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Matches 1 - 50 out of 3,196

Document Document Title
WO/2021/060352A1
The present invention provides a λ/4 type radio wave absorber having excellent radio wave absorption performance. The λ/4 type radio wave absorber includes a resistive film, a dielectric layer, and a reflective layer, and in the λ/4 t...  
WO/2021/060353A1
The present invention addresses the problem of providing new technology for controlling the wave absorption characteristics of a λ/4 wave absorber. In view of the knowledge that the wave absorption peak position in the case where steps ...  
WO/2020/214435A9
An ultra-wideband (UWB) system includes an enclosure, and an ultra-wideband (UWB) transmitter array within the enclosure, the UWB transmitter array having a transmitter component that transmits electromagnetic waves toward a region-of-in...  
WO/2021/002909A3
An identification device that provides identification information is described. This identification device includes a set of radar reflectors that reflect radar signals having a fundamental wavelength. The set of radar reflectors may be ...  
WO/2021/039172A1
Provided is a mobile body-mounted radar antenna (100) comprising: an antenna substrate (110) that has a principal plane facing an object; and first antenna elements (120a) that can receive a polarization component in a first polarization...  
WO/2021/022880A1
Embodiments of the present invention provide a wave-absorbing and wave-transmitting metamaterial structure and an aircraft. The wave-absorbing and wave-transmitting metamaterial structure comprises at least one first microstructure array...  
WO/2021/024634A1
This radar device comprises a circuit substrate having a substrate surface on which an antenna module for transmitting electromagnetic waves is mounted, a casing that accommodates the circuit substrate and has a facing wall that faces th...  
WO/2021/005950A1
A radar device (1) is provided with: a substrate (3); a high-frequency IC (5) that is mounted to the substrate; a shield case (7) that houses the high-frequency IC; and a radio wave absorbing and heat dissipating gel (9) that covers at l...  
WO/2021/006033A1
The purpose of the present invention is to increase water proofing property in an area in the vicinity of an edge of a roof panel made of resin and to reduce radio wave leakage, while improving communication environment in a vehicle. Pro...  
WO/2020/260045A1
A parabolic dish antenna (100) configured to radiate electromagnetic energy in a main axial direction (D), the dish antenna having a rim portion (110) extending circumferentially around a periphery of the dish antenna (100), wherein the ...  
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...  
WO/2020/214435A3
An ultra-wideband (UWB) system includes an enclosure, and an ultra-wideband (UWB) transmitter array within the enclosure, the UWB transmitter array having a transmitter component that transmits electromagnetic waves toward a region-of-in...  
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...  
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...  
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 ...  
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...  
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.  
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...  
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...  
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...  
WO/2020/214435A2
An ultra-wideband (UWB) system includes an enclosure, and an ultra-wideband (UWB) transmitter array within the enclosure, the UWB transmitter array having a transmitter component that transmits electromagnetic waves toward a region-of-in...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  

Matches 1 - 50 out of 3,196