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WO/2008/105103A1 |
In a reader/writer apparatus using loop antennas to perform a non-contact communication, the loop antennas are effectively used.There are included resonant frequency changing means (C1,D1,C2,D2) for changing the resonant frequencies of t...
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WO/2008/105477A1 |
A portable electronic device and a magnetic field antenna circuit are provided for making it possible to keep an antenna resonance frequency in a fixed range even if temperature changes. A mobile telephone device (1) is provided with a s...
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WO/2008/099722A1 |
A wireless interface is provided for supplying all signals and power exclusively wirelessly from a transmitting section (200) to a receiving section (220). The transmitting section (200) comprises a transmitter (210) arranged to modulate...
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WO/2008/096574A1 |
Provided is a packing material provided with an electromagnetically coupled module. The packing material protects a wireless IC chip from shock from external and environmental changes without deteriorating flatness of the packing materia...
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WO/2008/096576A1 |
Provided is a packing material provided with an electromagnetically coupled module. The packing material protects a wireless IC chip from shock from external and environmental changes without deteriorating flatness of the packing materia...
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WO/2008/092512A1 |
The present invention relates to an antenna element for a portable communication device as well as to a portable communication device including such an antenna element. The antenna element (18) includes a wire of an electrically conducti...
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WO/2008/092511A1 |
The present invention relates to a portable communication device (14) that includes a radio communication unit (48), an antenna exciter element (18) for connection to the radio communication unit and ground (46) and at least one further ...
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WO/2008/091734A1 |
A shielding article including a substantially conductive layer; and a substantially magnetically permeable layer adjacent the conductive layer. Embodiments of the invention can feature the substantially conductive layer and the substanti...
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WO/2008/090745A1 |
A loop antenna which can reduce variation in characteristics due to the installation environment of the loop antenna and can prevent deterioration in data communication function. The loop antenna has a loop-like feeding pattern (21) conn...
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WO/2008/087802A1 |
The electrodes of a circuit part are electrically connected to metal terminals (114a, 114b, 114c), and the metal terminals (114a, 114b, 114c) are fastened to a bobbin (108) so that the circuit part can be constructed between the metal te...
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WO/2008/088099A1 |
Disclosed herein is a balun internal type loop antenna, in which a radiation patch is helically formed on the outer circumference of a dielectric in a direction from the lower portion of the dielectric to the upper portion thereof, and a...
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WO/2008/087841A1 |
[PROBLEMS] To provide a printer by which a read/write range wherein communication is performed with a RF tag can be adjusted wide, without requiring a complicated mechanism nor changing the arrangement position of a RFID antenna. [MEANS ...
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WO/2008/083719A1 |
The invention falls within the technology of antenna design, in general and particularly, in the technical field of Radiofrequency Identification (RFID). In short, an antenna is described comprising a radiating element that achieves self...
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WO/2008/081699A1 |
A base sheet (12) has a structure which stably couples even a 1mm or smaller particle-like chip on paper with an antenna line only by arranging the chip close to the antenna line without bringing the chip into electrical contact with the...
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WO/2008/080876A1 |
A method for producing radiofrequency communication devices with or without an operation switch and devices obtained. The invention relates to a method for producing a radiofrequency communication device comprising an electronic componen...
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WO/2008/075156A1 |
A GPS antenna has two electrically connected L-sections disposed on opposite sides of a circuit board. The L-sections lie on two separate planes parallel to the circuit board surface. One L-section is connected to a feeding point located...
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WO/2008/073218A1 |
In one aspect, the invention is a far-field power extraction circuit which includes an integrated antenna and impedance matching portion and a rectifier portion. The antenna and impedance matching portion includes an antenna configured t...
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WO/2008/072785A1 |
A band-widened loop antenna having a width narrow enough to be disposed between defogger lines (20) by using a one-wavelength loop antenna (10). The one-wavelength loop antenna (10) is a rhombus shape and symmetrical with respect to a ve...
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WO/2008/072411A1 |
A planar radiation element (2) is arranged on the ground surface (5) while spaced apart therefrom. The radiation element (2) resonates at predetermined low level wavelength λ1 and high level wavelength λ2. On the periphery of the radia...
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WO/2008/072496A1 |
An antenna coil (100) is provided with a coil body (104) composed of a magnetic core (106), a bobbin (108) surrounding the magnetic core (106), and a coil (110) wound on the bobbin; and a case (102) storing the coil body (104). A foam bo...
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WO/2008/065992A1 |
An RF powder particle, an RF powder, and an RF powder-containing base all making it difficult to make a counterfeit document, a counterfeit bank note, or the like of a sheet object having a high property value such as a bank note, having...
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WO/2008/065994A1 |
A magnetic coupler and reader in which a high-frequency electromagnetic field for responding and reading information is properly given to a small magnetic coupling circuit element contained or added to a sheet or plate object having a hi...
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WO/2008/065127A2 |
The transponder comprises a conductive wire coil that is coiled onto a ferrite generally cylindrical bar (1) and connected to a radio frequency wave identification integrated circuit (3). The coil (2) is produced as a single layer of non...
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WO/2008/062514A1 |
A communication apparatus (100) comprises a first antenna (A1) for receiving carriers on which information signals, which are modulated signals, are superimposed; a ground terminal (50) for causing a reference voltage to be close to zero...
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WO/2008/061800A1 |
The invention relates to an antenna for a backscatter-based RFID transponder with an integrated receiving circuit comprising a capacitive input impedance for receiving a radio signal located spectrally within an operating frequency range...
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WO/2008/062828A1 |
Provided is a field improving system having a resonator for improving environment for communication among a sensor, a tag and a noncontact IC card. The system is used for RFID (Radio Frequency Identification) sensor, IC tag and noncontac...
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WO/2008/062588A1 |
Provided is an antenna coil which can be easily manufactured and have a high impact resistance. In the antenna coil, a coil is wound onto a bobbin in which a flat plate core of a magnetic material is inserted, and they are contained in a...
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WO/2008/061114A2 |
A multipole antenna for conducting logging-while-drilling (LWD), includes a wire for one of producing and receiving an electromagnetic field, the wire having at least one winding for providing a magnetic moment in a first portion of the ...
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WO/2008/056601A1 |
An antenna unit (1) comprising an antenna coil (2) for performing at least one of reception and transmission of an electromagnetic signal, a bobbin (3) around which the antenna coil (2) is wound, a core (4) contained in the bobbin (3), a...
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WO/2008/053631A1 |
An antenna coil (100) is constituted by winding a flexible substrate (104) around a magnetic body core (102). A receiving coil (106) consisting of a first receiving coil portion (107a) and a second receiving coil portion (107b) of revers...
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WO/2008/051057A1 |
Provided is a loop antenna. The loop antenna includes a first antenna element embodied as a coaxial cable, a second antenna element embodied as a line and connected to one end of the first antenna element in series, a third antenna eLeme...
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WO/2008/051701A1 |
The hybrid junction includes four electrically conductive planar windings, circular or rectangular, arranged so as to lie along an imaginary spherical or cylindrical surface. Each of the four electrically conductive windings is rotated f...
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WO/2008/050869A1 |
A waveguide provided on an antenna supporting rod along with a radiator. The waveguide has one or more pairs of annular elements obtained by forming a conductive material into a loop and also has a base for supporting the annular element...
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WO/2008/050541A1 |
Disclosed is an antenna device reduced in size by decreasing the number of constituent components, wherein decrease in reliability due to heat of an internal heat-generating element can be suppressed. Specifically disclosed is an antenna...
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WO/2008/044557A1 |
Provided is an antenna comprising a radiation element and a reflecting plate arranged, while being held at a predetermined spacing, on the back face of the radiation element. This radiation element includes first and second antenna eleme...
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WO/2008/038688A1 |
P-MOS FETs (21,22), which are used as amplifying elements for amplifying an input signal from a loop antenna (1), are directly connected to the loop antenna (1), whereby the input signal from the loop antenna (1) can be received by the p...
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WO/2008/035700A1 |
A vehicle antenna device arranged in a door handle (1) includes a first antenna (11) which transmits and receives a communication radio wave to/from a key radio mobile device; and a second antenna (12) which transmits and receives a comm...
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WO/2008/029534A1 |
Even if IC tags adhered to the outer face of a physical distribution container or a pallet overlap each other, the transmissions to the IC tags can be satisfactorily performed to write and read data in and from the IC tags. Wireless IC t...
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WO/2008/029567A1 |
An antenna device comprises a bar antenna (5) in which a coil (3) is wound around a ferrite bar (2) and a case (11) for supporting the bar antenna (5). The case (11) includes two side wall parts (11a) the surfaces of which face each othe...
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WO/2008/024421A2 |
Embodiments of the invention provide a method, system and apparatus for detecting a merchandise marker in which a first antenna has a circuit having a first loop defining a first area and a second loop defining a second area substantiall...
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WO/2008/020382A2 |
The present invention discloses an antenna system for transmitting a RF signal comprising an antenna feeding circuit (10) and a small antenna (20) coupled to the feeding circuit (10). The system has a first resonant frequency inside a fi...
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WO/2008/020574A1 |
Provided is an antennal element which is to be used for a tag configuring a RFID (Radio Frequency Identification) system and can be easily manufactured. An antenna element (10) is provided with (A) a layer-like magnetic element (20) form...
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WO/2008/018231A1 |
An antenna coil (1) formed by wrapping a flexible board (3) around a magnetic core (2). A conductor is formed on the flexible board (3) to form a first coil section (4a) and second coil section (4b) on both sides of the magnetic core (2)...
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WO/2008/018413A1 |
Provided is a RFID magnetic sheet to be attached to an IC tag. The RFID magnetic sheet is provided with a plurality of stripe arranged layers (11a, 11b) whereupon a plurality of magnetic stripes (12) composed of a metal magnetic material...
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WO/2008/018179A1 |
An antenna core produced by shaping a soft magnetic metal powder with the use of a resin as a binder, wherein the soft magnetic metal powder is an amorphous soft magnetic metal powder, or nanocrystal-containing amorphous soft magnetic me...
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WO/2008/019157A1 |
An antenna assembly is capable of being installed in a structure wherein the structure includes a covering and a substructure and the antenna assembly is configured with thin film materials to have a total thickness such that the antenna...
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WO/2008/018211A1 |
This invention provides an antenna device that can realize high rigidity while using a fragile ferrite sinter and can realize excellent communication properties. In this antenna device, an antenna module comprises a magnetic core member ...
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WO/2008/016138A1 |
A very small loop antenna element of an antenna apparatus includes a plurality of loop antenna parts that each have a predetermined loop plane and radiate a first polarization component parallel to the loop plane; and at least one connec...
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WO/2008/013876A1 |
A door (10, 12, 14) and method of constructing a door whereby antenna coils (18) are routed through channels (16, 24) that are incorporated within the frame (22) of the door, and completely or partially hidden from sight. The door includ...
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WO/2008/013021A1 |
It is possible to provide an antenna device and a radio communication device capable of increasing the number of resonances and the bandwidth, improving the antenna efficiency, and performing accurate matching in all the resonance freque...
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