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JP7285340B2 |
Provided is a photonic crystal element, which shows small delay of an electric signal, shows a small propagation loss, and has uniform characteristics over its entirety. The photonic crystal element includes a two-dimensional photonic cr...
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JP2023076065A |
To narrow down an RCS in even the frequency band of radio waves outputted from an antenna device.An antenna device 1 comprises: an antenna control unit 15 for controlling an antenna 13; an electromagnetic wave shielding medium 12 which i...
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JP7284731B2 |
A terminal (200) comprises: a control unit (203) which determines a direction of transmitting a radio wave on the basis of a direction of arrival of a desired wave or a direction of arrival of an interference wave; and a transmission dir...
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JP7282613B2 |
To provide a flying body of small RCS at a position where a detector is mounted.A flying body 1 includes a radome 20, a body 10, an antenna 31, and an antenna cover 40. The body 10 supports the radome 20. The antenna 31 is covered by the...
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JP2023521949A |
The antenna assembly includes a first antenna having a first length in the height direction and a second antenna including a reflective surface having a second length greater than or equal to the first length in the height direction. . T...
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JP7281252B2 |
An optical component for terahertz waves includes a resin member that includes a powder containing cellulose. A content ratio of the powder in the resin member is 60 wt % or less.
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JP7280654B1 |
A codebook indicating a correspondence relationship between a representative value identified from a reference value obtained from an IRS target and an IRS control pattern, and a control pattern selection unit that selects the IRS contro...
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JP2023069445A |
To provide an antenna device having low profile and end-fire directivity while using a metasurface structure.An antenna device 10 has a metasurface structure 15 in which a plurality of conductor elements 200 are arranged on one plane of ...
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JP2023066962A |
To provide an antenna device that reduces the amount of use of a conductive material.The antenna device includes a flat plate dielectric substrate, a radiating element provided on one surface of the dielectric substrate, and a ground 30 ...
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JP2023065884A |
To provide a current-carrying member and a heater which can suppress local deterioration caused by heat generation while allowing electromagnetic waves in a specific frequency bandwidth to be transmitted therethrough.A current-carrying m...
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JP7271802B2 |
Provided are a structure and a building material that are capable of reflecting radio waves over a wide range of space. Provided is a structure comprising a radio wave reflector including a radio wave reflecting material for reflecting r...
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JP7269328B2 |
[Problem to be solved]To provide an antenna apparatus and spacecraft capable of deploying in a more compactly stored state.[Means for addressing the problem]There is provided "spacecraft, including: a main-reflection unit configured to r...
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JP2023059349A |
To provide a lightweight and highly accurate reflection member having excellent long-term environmental resistance.A reflection member for an antenna includes: a core material 11 of a curved shape; a first skin 12 provided along an inner...
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JP7265462B2 |
To provide a radio wave transmitting plate and a radio wave transmitting system that control an emission direction while selectively transmitting an incident electromagnetic wave.A radio wave transmitting plate that transmits radio waves...
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JP2023516837A |
Various antenna elements, including antenna arrays, can support different communication technologies and can be integrated into different components or sub-components of vehicles, including various vehicle light assemblies. Vehicle anten...
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JP2023048416A |
To provide a vehicle component for allowing an own vehicle to be easily detected by a radar device of another vehicle and also for suppressing deterioration of detection performance of a radar device of the own vehicle due to attachment ...
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JP2023513681A |
A method of manufacturing a device for manipulating the magnetic field of RF radiation from one or more RF antennas within an MRI system is disclosed. The method includes determining a target resonance quality factor for the device based...
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JP7250869B2 |
An antenna cover is used with an antenna for passing therethrough a radiation of the antenna in order to modify an antenna pattern of the antenna. The antenna cover includes a housing having a first surface and a second surface; and a pl...
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JP2023044387A |
To provide an electromagnetic wave filter capable of stabilizing filtering performance when an electromagnetic wave oscillating in a specific direction is incident in various oscillation directions.An electromagnetic wave filter 1 is con...
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JP2023043515A |
To simplify settings of a radio wave reflection direction of a reflector.A control device for controlling a reflector configured by using a metamaterial so as to change a reflection direction and a beam width of an incident radio wave ac...
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JP2023512699A |
Examples disclosed herein relate to reflect array antennas for improved wireless communication coverage areas. An improved reflect array antenna for wireless communications applications includes a first plurality of conductive elements c...
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JP2023512527A |
The present invention is an antenna device (100), an antenna element (102) for transmitting and receiving electromagnetic waves; a reflector (104) for reflecting electromagnetic waves transmitted from the antenna element (102); a substra...
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JP7246589B2 |
A reflector antenna apparatus includes: a radiator that emits a radio wave; a reflector that reflects the radio wave emitted from the radiator, a shape of the reflector being changeable; a support structure supporting the reflector, the ...
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JP7244234B2 |
An apparatus includes a center portion (104) and a plurality of spoke portions (108, 112) that are in contact with the center portion (104) and that extend to a perimeter region. The plurality of spoke portions (108, 112) include at leas...
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JP3241318U |
A drone with reduced electromagnetic interference is provided. A drone has an electronic circuit section (30) including an electromagnetic wave receiver for receiving electromagnetic waves, and a housing (10) for housing the electronic c...
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JP7242787B2 |
A method for the manufacture of a dielectric resonator antenna (DRA) or array of DRAs, the DRA having: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure having N ...
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JP7239522B2 |
To prevent decrease in the gain of an antenna device caused by an exterior component.In one aspect, an antenna structure mounted on a vehicle is provided. The antenna structure includes: an antenna device provided on a roof panel of the ...
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JP2023034234A |
To provide a transmitting/receiving device and an antenna device capable of achieving high-gain wireless communication in a wide area while keeping down a circuit scale.A transmitting/receiving device includes: a transmitting/receiving c...
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JP7234583B2 |
To minimize an electromagnetic wave cloaking structure and broaden a band.An electromagnetic wave cloaking structure 10 hides a target object 20 from electromagnetic waves. A plurality of multilayer ceramic capacitors 14 having anisotrop...
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JP7228630B2 |
A method of manufacturing an electromagnetic wave reflecting structure includes the steps of presetting an operating frequency, a reflected wave pointing angle, an incident wave pointing angle, and an incident distance of an electromagne...
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JP7227359B2 |
[Means for addressing the problem]There is provided "an antenna apparatus, comprising: a main-reflection unit including a plurality of ribs formed to be deployable in a stored state in which the ribs are folded and a sheet body provided ...
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JP7225650B2 |
To easily and accurately form a frequency selection member having an arbitrary shape.A frequency selection member 10 includes: a base material 16 formed of a non-conductive material; and a conductive layer 18, formed on a surface of the ...
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JP2023022427A |
To provide a reflection array capable of simplifying installation of the reflection array by enabling reflection with a plurality of incident angles without causing reduction in electric field intensity of a reflector while keeping high ...
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JP7222457B2 |
An antenna apparatus includes a ground layer, patch antenna patterns, feed vias, ring-type meta patterns, and coupling-type meta patterns. The ground layer has one or more through-holes. Patch antenna patterns are each disposed above the...
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JP7221932B2 |
A communication network includes an access point, a control unit in communication with the access point, a wave shaping device in communication with the control unit, and a wireless communication device. The control unit determines param...
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JP2023504780A |
The device consists of a container made from a visible-light transparent metamaterial for holding electrical or electronic equipment. The device is electromagnetically shielded and electromagnetically undetectable. The purpose of the dev...
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JP7217429B2 |
An antenna device includes a first antenna conductor, a ground conductor, an artificial magnetic conductor sandwiched between the first antenna conductor and the ground conductor, and disposed separately from the first antenna conductor ...
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JP7216428B2 |
A hollow light-weight, low-cost, and high-performance 3D Luneburg lens structure using partially-metalized thin film, string, threads, fiber or wire base metamaterial to implement the continuously varying relative permittivity profile, c...
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JP2023503297A |
A cured molded dielectric component comprising a crosslinked composite comprising a thermoplastic polymer, an optional coagent, an optional curing initiator, an optional additive composition, and a ceramic filler composition, , a dielect...
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JP7212400B2 |
An electromagnetic wave transmission structure (10) adapted to cause convergence of an electromagnetic wave includes a substrate (1) and a transmission unit (2) provided on the substrate (1) and including an annular metal plate (21). The...
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JP7211398B2 |
A waveguide slot antenna includes a waveguide having a plurality of slots spaced apart by a predefined distance in a central-axis direction of the waveguide, as a radiating section. An uneven section provided on an outer wall surface aro...
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JP7210558B2 |
A shielding apparatus which is for passively attenuating electromagnetic radiation and which comprises a plurality of cells. Each cell comprises a plurality of resonators (26) which are spaced from one another. The cells are arranged in ...
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JP7209717B2 |
An electromagnetic device includes: a dielectric structure having: a first dielectric portion, FDP, having a proximal end and a distal end, the FDP having a dielectric material other than air; and a second dielectric portion, SDP, having...
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JP7209716B2 |
An electromagnetic device includes: a first electromagnetic, EM, signal feed; a second EM signal feed disposed adjacent to the first EM signal feed; and, an elevated electrically conductive region disposed between and elevated relative t...
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JP2023007898A |
To provide a radio wave black box that has an easily attachable and detachable outer wall part, and enables individual replacement for each outer wall part.A radio wave black box is used in measuring transmission or reception characteris...
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JP7209049B2 |
A radio assembly is provided. The radio assembly includes at least one radio module and a radome. The radio module has a heatsink disposed on one side and a radio module base on the other side thereof. The radio module base is disposed b...
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JP7208165B2 |
A waveform shaping device that includes an adaptable surface, a controller, and a receiving device which measures a secondary wave following the reception of a primary wave by a receiver, the primary wave having been transmitted by a tra...
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JP7206571B1 |
An object of the present invention is to provide a radio wave reflector and a building material that reflect radio waves while maintaining their strength and have flexibility. offer. A radio wave reflector (11) including a conductor that...
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JP7201811B2 |
Devices and systems for implementing a walk-through gate are provided. The devices include a walk-through gate structure having boundaries that have curved inner surfaces on each side of a cavity. The curved inner surfaces are partially ...
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JP2023002166A |
To provide an antenna device which is widely adopted to a plurality of frequency bands and realizes an excellent antenna characteristic and miniaturization.An antenna device comprises: a first dipole antenna adopted to a first frequency ...
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