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JP6680854B2 |
A dual-band antenna and a wireless communications device are disclosed. The dual-band antenna includes a first antenna arranged on a first printed circuit board (PCB), a second antenna arranged on a second PCB, and a reflection panel. An...
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JP6676238B2 |
A sheet-type metamaterial includes: a film-shaped dielectric substrate; a first and second wire array formed on the dielectric substrate's front surface and back surface respectively. The first wire array includes elongated metallic firs...
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JP2020047730A |
To provide a shield plate having a through-hole shaped to radiate noise dispersed in vertical polarization and horizontal polarization as compared with a simple circular or square through-hole, and an electronic device using the shield p...
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JP2020048044A |
To provide a reflector that can be reduced in weight in an antenna such as a large radar device installed above a building or a steel tower, and a method for manufacturing the same.A reflection plate 20 in an antenna 1 includes a main bo...
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JP6672938B2 |
To efficiently design a frequency selection board.First of all, arrangement geometry groups of conductor cells and non-conductor cells in a (M/K)×(N/K) cell model with K defined as any natural number are created and a superior solution ...
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JP6663607B2 |
A waveform selection metasurface uses different absorptances for a radio wave depending on a waveform of a radio wave. The waveform selection metasurface includes a plurality of conductive materials 11, and circuits 20 and 30 that link t...
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JP6661709B2 |
To perform radio communication between a first radio device and a second radio device in real time.A production apparatus 100 comprises: a robot arm 101; a work table 104 on which a work is placed; a radio station 111 having a first ante...
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JP6654506B2 |
A radar apparatus includes an antenna unit and a cover unit. The cover unit is arranged at a position through which an electromagnetic wave sent and received by the antenna unit passes. The cover unit has, in an order from closer to the ...
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JP6643799B2 |
A sensor to detect information on a subject by using an electromagnetic wave includes a transmitting unit having a generating element and a first antenna, a polarization converting unit, and a receiving unit having a second antenna and a...
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JP6643203B2 |
A radar apparatus that detects an object using radiated waves includes: an antenna surface that includes an element unit that emits a radiated wave for a radar; and a cover member that covers the antenna surface to protect the element un...
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JPWO2018180766A1 |
In the present invention, when a plurality of antennas corresponding to different frequency bands are arranged alternately, if the antenna spacing is narrowed, one antenna is affected by other adjacent antennas and the performance (band,...
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JP6640351B2 |
An expandable antenna includes: a plurality of ribs arranged with a regulated angular pitch at an outer circumferential portion of a hub; and a metal mesh installed between the plurality of adjacent ribs, wherein each of the plurality of...
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JP6636740B2 |
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JP6638866B2 |
A Luneburg antenna device includes a dielectric lens and an array antenna. The dielectric lens is a laminate of a plurality of disc members having distribution of permittivity varying with respect to its radial direction. Each of the dis...
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JP2020007573A |
To provide a formation method of a reflection surface for heightening furthermore mirror accuracy.A formation method of a reflection surface in one embodiment includes a plasma spray step for forming an anchor layer by plasma spray on th...
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JP2019213222A |
To provide a vehicle having an antenna device that is favorable to exchange an electromagnetic wave via a cover member.A vehicle C is provided with an antenna device U for exchanging an electromagnetic wave via a cover member B arranged ...
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JP2019536394A |
A hub and a plurality of ribs each connected to the hub at a fixed angle such that each rib is inclined with respect to the circumference of the hub, and each of the plurality of ribs may be wound around the hub in a housing configuratio...
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JP6617977B2 |
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JP6616249B2 |
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JP6608775B2 |
To allow for effective reduction of reflection coefficient for the radar wave on a desired frequency bandwidth, even if the incident angle of the radar wave to a frequency selection board installed in a dielectric member, such as a bumpe...
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JP6601974B2 |
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JP2019193042A |
To provide a small and inexpensive high frequency device that can be easily assembled.A high frequency device 150a includes a circuit board 100a, a planar antenna unit 120, a high-frequency circuit unit 110, and a dielectric block 152 pr...
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JP6598727B2 |
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JP6596748B2 |
This invention is intended to provide a sheet-type metamaterial of a film configuration to exhibit a figure of merit (FOM) exceeding 300 in a terahertz wave band. A film-shaped dielectric substrate 12 has a front surface on which a first...
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JP6599388B2 |
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JP2019186795A |
To obtain a flying radome that can reduce the RCS of an antenna over a wide angular range.A flying radome 100 includes a radome body 1 and an antenna cover that is disposed in front of an antenna 2 inside the radome body 1, and has frequ...
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JP2019531016A |
A metamaterial coupled antenna comprises a metamaterial and a rectenna having an antenna element and a diode coupled by a transmission line. Metamaterials produce spoof surface plasmons in the presence of heat. The antenna element resona...
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JP6590264B2 |
An antenna device that includes a housing formed with an window surface and transmits and receives an electromagnetic wave through a cover member facing the window surface, comprises: a transmitting antenna that is provided inside the ho...
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JP6589103B2 |
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JP2019176271A |
To prevent deterioration in output characteristics and reception characteristics of an antenna apparatus by suppressing reflection on an inner surface of a cover member.An antenna apparatus comprises: a circuit board 1 having an antenna ...
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JP2019174552A |
To provide a metamaterial optical element capable of obtaining excellent optical properties in a terahertz band, and a method for manufacturing the same.A metamaterial optical element 1 having a first surface 2s and a second surface 2r o...
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JP2019176198A |
To provide a wave reflection apparatus capable of flexibly increasing and decreasing a RCS, and a marine vessel having the wave reflection apparatus.A wave reflection apparatus for a marine vessel, comprises: a reflection device main bod...
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JP6587200B2 |
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JP6586059B2 |
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JP6581052B2 |
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JP2019158592A |
To provide an antenna device that is more suitable for transmitting/receiving an electromagnetic wave via a cover member.An antenna device, which conducts transmission/reception of an electromagnetic wave via a cover member B disposed so...
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JP2019139702A |
To provide a reading device capable of preventing leakage of an electric wave to the outside.According to an embodiment, a reading device comprises a storage container, an antenna and a plurality of reflective elements. The storage conta...
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JP2019140665A |
To provide a structure, an antenna, a radio communication module, and radio communication equipment that reduce the influence of a reflected wave of an electromagnetic wave emitted from an antenna with an artificial magnetic wall.A struc...
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JP6562628B2 |
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JP6561960B2 |
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JP6563805B2 |
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JP6558361B2 |
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JPWO2018079543A1 |
The communication device includes an antenna, a radio module that supplies power to the antenna to radiate an electromagnetic wave having a predetermined frequency band to the antenna, a structural part having a conductor surface at leas...
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JP6555675B2 |
A transmitarray, or radio frequency lens, can provide a large variation of time-delay. The transmitarray comprises a number of time-delay unit (TDU) cells that each have a capacitive patch and a rectangular wire loop separated by dielect...
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JP6556583B2 |
To suppress buckling deformation of a development link mechanism.A development type reflector 1 includes a reference axis 2, a plurality of development link mechanisms 3, and a reflector portion that forms a reflector surface. At least o...
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JP6557439B1 |
The radar radiation diversion tape (1, 2) includes a first plurality of individual radar reflection directional antennas (5, 11). Each directional antenna contains at least three elongated, unevenly spaced antenna conductors (10, 20, 30)...
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JP6549951B2 |
To improve an angle characteristic of a radar without affecting a detection characteristic of a radar device.In a structure (a vehicle 1) having a radar device capable of detecting an angle of a target mounted, a radar device 10 is arran...
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JP2019122012A |
To obtain a frequency selection board capable of suppressing high harmonic waves.A plurality of lines 11 each configured by element conductor patterns 12 and a connection part 13 for connecting between a first element conductor pattern a...
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JPWO2018061903A1 |
To provide a communication device, a communication terminal, and a control method of a communication device capable of preventing deterioration of communication performance. A communication device 600 includes a power feeding unit 610, a...
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JP6547060B2 |
A horn antenna array is provided with a plurality of horn antennas arranged in one direction. Each of the plurality of horn antennas includes two pairs of inclined planes, which define a frustum-shape horn, and on an electromagnetic wave...
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