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JP5965917B2 |
An antenna assembly and method of forming an antenna is disclosed. The antenna comprises a dielectric core wrapped with an antenna tape having a conductive portion. A printed circuit board extends from a chassis, and a ground element sec...
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JP2016111574A |
To provide a small planar antenna device that has shorten an antenna element by a coil-shaped portion.A first antenna device 11 is planar, and includes a ground portion 31, a swirl portion 32, and a radiation portion 33 as antenna compon...
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JP5934663B2 |
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JP5922390B2 |
To provide a spiral antenna for wireless power supply which achieves high transmission efficiency.A spiral antenna for wireless power supply includes an antenna element 10 formed by winding an electrical conductor wire 11 at a given inte...
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JP5917119B2 |
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JP2016066915A |
To realize a solid coil shaped antenna having high performance, high reliability, and an inexpensive price.An antenna 10 is configured by coating a conductor 12 to the substantially entire surface of a surface of a core material 11 havin...
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JP5793052B2 |
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JP5792296B2 |
An antenna structure for the transmission or receipt of electromagnetic signals, the structure formed as a self complementary array having a series of high and low impedance patches, with predetermined low impedance patches interconnecte...
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JP2015173143A |
To absorb or reflect electromagnetic waves coming from the outside with the use of plasma.An electromagnetic wave shielding device comprises: an antenna 1 which radiates radio waves; a coil 2 which is arranged so that its axial direction...
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JP5764745B2 |
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JP2015146625A |
To provide a collinear antenna that allows a high degree of freedom in design.The collinear antenna includes a plurality of outer conductors 2 cylindrically formed and longitudinally arranged, and a plurality of inner conductors 3 separa...
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JP5757960B2 |
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JP2015142340A |
To provide an antenna unit preventing damage when fallen to the ground, and capable of coping with a wide frequency band by only one antenna.The antenna unit, to be mounted inside or outside the housing of a communication device, include...
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JP5756114B2 |
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JP2015130599A |
To provide a small-sized antenna and a radiation disturbance radio wave measurement system.A small-sized antenna comprises: a board formed from dielectric material; a first linkage body formed on one face of the board; a second linkage b...
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JP5726440B2 |
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JP5691035B2 |
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JP5676622B2 |
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JP5676621B2 |
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JP5672128B2 |
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JP5640817B2 |
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JP5586755B1 |
[Subject] An antenna which has the outstanding reflective characteristic and a radiation property is realized. [Means for Solution] While width forms cut 15a of an inverse tapered shape form which becomes large in dielectric substrate 11...
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JP5588182B2 |
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JP2014120831A |
To provide a helical antenna 1 which can achieve compaction, wideband, and stabilization of impedance.A helical antenna 1 is ground type and operates in composite mode where series resonance mode and parallel resonance mode occur simulta...
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JP5523197B2 |
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JP5496941B2 |
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JP2014093623A |
To provide an antenna which can be made compact easily even if there are a plurality of spiral antenna elements, and to provide an antenna device including the same.An antenna includes a rod-like support (core rod 45), a first spiral ant...
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JP5487154B2 |
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JP2014078772A |
To provide a circularly polarized antenna device capable of performing axial ratio adjustment without exerting influence on a result of antenna impedance adjustment.A circularly polarized antenna device 100 includes a tip open type loop ...
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JP5479990B2 |
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JP5467504B2 |
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JP5409797B2 |
There is provided an antenna implementing a first 0-th order resonant frequency using a first radiator to which power is fed through parallel inductors of helical structures, and implementing a second 0-th order resonant frequency using ...
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JP5380299B2 |
A radio communication receiver which includes an antenna array having at least two antennas to provide antenna diversity. The receiver is for receiving signals containing orthogonally coded data sub-streams derived from a source data str...
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JP5380202B2 |
A dielectrically-loaded antenna has a cylindrical ceramic core, a three dimensional antenna element structure comprising co-extensive helical conductors plated on a cylindrical side surface of the core and a dielectrically-loaded antenna...
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JP5347209B2 |
Disclosed is a log periodic antenna and a manufacturing method thereof. In the log periodic antenna, antenna elements are attached to an antenna body to thereby simplify a structure of the antenna, the antenna can be manufactured in vari...
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JP2013232972A |
To mitigate or avoid a reduction in antenna efficiency in mobile devices of reduced diameters.An antenna arrangement includes two antennas resonant at a common operational frequency. The arrangement comprises a circuit to combine output ...
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JP5333177B2 |
To make the horizontal plane directivity nondirectional to horizontal polarized waves with respect to an antenna device in which elements constituting an antenna are held by a holding member made of a dielectric and the holding member in...
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JP5303042B2 |
A low profile antenna device for use in a vehicle comprises a base unit, and an antenna unit. The antenna unit is supported on the base unit, and is provided with a first helical unit on the side near to the base unit, and a second helic...
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JP5301349B2 |
To provide a collinear antenna reducing side robes. In the collinear antenna 1 stacked in 15 steps, each step in the first step sleeve element 11 to the 15th step sleeve element 25 is constituted of an upper step sleeve and a lower step ...
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JP5293645B2 |
In an antenna device, a first helical part of a first antenna and a second helical part of a second antenna is disposed in a dielectric body on a ground plane. Each helical part is helically wound up in a direction perpendicular to the g...
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JP5236752B2 |
This document discusses, among other things, a system and method for wirelessly transferring information electromagnetically at a first specified operating frequency range and at a second specified operating frequency range using an impl...
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JP5234999B2 |
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JP5172857B2 |
A dielectrically loaded quadrifilar helical antenna has four quarter turn helical elements centered on a common axis. Each helical element is metallized on the outer cylindrical surface of a solid dielectric core and each has a feed end ...
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JP2013509779A |
A transmission line for a vehicle includes: a steel plate for forming a body of a vehicle; a dielectric formed on the steel plate; and a conductive line formed on the dielectric. An antenna for a vehicle includes: a steel plate for formi...
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JP5159428B2 |
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JP5150087B2 |
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JP5145056B2 |
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JP2012532518A |
In a dielectrically-loaded multifilar helical antenna 10, a conductive phasing ling 16 is arranged between and couples together feed conductors 18A, 18B and the helical radiating elements 14. A shunt capacitor 20 may be connected across ...
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JP2012239122A |
To provide a collinear antenna that allows a high degree of freedom in design.The collinear antenna includes a plurality of outer conductors 2 cylindrically formed and longitudinally arranged, and a plurality of inner conductors 3 separa...
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JP5092599B2 |
To constitute a radio IC device of which whole size is reduced and of which radiation property is improved, thus raising the transmission efficiency of a signal to the antenna of a reader/writer. An electromagnetic coupling module 1 comp...
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