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JP2014217067A |
To provide a distributed feeding device for antenna beam forming.A distributed feeding device 200 for antenna beam forming includes: a first distributed feeding circuit 201 having P inputs and N outputs; at least one frequency multiplexe...
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JP2014211394A |
To provide an inexpensive multi-area monitoring system having a small dead angle.A multi-area monitoring system includes a microwave sensor and a plurality of reflectors facing to the microwave sensor. In the multi-area monitoring system...
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JP5613939B2 |
The antenna has elementary sources (1-10) that are spaced from a constant pitch and are grouped into identical sub-networks, where the elementary sources are identical with each other. Each sub-network synthesizes a beam. The elementary ...
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JP2014200031A |
To make a radio communication device thinner.An antenna 1 has a structure in which, for example, a third layer 4, a third dielectric layer 8, a first layer 2, a second dielectric layer 7, a second layer 3, a first dielectric layer 6, and...
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JP5613064B2 |
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JP5606185B2 |
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JP2014527366A |
A metamaterial 14 comprises an array of conductive tracks where at least one conductive track has a different length, width or thickness to that of at least one of the other conductive tracks. The conductive tracks are formed in an array...
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JP5603907B2 |
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JP5604534B2 |
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JP2014192627A |
To provide a receiver etc. capable of accurately receiving a radio wave if the reception environment of the radio wave changes.The receiver includes: a receiver unit 11 for receiving a radio wave from a terminal device 30; a reflector un...
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JP5598816B2 |
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JP5598879B2 |
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JP5595630B2 |
An antenna array for use within a microwave imaging system to capture a microwave image of a target is selectively programmed to optimize one or more parameters of the microwave imaging system. The array includes a plurality of antenna e...
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JP2014175921A |
To provide a high frequency device capable of easily adjusting impedance and reducing transmission loss.In the high frequency device including a substrate 51 mounting a plurality of circuit components for performing signal processing of ...
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JP2014171100A |
To prevent an antenna characteristic (gain) from notably declining in a low frequency region when an orientation direction is adjusted by the phase difference at the time of combination in an antenna device that comprises a pair of anten...
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JP5589225B2 |
The array has individual radiating elements arranged according to periodic pattern, where the elements form reflecting surface (14). The elements are realized in planar technology, and have same geometric shape e.g. hexagon shape, and sa...
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JP5593278B2 |
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JP5592279B2 |
A method and apparatus for a negative index metamaterial lens. The method is used for creating a negative index metamaterial lens for use with a phased array antenna. A design is created for the negative index materials lens that is capa...
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JP2014165754A |
To provide a directional characteristic variable antenna capable of facilitating change and adjustment of a directional characteristic at and after the installation.Around an antenna, there is provided a directional characteristic changi...
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JP2014165808A |
To provide a compact performance evaluation device which accurately performs performance evaluation of a radio wave absorber using a metal plate lens and is easily manufactured.A metal plate lens is characterized in that, in a state wher...
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JP2014158073A |
To obtain an antenna device capable of preventing deterioration in communication performance caused by fallen snow without restriction in an arrangement direction of a heating wire and without preventing polarization radiation even for a...
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JP5579356B2 |
A microwave imaging system captures a microwave image of a target and minimizes noise in the microwave image using phase differentiation. A reflector antenna array is provided including a plurality of antenna elements for reflecting micr...
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JP2014155098A |
To provide an antenna module reduced in manufacturing cost, capable of being assembled easily, and capable of improving transmission rate and transmission distance, and a method for manufacturing the antenna module.Electrodes 20a, 20b ar...
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JP2014150433A |
To obtain a lamination structure having excellent band pass characteristics for positive polarization, and having excellent interruption characteristics for cross polarization.A lamination structure comprises: a split ring layer 1 provid...
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JP5574446B2 |
A reflector (8) for a reflector antenna is provided for producing a far field pattern with near-zero field strength at a predetermined position, the reflector having a surface comprising a stepped profile for generating the near-zero fie...
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JP5572490B2 |
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JP5570944B2 |
To calculate a position where energy can be efficiently extracted while eliminating cost for actual measurement with an actual device.An energy extraction position calculation device includes: a storage unit 140 for storing information o...
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JP2014143525A |
To provide a spatial composite antenna device that can vary radiation power pattern, and to provide a manufacturing method for a mirror surface correction reflection mirror related to primary and sub mirrors.A spatial composite antenna d...
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JP5566864B2 |
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JP2014518059A |
Techniques are described for wireless energy transmission and projecting magnetic fields over relatively long near-fields. In one example, a device for transmitting near-field energy comprises at least one source that generates a radiofr...
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JP5559901B1 |
To reduce the manufacturing costs of an MMIC integrated module while realizing the efficient output of electromagnetic waves.A silicon substrate 12 where an antireflection structure 100 is formed on a surface is joined to an MMIC substra...
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JP5554841B2 |
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JP5556366B2 |
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JP5553886B2 |
A method and apparatus are present for steering a radio frequency beam. The radio frequency beam is emitted from an array of antenna elements at a first angle into a lens at a location for the lens. The first angle of the radio frequency...
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JP5550100B2 |
Conductor pieces 102 that are periodically arrayed, a conductor plane 103 that has openings 104 periodically arrayed so as to correspond to the conductor pieces 102, and a dielectric 108 that is arranged between the conductor pieces 102 ...
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JP5542878B2 |
A method and apparatus for making a mesh reflector that may be used to produce a shaped reflector is provided. The mesh reflector may be an umbrella-style deployable mesh reflector capable of approximating both parabolic and arbitrarily ...
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JP5542902B2 |
The antenna is provided with: a conductor; an EBG structure that is disposed above the conductor and that contains plural square elements arranged in a matrix; and a radiation element disposed above the EBG structure. A distance L1 betwe...
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JP5536836B2 |
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JP5540055B2 |
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JP5533860B2 |
A structural body of the invention includes a first conductor plane (1), a plurality of second conductor planes (4) of which at least a portion is provided facing the first conductor plane (1), and a transmission line (6), having an open...
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JP5521510B2 |
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JP5522042B2 |
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JP5516407B2 |
A structure includes a first conductor pattern, a second conductor pattern, and a plurality of first openings and a plurality of lines. The first conductor pattern has a sheet shape. The second conductor pattern has a sheet shape and is ...
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JP5520233B2 |
An electromagnetic wave filter apparatus includes: a shield conductor; a shield aperture provided in the shield conductor; a plurality of strip conductors, each of which is connected to the shield conductor at both ends thereof, and whic...
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JP5518728B2 |
Optically reconfigurable radio frequency antennas for use in aircraft systems and methods of its use are disclosed. In one embodiment, the antenna includes a surface-conformal reflector that includes optically addressable carbon nanotube...
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JPWO2012093603A1 |
The electromagnetic wave propagation sheet according to the present invention is provided between the first conductor plane, the second conductor plane facing the first conductor plane and having a plurality of openings, and the first co...
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JP2014107755A |
To provide an antenna sheet which indicates stable communication characteristics and can also be easily introduced/installed in an existent mobile (traffic system).An antenna sheet 80 comprises: an electromagnetic wave transfer sheet 70 ...
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JP3190951U |
To provide a level measuring device including a lens antenna which can be integrated to protect from damage caused by exposure to a corrosive substance to be measured and to increase the bandwidth of the reflectance coefficient. A level ...
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JP5514325B2 |
In each parasitic element array (6), each of parasitic elements 5 has a strip shape substantially parallel to a longitudinal direction of a dipole antenna (4), and the parasitic elements are formed at predetermined intervals (L5). The in...
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JP5514779B2 |
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