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JP7197754B2 |
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JP7197061B1 |
The high-frequency diffusion sheet 10 of the present invention is used for diffusing electromagnetic waves in a high-frequency region and includes an electromagnetic wave shielding layer 11 having electromagnetic wave shielding propertie...
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JP7195645B2 |
The antenna structure as an example of a structure including a mesh-like transparent conductor includes: a film made of an electrical insulating material transmitting visible light; a surface section provided on one face of the film, mad...
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JP2022189533A |
To provide a radio wave scattering device and a radio wave scattering member capable of widening a scattering beam width as compared with a case where the phase is not corrected between a plurality of radio wave scattering portions in a ...
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JP7193805B2 |
To provide a technique for changing the propagation direction of a narrow beam which is a radio wave whose propagation direction is controlled in a specific direction in wireless communication while maintaining the state of the narrow be...
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JP7192717B2 |
The radius r, the minimum dimension c, and the width w are determined based on Expressions 1 to 3 such that the frequency frmin is in a range from 70 GHz to 80 GHz and that the index value Q is in a range from −15 to −5.
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JP2022552575A |
Detection systems and methods using multiple detector arrays and polarizing beam elements for single-frequency or multi-frequency imaging of objects or scenes.
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JP7189062B2 |
To provide good mountability and prevent deterioration of detection performance.An antenna device includes an antenna and reflective members. The antenna is formed in a conductor pattern on a dielectric substrate. The reflective member i...
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JP7182134B2 |
Provided is an antenna device including a feeding antenna conductor, a non-feeding antenna conductor, a ground conductor, and an artificial magnetic conductor disposed between the feeding antenna conductor and the non-feeding antenna con...
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JP7182137B2 |
An antenna device includes: a feeding antenna conductor; a non-feeding antenna conductor; a ground conductor; a first artificial magnetic conductor disposed between the feeding antenna conductor and the non-feeding antenna conductor, and...
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JP7179290B2 |
To suppress an error in shape of a reflector surface due to an error in the end position of an expansion operation.An expandable reflector 100 includes: a support structure section 12 for forming a concave support surface in an expanded ...
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JP7176117B2 |
A dielectric structure (200A,200B,200C,200D,300A,300B,300C,300D) applied to building components for increasing a transmittance of an RF signal is provided. The dielectric structure (200A,200B,200C,200D,300A,300B,300C,300D) includes a str...
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JP7174731B2 |
To prevent deterioration in the performance 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 p...
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JP2022171324A |
To provide a millimeter-wave antenna cover with high transmittance over a wide angle of incidence.A millimeter-wave antenna cover includes a metal grid having a thickness of 0.035 mm to 0.65 mm having a number of square grids forming a m...
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JP2022165227A |
To reduce the transmittance of an electromagnetic wave arriving from an unwanted direction outside.A cover for a millimeter wave antenna, curved in the shape of an arc, has a metallic lattice having a number of square lattices in a matri...
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JP2022165140A |
To provide a complex resonator capable of configuring an aggregate with a high flexibility of design, and to provide the aggregate.A complex resonator comprises: a first resonator extending in a first surface direction; a second resonato...
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JP2022165141A |
To cut off electromagnetic waves of a predetermined frequency band.An electric wave absorption element comprises: a first resonator extending in a first surface direction; a second resonator separated from the first resonator in a first ...
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JP7163209B2 |
A radar device comprises: a transmission antenna for emitting radio waves toward an object; a reception antenna for receiving reflected waves formed by the radio waves emitted from the transmission antenna being reflected by the object; ...
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JP2022165226A |
To provide a cover for a millimeter wave antenna having excellent electromagnetic compatibility.The cover for a millimeter wave antenna has a 0.035 mm thick metallic lattice having a number of square grids arranged in a matrix on a flat ...
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JP2022165403A |
To remove size restriction.A radio wave refractor includes a plurality of unit structures arranged in the direction of a first surface, and a reference conductor that serves as a reference potential for the plurality of unit structures. ...
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JP2022165135A |
To provide a complex resonator capable of configuring an aggregate with a high flexibility of design, and to provide the aggregate.A complex resonator comprises: a first resonator extending in a first surface direction; a second resonato...
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JP7162728B2 |
A measurement device for measuring performance of at least one antenna system (110) in a first frequency band and in a second frequency band. The measurement device comprising an outer chamber (120) having inwardly radio frequency reflec...
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JP7159049B2 |
A millimeter-wave radar cover capable of effectively utilizing electromagnetic waves (millimeter waves) of a millimeter-wave radar and sufficiently reducing unnecessary radiation of electromagnetic waves is provided.A millimeter-wave rad...
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JP2022160789A |
To provide a spatial filter capable of passing electromagnetic waves of a specific frequency and attenuating electromagnetic waves of frequencies other than the specific frequency, and easy to be manufactured, and a manufacturing method ...
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JP2022544080A |
Examples disclosed herein relate to metastructure-based reflect arrays for beamforming wireless applications and methods of operating passive reflect arrays in indoor environments. The method includes receiving radio frequency (RF) signa...
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JP2022158202A |
To provide a radio antenna capable of forming a service area simply and at low cost.A radio antenna 100 includes: a cable-shaped waveguide 110 made of a dielectric; a lump body 110c made of a dielectric; and an electric conductor 114. Th...
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JP2022156916A |
To provide a radio wave reflection plate capable of symmetrically reflecting both horizontally and vertically polarized waves.A radio wave reflection plate comprises a plurality of patch areas including a plurality of square patch electr...
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JP2022156918A |
To provide a radio wave reflector capable of increasing the amount of phase difference of reflected radio waves.A radio wave reflector includes a first substrate, a second substrate, and a first dielectric layer sandwiched between the fi...
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JP2022156917A |
To provide a radio wave reflector capable of increasing the amount of phase change of reflected waves of radio waves.A radio wave reflector RE includes a first substrate having a plurality of patch electrodes PE arranged in a matrix at i...
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JP7150606B2 |
The present disclosure concerns a device for forming at least one focused beam in a near zone, from an electromagnetic wave incident on said device. Such device is remarkable in that it comprises at least one layer of a dielectric materi...
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JP2022150365A |
To provide an antenna and an antenna device with a low resonance frequency with a simple configuration.An antenna 20 includes a ground portion 10, a conductor 30 positioned to face the ground portion 10, and a support portion 40 that sup...
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JP7149533B2 |
An antenna device including: a ground conductor having one end and another end in a longitudinal direction; a feeding antenna conductor disposed close to the other end; a non-feeding antenna conductor disposed close to the one end; an ar...
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JP2022151068A |
To provide an antenna device that can be further miniaturized while increasing an operating frequency.An antenna device 100 includes a ground plate 1, a linear feeding element 6, and two mushroom cells 2. The linear feeding element 6 is ...
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JP2022147904A |
To provide an electronic circuit that is reduced in size by making good use of interaction between adjacently arrayed structures, and a circuit board.An EBG (Electromagnetic Band Gap) structure comprises a ground 11, a stub 13 formed in ...
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JP7147843B2 |
A lens according to the disclosure includes a dielectric having a first surface and a second surface that is spaced from the first surface and that faces the first surface in a direction of a reference axis intersecting the first surface...
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JP7146003B2 |
To improve angular characteristics of a radar without affecting detection characteristics of a radar device.In a structure R mounted in the vicinity of a radar device 10 capable of detecting an object, the radar device 10 includes a plur...
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JP7145827B2 |
To improve directional characteristics of a rader device.As a structure (plate-shaped members 21, 22) arranged in the vicinity of a radar device 10 that transmits and receives radio waves of a predetermined frequency and detects the posi...
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JP7142049B2 |
ProblemAn antenna device, suppressing reflection of electromagnetic waves from a human body or other conductors causes the electromagnetic waves to be sufficiently emitted in a target direction.Solution meansAntenna device (3), which is ...
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JP2022139372A |
To provide a radar device that can suppress transmission loss of electromagnetic waves regardless of members of a vehicle or the material of a coating.The radar device includes: an antenna made of an end-fire array antenna for sending an...
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JP2022135025A |
To provide a radio wave absorption sheet that can absorb a radio wave in a predetermined frequency in both a reflected wave on a surface of the radio wave absorption sheet and a transmitted wave transmitting through the radio wave absorp...
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JP7132660B2 |
A three-dimensional isotropic metamaterial including an aggregate of SRR-buried block pieces obtained by burying SRRs in a transparent resin cube, at random in a transparent resin member; a method of producing the same; and a terahertz r...
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JP2022132129A |
To provide a passive relay device capable of giving a specific directivity, suppressing unnecessary radiation, reducing size and height, and radiating in two or four directions with a single device.A passive relay device comprises: a fir...
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JP7132167B2 |
A radar device configured to emit radio waves and detects an object present in a prescribed detection region includes an antenna unit and a radio wave reflector. The antenna unit is configured to emit the radio waves. The radio wave refl...
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JP2022124711A |
To provide an electromagnetic flux control member capable of suppressing reflection of electromagnetic waves by a plurality of convex portions arranged on a curved surface (on a curved base surface).An electromagnetic flux control member...
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JP7124714B2 |
A microwave heating device includes a heating chamber that accommodates an object to be heated, a microwave generator configured to generate microwaves, a wave guide tube configured to guide the microwaves to the heating chamber, and an ...
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JP7124713B2 |
A microwave heating device includes a heating chamber that accommodates an object to be heated, a microwave generator configured to generate microwaves, a wave guide tube configured to guide the microwaves to the heating chamber, and an ...
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JP2022537219A |
Embodiments of the present application provide display screen assemblies, antenna assemblies, and electronic devices. The display screen assembly includes a display screen body and a radio wave transparent structure. The display screen b...
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JP7122523B2 |
An antenna device includes an antenna, a first ground conductor, and an artificial magnetic conductor. The artificial magnetic conductor is sandwiched between the antenna and the first ground conductor, and separated from the antenna and...
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JP7122649B2 |
To provide a radar device with which, of a transverse device configuration though, it is possible to realize a high antenna gain and a high azimuth resolution.The radar device comprises: a housing 6 having a window part 6a in a forward d...
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JP7122378B2 |
Provided are an improved antenna element, array antenna, communication unit, mobile object, and base station. The antenna element includes a first conductor, a second conductor, a third conductor, a fourth conductor, a feeding line elect...
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