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JP2021192426A |
To provide a radio wave absorber which shows a metallic color when seen from a radio wave incident surface side (for example, excellent in design even when at least a part of a reflection part of a lighting fixture is composed) and has e...
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JP6980148B2 |
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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JP6981592B2 |
To suppress radio interference that occurs between adjacent antennas.The antenna device includes a substrate, a radome, and an absorbing unit. The substrate is provided with a plurality of antennas for transmitting or receiving radio wav...
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JP6965989B2 |
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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JP6964381B2 |
Antenna package structures are provided to implement wireless communications packages. For example, an antenna package includes multilayer package substrate, a planar antenna array, antenna feed lines, and resistive transmission lines. T...
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JPWO2020111159A1 |
In particular, it provides a sheet-shaped radio wave absorber that has excellent radio wave absorption performance in frequencies in the quasi-millimeter wave band, is lightweight, and has excellent flexibility. A radio wave reflecting l...
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JP2021173739A |
To reduce increase of the transmission attenuation of an electric wave of a radome according to a polarization plane when a dielectric is not set perpendicularly to the direction in which the electric wave travels.By using a principle th...
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JP2021170647A |
To provide a radio wave absorbing member that is advantageous from the viewpoint of enhancing flame resistance while maintaining a radio wave absorbing performance of a λ/4 type radio wave absorber for an extended period of time, a radi...
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JP2021168353A |
To provide an electromagnetic wave absorber and an electromagnetic wave absorber molding, in which an unnecessary electromagnetic wave can be fully removed, in addition, a production step is not complex, and a production cost is suppress...
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JP6949453B2 |
To provide an electromagnetic wave shield laminate material which can be made thinner as a whole even in a laminate structure with a high degree of freedom in shape, having a conductor layer formed on a magnetic sheet, and to provide an ...
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JP2021163792A |
To provide a radio wave absorber having a conductive absorption layer formed by injection molding and having an absorption peak in a desired frequency band.In a manufacturing method of a radio wave absorber 1 that absorbs millimeter wave...
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JP2021163793A |
To provide an impedance matching film advantageous from a view point that a pattern of an iridescent color is hardly caused, and fluctuation of an absorption peak frequency in an electromagnetic wave absorber can be reduced.An impedance ...
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JP2021164011A |
To provide an impedance matching film advantageous from a view point that a specific spatial variation related to the occurrence of a pattern of an iridescent color and an impedance matching can be suppressed.An impedance matching film 1...
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JP2021163838A |
To obtain a molding material for a radio wave absorbing member whose radio wave absorbing characteristics do not change significantly even after undergoing a process such as a molding process or a kneading process in which high mechanica...
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JP6943704B2 |
To provide a resistance film for a λ/4 type radio wave absorber capable of manufacturing the λ/4 type radio wave absorber which exhibits excellent durability, and the λ/4 type radio wave absorber including the resistance film for the ...
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JP6933529B2 |
To suppress deterioration of work efficiency due to a tool caused by a decrease in communication speed.A tool unit 10 includes: a tool 11 having a wireless communication function; a wireless device 12 having an antenna 12b for wireless c...
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JP2021125495A |
To provide an electromagnetic wave absorber capable of satisfactorily absorbing electric waves of a millimeter wave region without reflection so as to suitably cope with millimeter wave communications for a 5-th generation wireless commu...
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JP2021125709A |
To provide a leaky waveguide that can leak radio waves uniformly from a start to an end and can be easily manufactured.A leaky waveguide 10 includes a plurality of slots 11 formed in a row from a start side where radio waves are introduc...
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JP2021521705A |
An RFID portal is a plurality of items on an article in a group that are moved through an RFID code reader having call / charge and receive / detect antennas that are centralized on the group when the group is in the read zone. Read the ...
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JP6917203B2 |
A lamp reflector (10a) includes a mirror surface (11) and a laminate (12a). The mirror surface (11) is a surface for reflecting light from a light source (30) to guide the light in a predetermined direction. The laminate (12a) covers at ...
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JP6916965B2 |
The present invention discloses a controllable wave-absorbing metamaterial including a substrate and a metamaterial unit array layer. Each conductive geometric unit includes a first hollow structure, second hollow structures, and conduct...
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JP2021103786A |
To provide an electromagnetic wave absorber having good radio wave absorption against oblique incidence, particularly, oblique incidence of radio waves near 60 GHz.The absorption performance of 15 dB or more in a frequency band 55 to 65 ...
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JP2021103785A |
To provide an electromagnetic wave absorber having good radio wave absorption against oblique incidence, particularly, oblique incidence of radio waves near 79 GHz.(Characteristic A) In TM polarization measurement of 45° incident, the a...
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JP6899349B2 |
To accurately position a primary radiator at the focal point and in the correct posture as an extremely simple structure.An aperture antenna includes a primary radiator 3, a flexible reflector 1 having a reflective surface 13 made of met...
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JP6876021B2 |
An electromagnetic wave shield box 50 accommodates a DUT 100 having an antenna 110 and a coupling antenna 80 that is spatially coupled to the antenna 110, and includes a coupling antenna holding module 70 that arranges a plurality of the...
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JP6865030B2 |
To provide a metal foil tape capable of efficiently suppressing leakage and penetration of not only low frequency noise but also high frequency noise and capable of taking stable measures against noise.A metal foil tape 1 includes: a met...
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JP6861907B1 |
The FSS unit element (21) is connected to a plurality of conductors (31 to 34) extending outward from the center of the element and a plurality of conductors (31 to 34) at the center of the element, and the plurality of conductors (31 to...
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JP2021043533A |
To provide an article information reader capable of easily, collectively, and without omission reading identification information of each of many RF tagged articles placed in a disorder fashion on a delivery platform.An article informati...
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JP2021034915A |
To provide a mobile body-mounted radar antenna that can detect a position of an object with high accuracy while having a simple configuration.A mobile body-mounted radar antenna includes: an antenna substrate having a main plane facing a...
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JP2021015988A |
To provide a λ/4 type electromagnetic wave absorber having a support, a resistance film, a dielectric layer, and a reflective layer and having higher radio wave absorption performance.A λ/4 type electromagnetic wave absorber includes a...
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JP6824390B2 |
An antenna is provided and includes a radiator assembly extending along a first plane, a patterned ferrite layer extending along a second plane and a band stop frequency selective surface (FSS) extending along a third plane. The third pl...
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JP2021007238A |
To provide an electronic member that includes an element structure that makes up a metamaterial that can achieve miniaturization and absorb and block noise, and a manufacturing method thereof .An electronic member 1 includes a substrate ...
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JP6789437B2 |
An object is to provide a λ/4 radio wave absorber that includes a support, a resistive film, a dielectric layer, and a reflective layer, and that has higher radio wave absorption performance. The object is achieved by a λ/4 radio wave ...
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JP6790238B2 |
Provided is a radio wave absorber including: a support; a first radio wave absorption layer having a flat plate shape that is disposed on a surface of the support and includes a radio wave absorption material and a binder; and second rad...
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JP6782340B1 |
To provide an electromagnetic wave absorption unit and an electronic circuit capable of preventing electromagnetic wave noise from leaking to the outside and suppressing interference of electromagnetic wave noise from an electromagnetic ...
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JP6784425B2 |
The wearable antenna device includes an antenna part—attached to a part of a garment including a body accommodation part—that accommodates a part of a body, and a functional element arranged in a position of the garment in such a way...
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JP6775232B1 |
To obtain an electronic member including an element structure constituting a metamaterial capable of absorbing and shielding noise while achieving miniaturization, and a method for manufacturing the same. An electronic member 1 of the pr...
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JP6767922B2 |
According to one embodiment, a semiconductor device includes a semiconductor element, and a first member. The first member includes a first nonmagnetic planar region separated from the semiconductor element in a first direction, a first ...
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JP2020167412A |
To provide a λ/4 type electric wave absorber having flame retardancy.The λ/4 type electric wave absorber meets criteria as a flame-retardant material in the flammability evaluation test specified in UL94V-2. The λ/4 type electric wave...
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JP2020167667A |
To provide a 5G communication antenna array demonstrating excellent heat radiation and crosstalk suppression effect.A 5G communication antenna array 1 comprises: a substrate 10; at least one radio frequency semiconductor device 20, noise...
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JP2020167414A |
To provide a novel impedance-matching film for an electromagnetic wave absorber, which is advantageous in suppressing the change in sheet resistance when exposed to a high-temperature environment from the viewpoint of impedance matching....
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JP6751051B2 |
To provide a technology capable of suppressing interference between antenna elements and of maximizing an SINR.A wireless communication system according to one embodiment comprises: a first antenna array having a plurality of antenna ele...
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JP6742968B2 |
There is provided an antenna including an antenna element that has a prescribed length and detects a line of electric force, a transmission line that transmits an electrical signal, and a radio wave absorbing and attenuating part that ha...
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JP2020096185A |
To provide an impedance matching film for a radio wave absorber, which is advantageous in maintaining desired characteristics from the viewpoint of impedance matching when exposed in a high-temperature atmosphere for a long term.An imped...
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JP6712122B2 |
To provide an electromagnetic wave absorber, having an excellent characteristic of electromagnetic wave absorption, being easy to apply to a mobile terminal and capable of contributing to a mitigated patient symptom of electromagnetic hy...
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JP2020077988A |
To provide a technique for expanding a communicable angle range without increasing a scale of a high-frequency circuit for processing transmission and reception signals of an antenna.A base 3 has one installation surface 3a formed in a p...
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JP6690064B2 |
The present invention aims to provide a λ/4 type radio wave absorber having excellent durability. Provided is a λ/4 type radio wave absorber including: a resistive film containing molybdenum; a resistive film; a dielectric layer; and a...
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JP6684323B2 |
To provide a planar antenna device capable of suppressing an amplitude error caused by multiple reflection occurring between an antenna and a wireless terminal, a wireless terminal measurement device including the same, and a wireless te...
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JP6675113B2 |
To reduce multireflection of an electromagnetic wave generated between a cover member and an antenna device, and to reduce variation in detection performance of a radar device.An antenna device 10 comprises: a substrate 11; an antenna el...
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JP6674176B2 |
To provide means for preventing degradation in the accuracy of the position or the rate of a mobile device on the basis of a measuring electric wave received by a positioning antenna, by suppressing reception of a reflection wave of the ...
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