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Matches 751 - 800 out of 2,723

Document Document Title
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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....  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
JP6673566B2
To provide a shield cover capable of shielding electromagnetic waves of desired frequency.The shield cover includes a plurality of cells being connected. The cell includes: a first peripheral part having a ring shape; a first central par...  
JP6669604B2
To make it possible to read information using an IC reader from an IC chip after illegally opened even if a security label uses an RFID, and to facilitate a reuse of the IC chip and antenna element.A security label is provided that is co...  
JP2020038544A
To provide technology for reducing an install area of a radio wave absorber without deteriorating the function of the radio wave absorber used in a communication gate system.A pair of side wall parts (2, 3) are arranged to face each othe...  
JP6661445B2
A high-frequency antenna element that is easily downsized even when an electromagnetic wave absorber is used, and is capable of protecting a receiving antenna unit by covering the receiving antenna unit, and provides a high-frequency ant...  
JP2020009923A
To provide an electromagnetic wave controller capable of controlling the propagation direction of electromagnetic waves by transmitting the electromagnetic waves in a predetermined direction and absorbing the electromagnetic wave propaga...  
JP6623805B2  
JP6613293B2
An RFID tag (41) comprising an RFID chip (47) and an antenna (45) electrically coupled to the RFID chip (47), wherein the antenna (47) is comprised of a conductor (43) formed of a base material and a secondary material having different c...  
JP6597484B2  
JP6589103B2  
JP2019176161A
To materialize an electromagnetic wave-absorbing sheet which can absorb an electromagnetic wave of a milli-meter wave band or higher frequencies well, which is superior in flexibility and which can be readily disposed in a desired portio...  
JP2019158491A
To provide a real-time sending-receiving device for sending or receiving an electromagnetic wave with a frequency of at least a millimeter wave band in real time, the sending-receiving device allowing generation of noise caused by a dire...  
JP6560576B2
The free space absorber based on an absorbent material containing conductive dipoles dispersing EM waves, includes a conductive substrate reflecting EM waves and a conductive grid located on the surface of the absorber.  
JP2019106627A
To provide an electromagnetic wave control body capable of controlling a propagation direction of millimeter waves by transmitting millimeter waves propagating in a predetermined direction and absorbing millimeter waves propagating in an...  
JP2019102665A
To provide an electromagnetic wave absorber having excellent electromagnetic wave absorption characteristics even to electromagnetic waves of 10 GHz or more.An electromagnetic wave absorber 100 has a laminated structure including a first...  
JP6523562B2
Provided is an electromagnetic-wave absorbing sheet that can favorably absorb electromagnetic waves while having elasticity and being handled easily. The electromagnetic-wave absorbing sheet having flexibility includes an electric resist...  
JP6519317B2  
JP2019071463A
To provide an electromagnetic wave absorber which is easy to attach to a face that is not flat, and which is hard to suffer from worsening of performance even when being exposed to a high-temperature and high-humidity environment over a ...  
JP6499103B2  
JP6476262B1
To provide a leaky coaxial cable capable of reducing the influence of unnecessary electromagnetic waves other than the frequency used and realizing stable wireless communication. A leaky coaxial cable includes a central conductor extendi...  
JP2019027997A
To provide a radio terminal measurement device, a circular polarization antenna device to be connected to the radio terminal measurement device, and a radio terminal measurement method that suppress amplitude errors arising from multiref...  
JP6461416B1
To provide an electromagnetic wave absorption composite sheet having a high absorption ability for electromagnetic wave noise in a desired frequency range. An electromagnetic wave shielding film is laminated on an electromagnetic wave ab...  
JP6453295B2  
JP6445741B2
An electromagnetic wave absorbing sheet is provided that can adequately absorb electromagnetic waves at high frequencies in and above the millimeter wave band, can have excellent flexibility, and can easily be placed in any desired porti...  
JP6431063B2
A wind turbine including a support structure and one or more turbine blades is presented, that incorporates ways for reducing the radar cross section (RCS), wherein the support structure is notionally divided into an upper section in the...  
JP2018534859A
An aspect of the present disclosure is, for example, to adjust the operating parameters of an electromagnetic wave supplied to a feed point of a dielectric antenna to change the beam width of a long-range wireless signal generated by the...  
JP6414017B2  
JP6397344B2  

Matches 751 - 800 out of 2,723