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JP5092600B2 |
To configure a wireless IC device having improved transmission efficiency of a signal with an antenna of a reader/writer by reducing the entire size and improving an emission property. In this wireless IC device 10, a power supply circui...
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JP5065524B2 |
An antenna comprises a first conductor, a second conductor and a third conductor each of which has a certain length and does not intersect with each other, wherein the third conductor is positioned between the first conductor and the sec...
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JP5062338B2 |
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JP5049631B2 |
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JP5049877B2 |
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JP5049234B2 |
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JP5048012B2 |
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JP5028720B2 |
A helical antenna capable of operating at a plurality of different resonant frequencies. The helical antenna has a first helical antenna element, a second helical antenna element arranged coaxially with the first helical antenna element ...
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JP2012520594A |
A dual-band dielectrically loaded multifilar antenna has a first group of helical conductive antenna elements extending from feed connection nodes to an annular linking conductor 20U, and a second group of conductive helical antenna elem...
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JP2012520595A |
A dual-band dielectrically loaded helical antenna for circularly polarised signals has two groups of helical antenna elements. In each group there are at least four such elements and they are connected at their distal ends to a respectiv...
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JP2012160892A |
To achieve antenna characteristics in which an antenna is small-sized and low loss by setting an optimal condition for constituting a helical antenna consisting of core shell type magnetic body.An antenna device comprises: an antenna ele...
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JP5006447B2 |
Multi-plane antennae on a substrate having a front face and a back face are provided. A plurality of through holes extend through the substrate between the front face and the back face of the substrate. A first antenna component is on th...
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JP5001218B2 |
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JP5003538B2 |
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JP4990787B2 |
A dielectrically loaded backfire helical antenna has a cylindrical ceramic core and a feed structure which passes axially through the core to a distal end face of the core where it is connected to helical conductors located on the outsid...
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JP4981503B2 |
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JP2012138839A |
To allow further miniaturization as well as generation of a wanted current mode.In an antenna device, a first antenna element is folded back at a folding-back part to form a forward part and a return part, with a start end of the forward...
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JP4980285B2 |
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JP4960348B2 |
A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is a...
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JP4955461B2 |
A method of manufacturing a helical antenna having a substrate (406), the method comprising providing a series of holes (2230) in the substrate (406) and positioning the substrate (406) to engage a support element (2310). The support ele...
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JP2012104496A |
To provide an antenna arrangement for generating an rf electromagnetic field distribution at a plasma generating region in a process chamber of a plasma processing apparatus.The antenna arrangement includes an rf inductive antenna 210 fo...
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JP4925685B2 |
An antenna holder for holding an antenna includes signal wiring and ground wiring being disposed on a single circuit board as either one of an external element and an internal element respectively with one end electrically coupled with a...
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JP4928077B2 |
An antenna arrangement for generating an rf field distribution at a plasma generating region inside a chamber wall of a process chamber of a plasma processing apparatus is described. The antenna arrangement includes an rf inductive anten...
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JP4902690B2 |
An end-fed planar type spiral antenna for transmitting/receiving radio signals includes a spiral pattern formed to have inner and outer spiral curves turned predetermined times in a spiral shape from an arbitrary center point in a plane;...
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JP2012049732A |
To provide a circular polarization antenna which achieves low profile of an antenna in the height direction.A circular polarization antenna for exchanging circular polarization comprises: an insulation substrate of a multi-layer construc...
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JP2012028869A |
To sufficiently strengthen the directivity of an antenna.An antenna device 110 is formed by wiring a linear conductor spirally with a first space P using a prescribed axis S as a center and comprises a helical antenna 111 for radiating a...
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JP4868128B2 |
An antenna device is provided which is capable of operating in a wider band of frequencies (in a plurality of transmitting and receiving frequency bands), achieving an excellent gain, maintaining non-directivity of vertically polarized w...
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JP2012019419A |
To provide an easy-to-handle helical antenna in which variation in antenna characteristics can be minimized, and to provide a method of manufacturing the same.A helical antenna 1 comprises a flexible substrate 11, a flexible wiring board...
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JP4851010B2 |
The invention describes a system, method, and means for an MRI guidewire that can be visible on an MRI, can act as an antenna and receive MRI signals from surrounding subject matter, and can allow the use of multiple interventional tools...
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JP4832350B2 |
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JP4834003B2 |
The invention provides methods and apparatuses for a helical antenna assembly that are constructed by placing a metallic tape strip diagonally onto non-metallic tape. The tape assembly is then rolled on a dielectric core. The metallic ta...
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JP2011244282A |
To provide an antenna device to realize a multifrequency common-use antenna of a non-directional type which has the same size as a single-frequency antenna, which can secure high gain, and which can allow for tilt control.An antenna devi...
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JP4824649B2 |
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JP4825685B2 |
Methods, systems, and articles of manufacture for assigning priority to antennae are disclosed. In accordance with a preferred embodiment of the invention, reader antennae identify the location of an object by detecting a tag or other id...
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JP2011228767A |
To provide a helical antenna for AM/FM reception that can afford downsizing and improve both AM and FM reception characteristics.A helical antenna for AM/FM reception comprises an element 10 and a feeding part 20. The element 10 has a ba...
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JP3171531U |
To provide a low VSWR log-periodic antenna device having a simple structure, suppressing gain deviation, stable radiation directivity, good F / B ratio, and good cross-polarization discrimination. Antenna substrates 11 and 12 having a su...
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JP2011199669A |
To provide a collinear array antenna, capable of operating over a wide frequency range, by reliably blocking an antenna leakage current to an outer conductor of a coaxial line.An antenna alignment unit 20 of a collinear array antenna is ...
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JP2011193088A |
To secure a lateral communicable range in proximity wireless transfer of a weak UWB system.A high-frequency coupler includes a coupling electrode having bent portions formed in places where charges with a first polarity are accumulated s...
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JP2011188020A |
To provide a small and high gain helical antenna in which coupling between lines is reduced.The helical antenna 10 includes: a substrate 11 formed of a dielectric substance like a rectangular parallelpiped; and a helical conductor patter...
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JP4774001B2 |
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JP4770665B2 |
An antenna apparatus includes: an antenna element; and a substrate on which a low noise amplifier is mounted and on which the antenna element is disposed, wherein the substrate comprises: an input unit for inputting an electric signal in...
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JP4771617B2 |
The present invention relates to a source-antenna for transmitting/receiving electromagnetic waves comprising an array of n radiating elements (113, 114) operating in a first frequency band, means (20) with longitudinal radiation operati...
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JP4762971B2 |
The device has an electronic transmission and/or reception unit (28), and a case (32) with an outer side for supporting an antenna (30). The unit (28) and a pressure sensor (24) of a vehicle are integrated in the case. The outer side of ...
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JP4763167B2 |
A small and light helical antenna, with high gain, can be realized by arranging the dielectric cylinder 1 with a helix conductor 2 on the conductive plate 3, and by arranging a thin rectangular conductive plate 5 between the lower end of...
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JP4753160B2 |
To provide a method capable of realizing an antenna gain of at least N decibels by realizing an antenna gain nearer to an omni-antenna in a direction perpendicular to a line. The method is related to a radio tag system without power supp...
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JP4748334B2 |
Provided is a coil shaped antenna wherein errors at the time of production can be reduced. An antenna (10) is constituted by providing connection conductors wherein the opposite ends of the connection conductors are connected to through ...
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JP4746098B2 |
The invention discloses a repeater antenna for use in point-to-point applications in telecommunications systems in the microwave range, intended for connecting transmissions from a first radio unit at a first site to a second radio unit ...
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JP4742536B2 |
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JP4732485B2 |
An antenna apparatus includes an antenna and a support member. The antenna has (i) an outer element, which has a spiral section prolonged spirally in an axial direction, and (ii) an inner element, which has a spiral section prolonged spi...
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JP4720958B2 |
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