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JP2014095552A |
To provide a position measurement system capable of accurately obtaining the position of an object inside a metal shield space.A position measurement system 1 includes: a transmission antenna 14 for transmitting electric wave of pulse wa...
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JP5500166B2 |
An antenna unit includes a housing, a substrate, and an antenna. The housing includes a bottom wall, first and second side walls extending upward from the corresponding side edges of the bottom wall, a rear wall extending upward from the...
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JP2014093544A |
To provide an antenna device capable of controlling beam width of an electromagnetic wave to be communicated.An antenna element 110 communicates radio waves of a plurality of wavelength bands. First and second meta-material reflectors 12...
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JP5490194B2 |
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JP5488620B2 |
A radiowave absorber of the present invention includes: an upper plate that includes a dielectric material containing conductive particles; a lower plate that is arranged parallel to the upper plate, and includes a dielectric material th...
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JP2014081448A |
To provide an optical component composed of materials that transmit a terahertz wave therethrough, and are unlikely to cause a damage and easily manufactured, and to provide a terahertz wave module including the optical component, and a ...
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JP5478931B2 |
The dielectric antenna (1) has a dielectric structure (2) having a supply section (4) for receiving electromagnetic radiation, a lens shaped radiation section (5) for emitting electromagnetic radiation. A conductive sheet (3) surrounds t...
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JP5481328B2 |
According to one embodiment, an antenna apparatus includes an antenna element (11) formed into a spiral shape, a sheet-shaped magnetic material (12) arranged in tight contact with a back surface of the antenna element (11), and a reflect...
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JP5480855B2 |
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JP2014068334A |
To provide a reception antenna device for receiving radiation power of satellite communication or satellite broadcast radiated from a stationary satellite which is a reception target, and a manufacturing method for a shaped reflector.A r...
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JP5469724B1 |
To reflect a first polarized light having an electric field component parallel to the surface of a substrate and a second polarized light having an electric field component perpendicular to the surface of a substrate in a desired directi...
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JP5470155B2 |
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JP5470156B2 |
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JP5463354B2 |
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JP5469054B2 |
The invention relates to an antenna for transmitting or receiving electromagnetic waves at a working frequency fT, that comprises a resonator with a filtering (49) coating that covers the major portion of the upper face of a reflector (2...
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JP5449450B2 |
To provide a reflective plate for a radar reflector, capable of easily changing the number of reflection directions and fixing them by a simple method, and to provide a radar reflector equipped with the reflective plate.In a reflective p...
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JP2014045278A |
To provide a frequency sharing directional antenna having the same sector directivity in a plurality of different operation frequency bands, with a simple configuration.The frequency sharing directional antenna includes a radiator 110 an...
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JP2014042162A |
To provide a signal transmission and reception technique of an industrial plant which can constitute an inexpensive and highly integral radio network.A signal transmission and reception system 10 of an industrial plant comprises: a trans...
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JP5435507B2 |
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JP5428901B2 |
Provided is a multi-beam antenna device capable of achieving two independent multi-beam characteristics using a single antemia unit, and enhanced gain. The multi-beam antenna device comprises a first antenna section, a second antenna sec...
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JP5428781B2 |
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JP5414353B2 |
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JP5410559B2 |
A reflectarray that reflects an incident wave in a desired direction is such that a plurality of elements is disposed on a substrate having a surface which is perpendicular to a predetermined axis. A method of designing the reflectarray ...
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JP5410558B2 |
A reflectarray reflects an incident wave in a desired direction. The reflectarray includes a substrate including a surface which is perpendicular to a predetermined axis, and elements disposed on the substrate. A specific element among t...
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JP5398426B2 |
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JP5398858B2 |
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JP5403670B2 |
A millimeter wave imaging sensor includes a plurality of millimeter wave sensors disposed on one plane intersecting an incoming direction of millimeter waves emitted from a subject. Each of the plurality of millimeter wave sensors includ...
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JP2014003436A |
To improve a degree of freedom in design of an antenna device by downsizing an EBG unit cell constituting an EBG structure while maintaining a low profile and broadband characteristics thereof.An antenna device comprises an EBG structure...
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JP5385192B2 |
To provided a patterning method and a pattern generation program which can generate a wiring pattern of a conductive film which can solve the problems of spreading of diffraction image, disconnection, and visibility of wiring.The pattern...
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JP5376470B2 |
To provide a control method of linear polarization control and an apparatus therefor which has a simple structure and manufacturing method and reduces costs, is available even in a high frequency band, and has a high specific strength an...
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JP5371841B2 |
To obtain an antenna device which sufficiently reduces an RCS, in consideration of an influence of a reflected wave from a structure itself such as an earth conductor or an antenna element. An antenna device has: an earth conductor 2; a ...
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JP5372118B2 |
To suppress a grating lobe in a reflect array which reflects an incident wave in a desired direction. A reflect array comprises at least first and second element arrays which are adjacent to each other, and each of the first and second e...
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JP5371633B2 |
A reflect array (1) according to the present invention includes a plurality of array elements (10) forming an array configured to control a direction of a reflected wave (scattered wave) by controlling a phase of the reflected wave; and ...
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JP5367807B2 |
A method and apparatus for providing more reliable wireless communication and power to sensors in electrically challenging bioprocess environments is disclosed. An unconnected antenna is located within the bioprocess environment, prefera...
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JP2013243428A |
To provide a structure ensuring an electromagnetic wave propagation blocking effect in a desired frequency band with a simple configuration.The structure has a plurality of signal conductors, a plurality of conduction conductors conducti...
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JP5355000B2 |
The present invention relates to a radio communication system configured to secondarily-radiate, to a desired area by reflection, primarily-radiated radio waves from a transmitter apparatus, by using a reflector plate for controlling pha...
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JP5351647B2 |
To achieve an auxiliary antenna coupler that can be used for each portable terminal in common, and can utilize an auxiliary antenna in a plurality of frequency bands. The auxiliary antenna coupler is disposed for use while opposing the n...
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JP5355643B2 |
A microwave radiating element including first and second means for conveying electromagnetic waves in respective first and second frequency bands, wherein the first and second means are coaxial.
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JP5352645B2 |
A multi-beam reflectarray includes two or more element arrays including plural elements aligned along a predetermined direction. The multi-beam reflectarray is such that, in each of a first element group and a second element group includ...
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JP5344032B2 |
Provided is an injection molded article having a junction surface where side end surfaces of two thermoplastic resin members are bonded by injection molding one of the members onto the side end surface of the other member, wherein (a) a ...
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JP5337432B2 |
A radio communication system according to the present invention includes a scatterer configured to reflect, refract, or transmit a radio wave radiated primarily from a transmission side apparatus to radiate the radio wave secondarily to ...
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JP5336874B2 |
To improve an antenna device using sheet-like structures, and to provide an RFID tag using the improved antenna device. The RFID tag 100 includes: the antenna device including the sheet-like structure 200 in which a plurality of unit cel...
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JP5336873B2 |
To provide a high surface-impedance structure capable of reducing thickness and losses. In a sheet-like structure in which unit structures are arranged repeatedly in an x direction, a capacity upper electrode 21 is formed at an upper-sur...
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JP5327214B2 |
An artificial medium includes: a dielectric layer having a front surface and a back surface; a plurality of first grid lines respectively formed on the front surface and the back surface and extending in a first direction and a plurality...
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JP5324861B2 |
An RF beam steering device employs a prism assembly (20, 21) to steer an RF beam (7) and a compensation device to address undesirable movement of the beam steering device. The prism assembly includes a plurality of dielectric prisms each...
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JP5309193B2 |
To prevent deterioration of an inter-polarization coupling amount characteristic and a cross polarization characteristic by correcting irregularity of a polarization face. In this polarization diversity array antenna device, plural polar...
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JP2013207649A |
To provide a cabinet capable of resolving communication failures caused by a conductive housing by a simple and low-cost configuration, and of suppressing intrusion of dust and small animals via an opening to the minimum.A cabinet 1 has ...
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JP2013201686A |
To reduce loss of a Rotman lens.The Rotman lens includes a ground plate 80 composed of a conductive member, a dielectric substrate 70 placed on the ground plate 80, and a plurality of input ports 11-15 and a plurality of output ports 41-...
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JP2013201480A |
To solve the problem that a reflector antenna folded in divisions of a plurality of reflector surfaces has a grating lobe corresponding to intervals of cutting portions of the divisions of the reflector surfaces and generation of interfe...
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JP5305994B2 |
To provide an antenna device wherein degradation of gain due to passage loss increase of second radio waves is suppressed by setting the thickness of a first reflector at an optimum value in accordance with the incident angle of the seco...
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