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Patent Searching and Data


Matches 601 - 650 out of 4,722

Document Document Title
WO/2008/073218
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...  
WO/2008/065994
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...  
WO/2008/065127
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...  
WO/2008/065127
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...  
WO/2008/065992
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...  
WO/2008/062828
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...  
WO/2008/062588
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...  
WO/2008/061800
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...  
WO/2008/062514
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...  
WO/2008/061114
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 ...  
WO/2008/056601
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...  
WO/2008/053631
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...  
WO/2008/051057
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...  
WO/2008/050869
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...  
WO/2008/051701
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...  
WO/2008/050541
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...  
WO/2008/044557
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...  
WO/2008/038688
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...  
WO/2008/036077
Embodiments of a multi-axial antenna system and system for measuring subsurface formations are generally described herein. Other embodiments may be described and claimed. In some embodiments, the multi-axial antenna system (100 in Fig. 1...  
WO/2008/036077
Embodiments of a multi-axial antenna system and system for measuring subsurface formations are generally described herein. Other embodiments may be described and claimed. In some embodiments, the multi-axial antenna system (100 in Fig. 1...  
WO/2008/035700
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...  
WO/2008/029534
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...  
WO/2008/029567
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...  
WO/2008/024421
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...  
WO/2008/024421
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...  
WO/2008/020382
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...  
WO/2008/020382
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...  
WO/2008/020574
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...  
WO/2008/018179
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...  
WO/2008/018413
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...  
WO/2008/018211
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 ...  
WO/2008/018231
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)...  
WO/2008/019157
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...  
WO/2008/016138
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...  
WO/2008/012355
A device comprising an electric antenna and a magnetic antenna (20, 30) is described, the antennas (20, 30) being spatially arranged in immediate mutual proximity. The electric antenna (20) has at least one current-carrying electric cond...  
WO/2008/013021
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...  
WO/2008/013876
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...  
WO/2008/010329
A coil component having a magnetic core and a coil wound around the magnetic core. The coil component also has an eddy current producing member constructed from one of or by combining a tape member using electrically conductive metal foi...  
WO/2008/004325
An antenna device having a magnetic core (2) that is surface-mounted on a circuit board (1). The antenna device further has a pair of coil sections (A, B) formed spaced apart from each other a predetermined distance d, and the coil secti...  
WO/2008/004359
An antenna coil (2) is provided with a first magnetic core (4a), a second magnetic core (4b) and a flexible substrate (5). On the front plane of the flexible substrate (5), a coil conductor is formed. As the flexible substrate (5) is wou...  
WO/2008/004326
An antenna coil (2) having a first magnetic core (4a), a second magnetic core (4b), and a flexible substrate (5). A coil conductor is formed on the surface of the flexible substrate (5). The flexible substrate (5) is wound around the fir...  
WO/2008/000385
The invention concerns an antenna printed on a printed circuit (300) comprising at least one first magnetic loop (31) printed on a first surface of the circuit, said first magnetic loop comprising two ends facing opposite each other and ...  
WO/2008/000848
The device is structured on the basis of a core (1) of magnetic material, of small size, with a relative magnetic permeability greater than 10, with a surrounding winding (2) that extends along the core, the ends of which are connected t...  
WO/2007/148438
[PROBLEMS] To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna. [MEANS FOR SOLVING PROBLEMS] A magnetic material antenna using a ferrite sinter,...  
WO/2007/147593
The invention relates to a transponder comprising an electronic memory chip (21) and a magnetic circular antenna, characterised in that said circular antenna has an electroconductive coil (22) having at least one winding and one capacito...  
WO/2007/138770
To provide a transponder capable of having desired characteristics by an extremely novel method for forming a resonance circuit, despite the fact that its cost is low and its structure is simple. An antenna circuit (41) to be provided in...  
WO/2007/137798
The invention relates to an antenna configuration that has at least one electrically isolating carrier substrate and at least one electrically conductive layer applied to at least one side of the carrier substrate, with the electrically ...  
WO/2007/136022
A position detection system is formed by network connection of a plurality of interrogators and a server. An RFID and the interrogators communicate wirelessly, whereby a distance from each interrogator to the RFID is searched to search a...  
WO/2007/125948
Disclosed is an electronic circuit module (1) with built-in antenna, which comprises a wiring board (2), a mounting module composed of a passive component and a semiconductor device, a resin sheet substrate (11) wherein an antenna patter...  
WO/2007/119310
A small antenna which can ensure a wide band is provided. The antenna is provided with magnetically coupled inductance elements (L1, L2). The antenna includes an LC serial resonance circuit composed of the inductance element (L1) and cap...  

Matches 601 - 650 out of 4,722