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JP7062011B2 |
Described herein are antenna-coupled radio frequency (RF) probes with replaceable tips. In the described embodiments, test signals are coupled onto a probe tip wafer via an on-tip antenna, thus the probe tip is decoupled from the probe b...
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JP7031924B2 |
[Problem] To provide an antenna for an RFID reader/writer configured so that, in order to prevent the influence of an RFID tag in a position separated on the horizontal plane, the antenna suppresses radiation of horizontal waves and radi...
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JP7028340B2 |
A system is disclosed and includes a plurality of antennas. Each antenna includes a plurality of conductive elements and is circularly polarized. The plurality of conductive elements is configured to receive radio frequency (RF) signals....
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JP7009453B2 |
A helix antenna structure includes loop antennas and a multilayered printed circuit board including printed circuit board layers. Each printed circuit board layer includes a peripheral loop antenna and each adjacent two loop antennas are...
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JP2022008872A |
To provide a radio wave communication device, a radio wave reception device, and a radio wave communication system that perform non-line-of-sight communication over a wide range.A radio wave communication system includes: a dipole transm...
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JP2021150891A |
To suppress fluctuations in the shape of a helical element while reducing the amount of resin used to hold the helical element.The antenna device 1 includes a coil element 200 and a holding member 100, which holds the coil element 200. T...
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JP6914598B2 |
To provide a miniaturized circularly polarized wave antenna capable of obtaining single directivity.Frist to fourth helical elements 10a-10d are spirally wound, so that shaft of winding centers are decentered from each other and spaced f...
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JP6893767B2 |
To provide a planar antenna and an antenna device capable of suppressing antenna loss.The planar antenna 100 includes: at least one antenna conductor 13; a ground conductor 16; and at least one support portion 15. The antenna conductor 1...
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JP6873130B2 |
Embodiments include an antenna assembly for a wireless microphone, comprising a helical antenna including a feed point and at least one contact pin coupling the feed point to the wireless microphone. The helical antenna is configured for...
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JP6860189B2 |
To provide a spherical helical antenna that can easily achieve impedance matching.A spherical helical antenna 10 comprises a first conductor 11 that has a spiral shape along a spherical surface. The first conductor 11 has a power feeding...
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JP2021028997A |
To provide a cable type antenna having a compact and lightweight configuration and capable of specifying a radiation area having a desired antenna length.A cable type antenna is provided with a balanced-to-unbalanced conversion element b...
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JP6831468B2 |
Quadrifilar helical antennae with four separate ports and providing a reduction in height are described. The QHA includes four conductive helical traces wound about a common longitudinal antenna axis. The conductive helical traces are co...
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JP6766180B2 |
A device is presented for improving radio frequency (RF) and microwave array antenna performance. The device sits in the near field, the reactive region, of the antenna array with a pattern of electrically isolated rectangular, cross-sha...
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JPWO2019044000A1 |
The metamaterial device comprises at least one unit resonator (1). The unit resonator (1) includes a resonant element (21) and a pair of reflecting elements (22). The resonant element (21) has a strip shape having first and second ends, ...
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JP6751141B2 |
A phased array line feed for a reflector antenna, including a plurality of substantially parallel metallic rods and a phase/power switching matrix electrically connected to the metallic rods. The phase/power switching matrix may steer a ...
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JP2020136916A |
To provide a three-dimensional antenna having a light weight and reliability in a low cost.In a three-dimensional antenna 1 having a spiral antenna element 2, and a resin part 3 inserting the antenna element 2 and ejected and formed with...
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JP6739678B2 |
The present invention provides an antenna device including a ground conductor plate 1 having a first circular hole 6, a disc-shaped conductor plate 5 which has a second circular hole 7 whose center is disposed on a straight line passing ...
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JP6725285B2 |
To provide a helical antenna capable of facilitating positioning at the time when a feeding line is adhered, and that can bear a temperature load in outer space, and to provide a method of manufacturing the same.A helical antenna 1 has: ...
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JP2020096207A |
To provide an antenna device, having a plurality of antennas in a common case, capable of achieving miniaturization while suppressing degradation in an antenna gain.An antenna device 1 includes an AM/FM capacity loading element 3 and an ...
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JP6684323B2 |
To provide a planar antenna device capable of suppressing an amplitude error caused by multiple reflection occurring between an antenna and a wireless terminal, a wireless terminal measurement device including the same, and a wireless te...
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JP6669552B2 |
To provide a helical antenna capable of facilitating positioning at the time when a feeding line is adhered, and that can bear a temperature load in outer space, and to provide a method of manufacturing the same.A helical antenna 1 has: ...
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JP6634237B2 |
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JP2019220731A |
To provide a flat antenna that is easy to design and does not significantly change communication characteristics even if there is a metal object or the like around.A flat antenna includes a flat insulation layer body, a band-shaped first...
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JP6568332B1 |
To provide a helical antenna having a simple structure capable of communicating at a plurality of frequencies and being smaller. A helical antenna 100 includes an internal core 111 made of a dielectric material, an internal antenna eleme...
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JP6534634B2 |
To suppress lowering of a transmission function of a data signal.A tire state detection device 20 includes a case 21. A pressure sensor 31, a transmission circuit 32, a transmission antenna 51, and a substrate 33 on which these are mount...
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JP6529297B2 |
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JP6483374B2 |
A method and system for communication with assemblies comprising shafts (e.g., drive shafts, or other rotating objects) comprising use of helical antenna based components. In this regard, a helical antenna based component may comprise on...
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JP6455694B2 |
Used is a demultiplexer/multiplexer including: an input terminal, which receives input signals from respective phases of a quadrifilar helix antenna; a first phase shifter/separator/mixer, which is configured to alternately phase shift r...
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JP6449237B2 |
In a circularly polarized wave antenna apparatus including a non-reciprocal transmission line apparatus having forward and backward propagation constants different from each other, the non-reciprocal transmission line apparatus includes ...
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JP6417474B2 |
The invention relates to an antenna device (10) for short-range applications, e.g., RFID, comprising: a bipolar coaxial conductor structure (12) with an internal conductor (14) and an external conductor (16); an antenna signal terminal (...
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JP6407104B2 |
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JP2018528750A |
Various embodiments of the electromagnetic hybrid phased array system are disclosed. One such embodiment comprises an inductive surface waveguide probe and a reverse winding toroid helix antenna juxtaposed to the inductive surface wavegu...
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JP6343527B2 |
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JP2018023010A |
To provide a multiple frequency antenna system which can configure a logarithmic periodic antenna having a wide band property to be compact and lightweight and house an antenna unit of the logarithmic periodic antenna inside a flat-shape...
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JP6273078B2 |
An apparatus for determining alignment of a first subsystem relative to a second subsystem. The apparatus includes a first antenna system (102) for simultaneously transmitting a delta pattern radiation beam (116a) at a first frequency an...
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JP6271238B2 |
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JP2017538252A |
The wireless LED tube lamp device 100 receives and transmits at least a partially transparent tube 7, at least one LED 1 located within the tube, at least one LED driver 4, an LED controller 5, and wireless commands. Includes RF antennas...
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JP6209414B2 |
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JP6200928B2 |
To provide a cable type antenna excellent in workability when installing and capable of compactly integrally connecting and disposing an LCX and a feeding coaxial cable to suppress the transmission loss of the LCX in that case low.An LCX...
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JP6193488B2 |
An antenna array includes a plurality of antenna elements. The antenna elements include layers of dielectric material; an antenna inlaid in a top layer of the dielectric material so a surface of the antenna is substantially parallel to a...
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JP6190691B2 |
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JP2017139517A |
To provide an antenna device which does not receive radio wave to be unnecessary waves arriving from a specific direction with a simpler structure.An antenna device according to one embodiment of the current invention includes: a dielect...
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JP2017108328A |
To easily perform impedance matching on a coaxial cable or the like by setting impedance of a QFH antenna in the vicinity of a desired value.A QFH antenna 10 comprises antenna elements 21 and 22. Each of the antenna elements 21 and 22 co...
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JP6101825B2 |
Methods, systems, and devices are disclosed for implementing a compact wireless communications base station. In one aspect, a small cell base station device configured in a street cabinet unit for wireless communication includes a radio ...
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JP6093004B2 |
The invention concerns a helical antenna comprising a shape of revolution and a plurality of radiating strands helically wound around the shape of revolution, characterized in that each radiating strand is defined by a repetition of a fr...
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JP6070798B2 |
An article management system according to the present invention includes: a reader antenna (102) including an open-type transmission line terminated in an impedance matched state; an RF tag (104) that is placed at a location that is elec...
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JP6065807B2 |
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JP2016181809A |
To provide a radio terminal that can be miniaturized and reduced in cost while securing antenna performance.A radio terminal includes a first antenna 2 comprising a first helical element 21 and a whip element 22, and a second antenna 3 i...
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JP5988877B2 |
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JP5983760B2 |
In a multilayer substrate (2), eight front-side antenna portions (8) and eight back-side antenna portions (16) are disposed. Front-side radiation elements (9) in the front-side antenna portions (8) and back-side radiation elements (17) i...
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