073537A1
A wavelength selective structure for selectively reflecting or absorbing incident electromagnetic visible or infrared radiation. The wavelength selective structure includes a wavelength selective structure with a plurality of layers, inc...  
WO/2016/062344A1
The invention is related to a fast and accurate method for the design of broadband multi layered radar absorbing structures comprising of lossy FSS layers. The method comprises of four main steps, namely; candidate FSS types characteriza...  
WO/2016/061021A1
Shroud isolation, including choke shroud isolation, apparatuses for wireless antennas for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals, and integrated reflectors including a shroud or choke s...  
WO/2016/025009A1
An electromagnetic field measuring device utilizes metamaterials to manipulate electromagnetic fields. Such a device is useful in a variety of applications including, for example, downhole gradiometric ranging.  
WO/2016/020580A2  

Matches 1 - 50 out of 3,031