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Patent Searching and Data


Matches 351 - 400 out of 7,830

Document Document Title
WO/2011/121933A1
A magnetic sheet for use with an antenna module is provided. The magnetic sheet may have a magnetically permeable layer having a plurality of randomly shaped pieces such that the magnetic sheet is configured to affect a resonance frequen...  
WO/2011/118379A1
Disclosed is an RFID system that has excellent high-frequency signal transmission efficiency, and that can maintain a communication range even if an RFID tag is installed in a flat circuit board. The RFID system transmits a high-frequenc...  
WO/2011/117621A3
There is disclosed an antenna arrangement having a parasitic conductive loop (1) and at least one active radiating element (9). The conductive loop (1) comprises first and second electrically conductive passive radiating elements (2, 3) ...  
WO/2011/113472A1
The present invention relates to an antenna device for operation in at least at least two operational frequency bands. The antenna device comprises a loop element (1) having a feeding end for connection to radio communication circuitry (...  
WO/2011/114527A1
Power can be received through both surfaces of a case by means of a wireless power supply method using magnetic resonance. Disclosed is a mobile telephone (20, 22-27) provided with: a power receiving resonance coil (52) which is disposed...  
WO/2011/111509A1
In order to obtain a radio communication device having a high radiation gain not only on a surface mounted on a metal plate or a metal member but on the surface opposite the mounted surface as well, and to obtain a metallic article, a ra...  
WO/2011/111578A1
Disclosed is a downsized, thinner high frequency coupler which is used for communicating high frequency signals, and is resistant to lateral sliding. The coupler is provided with a circuit board, and an antenna element formed on either t...  
WO/2011/108340A1
Disclosed is a wireless communication module which is capable achieving a small profile and which, even when bonded to a flexible base material, is not prone to fall off of the same; also disclosed is a wireless communication device. The...  
WO/2011/108339A1
In order to obtain a radio communication module, a radio communication device, and a radio communication terminal in which the accuracy of the position of a feed circuit board with respect to an antenna pattern can be relaxed and product...  
WO/2011/108341A1
In order to obtain a radio communication device and a radio communication terminal in which the coupling between an antenna pattern and a loop electrode included in a feed circuit board is reliable and a signal can be transmitted efficie...  
WO/2011/104593A1
An antenna system includes a folded loop radiator including a first loop portion conforming to a major surface of a planar substrate and an opposing second loop portion spaced apart from the planar substrate and including first and secon...  
WO/2011/101850A1
A multiple antenna reading system suitable for use with contactless transaction devices, the system including at least one reader, at least first and second antennas having at least some inductive coupling therebetween and being coupled ...  
WO/2011/102194A1
Disclosed are a composite printed wiring board and a wireless communication system which have simple structures, can be designed with improved radiation gain, and are suited to RFID systems. The composite printed wiring board is provided...  
WO/2011/100618A1
Embodiments relate to planar (double-sided) and printed (single-sided) compound field antennas. Improvements relate particularly, but not exclusively, to compound loop antennas having coplanar electric field radiators and magnetic loops ...  
WO/2011/095207A1
An antenna device comprises a loop element (27) having a length (L1) providing loop resonance at a first wavelength, where a resonance frequency of this wavelength is used in a desired frequency band. A capacitance (28) is provided betwe...  
WO/2011/092309A1
The invention relates to an antenna core (10), an antenna (30) comprising an antenna core (10), and to methods for producing an antenna core (10) and an antenna (30). The antenna core (10) used in each case consists of a continuous soft-...  
WO/2011/092498A1
A backfire dielectrically loaded antenna (1) comprising: an electrically insulative dielectric core (12) of a solid material having a relative dielectric constant greater than 5; a three-dimensional antenna element structure including at...  
WO/2011/093645A2
The present invention relates to a hybrid antenna combining a helical antenna of a 2D planar spiral shape with a loop antenna used for 13.56 Mhz M-Commerce, and a fabrication method therefor. In particular, a hybrid antenna (300) is form...  
WO/2011/093151A1
A semiconductor device capable of inputting signals and power without the use of an FPC is provided. The semiconductor device includes a first substrate and a second substrate. A receiver antenna is provided on a surface side of the firs...  
WO/2011/092499A1
A radio communication apparatus comprising: (a) a backfire dielectrically loaded antenna (1) comprising : an electrically insulative dielectric core of a solid material having a relative dielectric constant greater than 5; a three-dimens...  
WO/2011/093645A3
The present invention relates to a hybrid antenna combining a helical antenna of a 2D planar spiral shape with a loop antenna used for 13.56 Mhz M-Commerce, and a fabrication method therefor. In particular, a hybrid antenna (300) is form...  
WO/2011/093091A1
Disclosed is an antenna component (1) equipped with: a hollow component (3); a magnetic core material (2) inserted into the hollow component (3); and a coil wrapped around the perimeter of the hollow component (3). The hollow component (...  
WO/2011/087123A1
A radiation element (115) of an antenna device, which is comprised of continuous conductive paths, has first and second root sections (117, 118), and an intermediate section located in between the first and second root sections (117, 118...  
WO/2011/087751A3
An antenna system for reception and transmission of radio frequency (RF) signals and a method for tuning the antenna system are provided. The antenna system includes a ground plane, a first element and a second element. The first element...  
WO/2011/085097A3
A dielectric structure for positioning adjacent to an active element of an antenna for radio frequency (RF) applications, the dielectric structure comprising: a plurality of individual dielectric material layers in a stacked layer arrang...  
WO/2011/085097A2
A dielectric structure for positioning adjacent to an active element of an antenna for radio frequency (RF) applications, the dielectric structure comprising: a plurality of individual dielectric material layers in a stacked layer arrang...  
WO/2011/085097A9
A dielectric structure for positioning adjacent to an active element of an antenna for radio frequency (RF) applications, the dielectric structure comprising: a plurality of individual dielectric material layers in a stacked layer arrang...  
WO/2011/082008A1
A radiating antenna element intended for portable radio devices and methods for designing manufacturing the same. In one embodiment, a loop resonator structure for enhanced field (e.g., electric field) is provided, the resonator having a...  
WO/2011/078293A1
Provided is a RFID tag which has a significantly wide bandwidth as an antenna, and operates stably. The RFID tag comprises a looped feed element formed on a base, an IC chip electrically connected to the looped feed element and placed on...  
WO/2011/077877A1
Disclosed is an antenna that minimizes degradation of communication performance, which depends on an angle made with a reading surface of a reader/writer. Also disclosed is a handheld terminal provided with the disclosed antenna. A coil ...  
WO/2011/076999A1
In accordance with one example embodiment of the present invention an apparatus is disclosed. The apparatus includes a cover, a ground plane (34), a first inductor (36), and a second inductor (38). The cover includes a first end and an o...  
WO/2011/077878A1
Disclosed is an antenna which suppresses degradation of communication performance due to the angle formed with the reading screen of a reader/writer; also disclosed is a mobile terminal provided with said antenna. A spiral coil conductor...  
WO/2011/074629A1
A forming die (2) having a forming surface for forming a wire into a looped shape, forming plates (11a to 11c, 12a to 12c, 13a to 13c, 14a to 14d) movable in a direction approaching or departing from the forming surface of the forming di...  
WO/2011/068674A3
Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. A parallel- fed loop antenna may be formed fr...  
WO/2011/062238A1
Disclosed is an antenna device, which has improved gain of transmitting/receiving signals, and excellent communication performance. Also disclosed is a mobile communication terminal. The antenna device is provided with: a power feed memb...  
WO/2011/063314A1
The antenna device includes an electrical conductor extending on a substrate and having at least one gap therein, and with an outer ring portion to define a radiating antenna element, and at least one inner ring portion to define a feed ...  
WO/2011/063270A1
A system and method for fabricating a mandrel wound antenna are provided. The method includes securing a first end of a wire to a first portion of a mandrel tool, where the mandrel tool includes a faceplate supporting a plurality of post...  
WO/2011/059151A1
According to one embodiment of the present invention, a transparent loop antenna for an RFID tag comprises: a substrate which is made of a transparent plastic material; and an antenna which is implemented on the substrate in a spiral loo...  
WO/2011/056891A1
In an inductively coupled radio frequency identification (RFID) system deployed in animal and livestock applications, reading system efficacy can be compromised by animal movement on, around, or near metal structures prone to producing s...  
WO/2011/055177A1
A wireless communications terminal can include a housing having an interior surface that is configured to enclose at least a controller circuit, a transceiver circuit, and a RF feed circuit and to at least partially enclose a display dev...  
WO/2011/055702A1
Disclosed are a wireless IC tag, reader/writer, and information processing system capable of improving energy transmission efficiency and increasing communication distance. The wireless IC tag is provided with a wireless IC chip (10) and...  
WO/2011/048728A1
Disclosed is a near field communication apparatus which includes: a first resonant circuit including a first antenna; a reader/writer functional section, which generates alternating current signals of predetermined output by means of pre...  
WO/2011/045970A1
Disclosed are an antenna facilitating impedance matching with a wireless IC to reduce deterioration of gain, and a wireless IC device provided with the same. The antenna (101) is provided with a loop electrode (10) that is formed into a ...  
WO/2011/038333A2
A logging while drilling tool (100) includes a directional resistivity antenna and an antenna shield (150,250,350,450,550). The shield (150,250,350,450,550) has at least one slot (160) having at least one electrically open end (165) form...  
WO/2011/036963A1
A coil conductor (CW) shaped like a rectangular spiral is formed on a flexible substrate (10). A rectangular opening is formed in the middle of the region in which the coil conductor (CW) is formed, and a magnetic core (1) is inserted in...  
WO/2011/036418A1
The present invention relates to a miniature antenna (10) comprising a structure inspired by meta-materials with a first inductive conducting element (13) on one surface of a substrate (12) and, on the other surface, an energising elemen...  
WO/2011/036962A1
A coil conductor (CW) shaped like a rectangular spiral is formed on a flexible substrate (10). A rectangular opening is provided in the middle of the region in which the coil conductor (CW) is formed, and a magnetic core (1) is inserted ...  
WO/2011/036914A1
A rectangular-spiral-shaped coil conductor (CW) is formed on a flexible substrate (10). A rectangular aperture is provided to the central portion of the region wherein the coil conductor (CW) is formed, and a magnetic core (1) is inserte...  
WO/2011/038333A3
A logging while drilling tool (100) includes a directional resistivity antenna and an antenna shield (150,250,350,450,550). The shield (150,250,350,450,550) has at least one slot (160) having at least one electrically open end (165) form...  
WO/2011/035191A3
Exemplary embodiments are directed to wireless power. A method may include reorienting at least one transmit antenna to reduce orthogonality with a receive antenna of at least one chargeable electronic device in response to receiving the...  

Matches 351 - 400 out of 7,830