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WO/2020/251186A1 |
According to various embodiments, an electronic device may comprise: a housing; an antenna structure disposed in an inner space of the housing, the antenna structure including a printed circuit board having a first surface and a second s...
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WO/2020/244995A1 |
The present invention relates to an electromagnetic millimetre wave absorber material, preferably having a volume resistivity of more than 1 Ωcm, containing solid particles having an aspect ratio (length:diameter) of at least 5 of a fir...
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WO/2020/244994A1 |
The present invention relates to an electromagnetic millimetre wave transmission reducing material, preferably having a volume resistivity of more than 1 Ωcm, containing particles of at least an electrically conductive, magnetic or diel...
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WO/2020/240547A1 |
A radome shell for shielding a radio-frequency (RF) antenna, the radome shell comprising one or more layers of dielectric material. At least one layer comprises a plurality of repetitive gaps, and at least one of width, length and depth ...
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WO/2020/230708A1 |
Provided is a radio wave absorber containing a magnetic powder and a binder, wherein the volume filling rate of the magnetic powder in the radio wave absorber is 35 vol% or less, and the volume filling rate of carbon components in the ra...
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WO/2020/230680A1 |
The present invention provides a radio wave absorber which contains a powder of a hexagonal ferrite and a binder, and which has a squareness ratio within the range of from 0.40 to 0.60.
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WO/2020/230709A1 |
Provided is a radio wave absorber containing a magnetic powder and a binder, wherein the volume filling rate of the magnetic powder in the radio wave absorber is 35 vol% or less, and the radio wave absorber has a transmission attenuation...
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WO/2020/228295A1 |
The present application relates to the technical field of communication, and disclosed thereby are an antenna assembly and a communication apparatus. The antenna assembly comprises a circuit board, a main antenna and an auxiliary antenna...
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WO/2020/231395A1 |
The present subject matter relates to examples of an antenna assembly that may include a SAR correction element. The antenna assembly may include a radiation body that can have transceiver portion and non-transceiver portion, such that t...
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WO/2020/208682A1 |
An antenna device (1) is configured so as to be provided with: a conductive bottom board (11); an antenna (13) disposed, out of two surfaces (11a), (11b) of the bottom board (11), on the side of the surface (11a) on which radio waves are...
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WO/2020/207364A1 |
An apparatus for reducing interference of an antenna from a wireless electromagnetic wave. A blocking surrounding method having electromagnetic wave inlet and outlet is adopted, and an electromagnetic wave blocking material (such as a me...
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WO/2020/203942A1 |
An impedance matching membrane 10 contains a metal element and a non-metal element. The impedance matching membrane 10 has a thickness of 10-200 nm. The impedance matching membrane 10 has a sheet resistance of 200 Ω/□ or more. In the ...
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WO/2020/202939A1 |
An objective of the present invention is to provide a 5G communication antenna array demonstrating excellent heat radiation and crosstalk suppression effect. To solve the problem, this 5G communication antenna array 1 comprises: a subs...
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WO/2020/196356A1 |
The present invention addresses the problem of providing a λ/4 type radiowave absorber capable of maintaining higher radiowave absorbability even in a use scene subject to condensation (preferably, a use scene in which droplets produced...
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WO/2020/196420A1 |
The present invention addresses the problem of providing a λ/4 type radio wave absorber that has higher bending resistance at low temperatures. The problem is solved by a λ/4 type radio wave absorber that comprises a resistive film, a ...
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WO/2020/179349A1 |
An aspect of the present invention provides an electromagnetic wave absorption film that is less susceptible to the surrounding environment. An electromagnetic wave absorption film 10 comprising: a planar base 20; a first electromagnet...
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WO/2020/175021A1 |
Provided is an electronic device-protecting device. This electronic device-protecting device is equipped with a sensing unit, a response unit and an analysis control unit. The sensing unit is configured so as to detect incident rays whic...
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WO/2020/174337A1 |
A radar radiation redirecting inhibition layer for reducing radar cross section (RCS) of radar radiation redirection pavement marking tapes, pavement marking cover tapes incorporating such layer and methods of use are described.
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WO/2020/162314A1 |
This antenna unit, which is used installed facing a window glass for a building, is provided with a radiating element, a reflective member which reflects electromagnetic waves irradiated from the radiating element to outdoors, and a supp...
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WO/2020/161626A1 |
An antenna array (100) for through wall imaging includes a plurality of antennas (102) configured to transmit and receive a plurality of signals to and from, respectively, a plurality of targets (90) across an obstruction (95); and a plu...
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WO/2020/138190A1 |
The present invention addresses the problem of providing a wave absorber that has a good radio wave absorbing property with respect to diagonal incidence, particularly diagonal incidence of radio waves at around 60 GHz. The problem is so...
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WO/2020/138194A1 |
The present invention addresses the problem of providing a wave absorber that has a good wave absorption property with respect to diagonal incidence, particularly diagonal incidence of radio waves around 79 GHz. The problem is solved by ...
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WO/2020/136059A1 |
The invention relates to a method for integrating a network antenna (A) into a medium (M), the antenna comprising a plurality of radiating elements (ERT) that ensure the transition between the antenna and the medium, the reflectivity of ...
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WO/2020/127719A1 |
A tile for reducing a radar wave reflection from a surface, the tile being a flexible surface sheet which is adhesively attachable to the surface, wherein the flexible surface sheet reduces the radar wave reflection from the surface at a...
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WO/2020/122150A1 |
An impedance matching film 10 includes, as a main component, a mixture of indium oxide and tin oxide having an amorphous structure. The impedance matching film 10 for impedance matching has a Hall mobility of 5 cm2/(V·s) or more. The im...
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WO/2020/123500A1 |
Disclosed are exemplary embodiments of electromagnetic interference (EMI) absorbers. Also disclosed are exemplary methods of mitigating EMI. In exemplary embodiments, EMI absorbing structures or EMI absorbers may be exterior to or along ...
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WO/2020/111159A1 |
The present invention provides a light-weight and flexible sheet-like electric wave absorber particularly having an excellent electric wave absorption performance in the frequency of a quasi-millimeter wave band. This quasi-millimeter wa...
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WO/2020/084841A1 |
An antenna module provided to a vehicle, wherein the antenna module is equipped with: an array antenna for forming a beam directed towards the vehicle exterior from an opening provided to the exterior wall of the vehicle; and a casing fo...
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WO/2020/067145A1 |
The present invention addresses the problem of providing a λ/4 type radio wave absorber which comprises a supporting body, a resistive film, a dielectric layer and a reflective layer, and which achieves higher radio wave absorption perf...
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WO/2020/035687A1 |
The present invention provides a structure at least partially transparent to radio frequency signals, the structure being formed of a tessellated polyhedral material comprising a plurality of polyhedral cells. The present invention also ...
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WO/2020/019674A1 |
Disclosed is a wave-absorbing metamaterial, comprising: multiple periodically arranged metamaterial units, wherein each metamaterial unit comprises: a first loop arranged in a first plane; and a second loop arranged in a second plane, wi...
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WO/2020/019675A1 |
The present invention provides a wave absorption and transmission integrated device, and a radome. The wave absorption and transmission integrated device comprises: a wave transmission structure body comprising a first substrate, and met...
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WO/2020/016375A1 |
An antenna for a ground-penetration radar system is disclosed. The antenna has a housing that defines a cavity. A radiator is located on a surface of a planar substrate within the cavity. A wear-block is located between the radiator and ...
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WO/2020/000978A1 |
Disclosed is a metamaterial with a three-dimensional structure. The metamaterial with a three-dimensional structure comprises: polyhedral structures, each composed of multiple conductive geometric units, wherein multiple polyhedral struc...
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WO/2019/235354A1 |
A RFID system (U) applicable to a chipless RFID tag (2), said system comprising: an antenna unit (11) for transmitting an electromagnetic wave toward a tag (2) arranged opposing the antenna unit, and receiving a returning electromagnetic...
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WO/2019/235536A1 |
The present invention enables the achievement of an electromagnetic interference type electromagnetic wave absorption sheet which is capable of satisfactorily absorbing electromagnetic waves having frequencies in and above the millimeter...
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WO/2019/224266A1 |
Microwave absorbers are used in many different applications, such as communication-, radar- and industrial sensing. Absorbers are also used to reduce the radar cross section of for example aircrafts and ships. In recent years microwaves ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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