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JP5731745B2 |
This disclosure provides an antenna device that includes an electromagnetic wave radiation source (21) for radiating an electromagnetic wave, and an electromagnetic wave shaping module (1), arranged forward of the electromagnetic wave ra...
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JP5732656B2 |
A deployable antenna which has a larger aperture diameter by four-side links provided in at least three stages and which includes: six deployment link mechanisms (20) arranged radially from a central shaft so as to support an outer edge ...
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JP2015103898A |
To provide a reader writer antenna for communicating with an RFID tag, which generates no non-sensible zone or is capable of easily coping with a non-sensible zone area.The reader writer antenna is provided with a reflector plate facing ...
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JP5726856B2 |
An electronic apparatus is provided which includes a first housing that is provided with a first electronic component (11), a second housing that is provided with a second electronic component (21), an antenna which is provided at an end...
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JP5725013B2 |
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JP5723999B1 |
To provide a small antenna having a frequency shared by using one antenna element for one polarization. An antenna 10 includes a reflector 100, a dipole element 120 provided at a predetermined distance from the reflector 100, and a first...
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JP5722552B2 |
The invention relates to a process for improving the reflectivity of reflective surfaces (1) of antennas, said reflective surfaces (1) being made of a composite, comprising at least one layer of composite (2), characterized in that it co...
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JP5721728B2 |
A device for receiving and/or emitting an electromagnetic wave having a free space wavelength λ0 comprised between 1 mm and 10 cm, comprising a medium (11) of solid dielectric material and the free space wavelength λ0 corresponding to ...
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JP5721073B2 |
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JP5718315B2 |
Provided are an antenna and a combination antenna having a wide directivity in a predetermined plane direction. The antenna 100 is configured to have rims 111, 112 at left and right ends of a dielectric substrate 101 in the X direction i...
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JP5717202B2 |
An invisible enclosure includes a cylindrical central enclosure having a cavity formed therein and an outer shell formed of homogenous materials, with an object in the cavity and the central enclosure itself being substantially invisible...
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JP5712931B2 |
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JP5712639B2 |
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JP5709860B2 |
A ground plane for reducing multipath reception comprises a convex conducting surface and an array of conducting elements disposed on at least a portion of the convex conducting surface. Embodiments of the convex conducting surface inclu...
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JP5699937B2 |
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JP5701806B2 |
An EBG structure according to an embodiment includes an electrode unit made of a first conductor and provided with a space, a patch unit provided approximately parallel to the electrode unit and made of a second conductor, an insulating ...
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JP2015070541A |
To widen a frequency characteristic of an antenna device equipped with an AMC reflection board.An antenna device has a dipole antenna 2 as a radiator and an AMC reflection board 10 formed of many patch elements 4 and a bottom board 6 as ...
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JP2015070542A |
To downsize an antenna device equipped with an AMC reflection board.An antenna device has a dipole antenna 2 as a radiator and an AMC reflection board 10 formed of many patch elements 4 and a bottom board 6 as a reflector. A reflection s...
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JP5696781B2 |
A vehicle obstacle detection device comprises: a radar unit provided between a back surface of a bumper and a wheel and configured to detect an obstacle by transmitting a radio wave through the bumper; and a misdetection prevention membe...
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JP5697826B2 |
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JP5697056B2 |
Disclosed is a planar EBG structure that can secure a highly efficient radio-wave propagation suppression effect using residual space that is smaller than one whole planar EBG element. By means of structuring EBG elements provided as a r...
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JP5695976B2 |
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JP2015062273A |
To provide a radio communication module with improved communication performance in a closed space surrounded by conductive walls.A radio communication module includes: an antenna placed on a first conductive wall of a plurality of conduc...
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JP5693290B2 |
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JP5695286B2 |
A microwave imaging system uses microwave radiation provided by a microwave source to image targets. The system includes an array of antenna elements that are capable of being programmed with a respective transmission coefficient to dire...
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JP2015061102A |
To provide a compact antenna device and radio equipment having a large maximum gain.The antenna device includes a planar antenna section 2 and a conductor section 3. The planar antenna section 2 includes: a ground section 4 having a rect...
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JPWO2013031396A1 |
The antenna device includes a reflector that forms an offset antenna by cutting out a part of a rotating paraboloid, and a secondary radiator that emits an elliptical beam having an elliptical cone shape to the opening surface of the ref...
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JP5686859B2 |
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JP2015046846A |
To provide an antenna device design method and an antenna device capable of setting the beam width of electromagnetic waves independently for each frequency, in a frequency sharing antenna handling electromagnetic waves of a plurality of...
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JP5684494B2 |
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JP2015043526A |
To provide an antenna apparatus capable of simultaneously receiving and transmitting electromagnetic waves of different polarization and different frequencies.An antenna apparatus 1000 includes: a reflection plate 100 of an EBG structure...
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JP5678888B2 |
A technique is proposed for reducing leakage electromagnetic field that reduces the electromagnetic leakage from a connection point between a communication coupler and a signal transmission apparatus and that can conduct both communicati...
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JP2015041994A |
To improve directivity of a slot antenna.A slot antenna comprises: a transmission line arranged on a substrate; a power feeding slot element powered by the transmission line; and a parasitic slot element arranged in the vicinity of the p...
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JP5674838B2 |
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JP5674694B2 |
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JP5673553B2 |
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JP5673472B2 |
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JP2015505182A |
The present invention relates to a method for producing a new kind of dielectric material having a predetermined variable dielectric constant obtained as a result of a production process. The main feature of the manufacturing method is t...
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JP2015019368A |
To provide a wideband frequency selective polarizer.A wideband frequency selective polarizer 10 includes: arrays 100 and 101 of first-frequency slots 105 in at least two metallic sheets 301 and 302 in at least two respective planes 331 a...
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JP5660342B2 |
The invention relates to an antenna design and may be used for effectively concentrating radiation emitted by a distributed source on an object (4) placed in the focal area (5) of the antenna. The claimed technical result is achieved in ...
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JP5650172B2 |
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JP5650409B2 |
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JP2014241517A |
To provide a device that can adjust relative positions of a hemispherical lens and an element while a terahertz wave is observed, and generates or detects the terahertz wave.A device includes: an element which generates or detects a tera...
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JP2014535176A |
The device for emitting radiation has an antenna formed on a substrate (104) and a high impedance surface (HIS). The HIS has multiple layers of vertically stacked cells (304) arranged to form an array that substantially surrounds at leas...
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JP5644769B2 |
A surface communication device of the present invention includes: an electromagnetic wave propagation unit which propagates electromagnetic waves and has a sheet shape; and at least one of a power feeding device unit which is disposed on...
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JP2014233053A |
To provide an EBG structure capable of largely reducing an operating frequency.The EBG structure includes: a ground substrate; a first dielectric layer laminated on the ground sub; a first conductor pattern laminated on the first dielect...
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JP5635567B2 |
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JP5626723B2 |
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JP2014216751A |
To provide a substrate capable of obtaining excellent characteristics over a wide frequency range, and to provide an antenna including the same.The substrate and the antenna include an insulator layer (12) and a pair of conductive layers...
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JP2014217031A |
To provide a reflection plate and an antenna apparatus with which a band gap band widens to a broad band.A reflection plate 1 reflecting an electromagnetic wave belonging to a specific band gap band comprises: columnar state elements 10a...
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