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WO2004104912B1 |
An information recording medium includes a base material having an antenna and an electronic part substrate having an information recording circuit and attached to the base material. The antenna of the base material is electrically conne...
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WO/2005/010811A1 |
The inventive detection or identification antenna comprises at least one spiral (3 to 5) which consists of at least one electroconductive wire and is connected to an transponder electronic chip (7) and whose operating frequency is equal ...
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WO/2005/008830A2 |
An antenna (100), comprising a core (101) formed of ferrite and an antenna copper plate (102) wound generally one turn on the outer periphery of the core (101). The length L1 of the core (101) is equal to the length L2 of the antenna cop...
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WO/2005/008834A1 |
The present invention provides an internal antenna for wireless devices comprising a ground plane and a planar loop antenna. The shorted loop antenna is provided with a gap and operates at a quarter wavelength. The compact single feed du...
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WO/2005/006579A1 |
An antenna device for a portable radio communication device adapted for receiving radio signals comprises an internal radiating element (10) comprising at least one feeding portion (21, 22) connected to a receiver circuit (40). The radia...
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WO/2005/006491A1 |
To provide a loop antenna capable of attenuating the distant electric field with the attenuation of the magnetic flux in the vicinity of an electromagnetic wave restrained, and a contactless IC card read/write apparatus. A loop antenna 1...
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WO/2005/006492A1 |
The invention relates to an antenna for receiving electromagnetic waves in the high-frequency range, in at least two different frequencies. Two wire windings (6.1, 6.2) are arranged on a ferrite core (5) in a spatially separated manner, ...
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WO/2005/004044A1 |
A transponder comprises an antenna circuit (20) having at least an antenna coil formed on the surface of a specified basic material (11) of a printed wiring board, and an IC chip (25) mounted on an IC chip mounting part formed on the ant...
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WO/2005/004050A1 |
A conductive sheet (1) for a non-contact type IC card having a built-in antenna has an insulating base body (2). A conductive layer (3) is formed on both of the front surface and the rear surface of the insulating base body (2). The cond...
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WO/2005/002081A1 |
At least a part of conductor (5a) of a loop coil antenna (5) for performing non-contact data communication by using electromagnetic induction is arranged to surround the side surfaces of a case (2a), so that the loop coil antenna (5) has...
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WO/2005/001894A2 |
A wireless untethered device which may be an integrated circuit chip or printed circuit board having at least one integrated antenna (Antenna) and circuitry (R, L, C) operatively associated with the antenna for receipt of energy harveste...
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WO/2004/112191A1 |
An antenna (21) installed at a feeder fixing section of a surface mounting machine in order to perform communication with a radio tag (20) provide to a component feeder. The antenna (21) comprises an antenna substrate (22) secured to the...
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WO2004091040A9 |
A nested cavity embedded loop mode antenna is provided with an ultra wide band response by nesting individual embedded cavity meander line loaded antenna modules, with the meander lines coupled to a ground plane plate either capacitively...
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WO/2004/102735A2 |
In accordance with an exemplary embodiment of the invention, an antenna structure (200) is provided having a “figure eight”-type geometry. Preferably, the “figure eight” antenna structure is a planar antenna having two center fee...
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WO/2004/102738A1 |
There is provided an electronic device having a metal package unit having a built-in antenna unit having a preferable radio wave reception performance and not restricted by the material or the design. The electronic device (30) includes ...
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WO/2004/100309A2 |
An antenna is provided having an integral balun (202) that together with a transmission medium forms a radiating structure for the antenna. In accordance with an exemplary embodiment of the invention, an antenna in the form of a resonant...
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WO/2004/100366A2 |
A security tag includes a combination of a resonant frequency circuit (10) with an adjacent amplification shield (12) for enhancing output signal amplitude. The amplification shield is located adjacent to the resonant frequency circuit a...
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WO/2004/099884A1 |
Photovoltaic power generation means (6) is provided in proximity of a back lid (3) side surface of a dial (21) made from a material with non-magnetic, light transmittance characteristics. A supporting board (62) of the photovoltaic power...
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WO/2004/097980A1 |
A wideband flat antenna includes N linear elements consisting of first to N-th linear elements, wherein the length of the (N-1)-th linear element is set longer than the (N-2)-th linear element and the area of the (N-1) linear element is ...
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WO2004070879B1 |
An antenna device (100-116) is composed of a microloop antenna (A3) and at least one antenna element (A1, A2). The microloop antenna (A3) is disposed electromagnetically near a dielectric substrate (10) having a grounding conductor (11)....
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WO/2004/094763A2 |
Inductors and inductive devices are formed of a conductive loaded resin-based material (12). The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and...
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WO/2004/095626A2 |
An RF driver circuit and an orthogonal antenna assembly/configuration, are disclosed as part of a method and system for generating high density plasma. The antenna assembly is an orthogonal antenna system that may be driven by any RF gen...
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WO/2004/095636A1 |
An antenna device (1) comprising an antenna unit (2) consisting of an antenna core unit (5) provided with a soft magnetic element (51) having a conductivity and a conductor wire unit (6) attached to the antenna core unit (5). At least pa...
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WO/2004/093002A1 |
The invention relates to a transponder comprising an antenna and a transponder circuit that is connected to the antenna. The aim of the invention is to create a transponder which can be produced in a particularly simple and inexpensive m...
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WO/2004/091940A1 |
A tire watch system, where the reception of a radio wave that is transmitted from a sensor device provided in each tire can be performed with high gain by one antenna connected to a watch unit. An antenna (50) connected to a watch unit a...
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WO/2004/091044A1 |
The invention relates to an electronic circuit containing: a carrier (2; 13); at least one antenna (3) that is fixed to said carrier and has a ferrite core (31) and a plurality of windings (32); and a frame (30) which surrounds said ferr...
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WO/2004/086559A1 |
An isotropic antenna where the radiation pattern is uniform in all directions. The isotropic antenna comprises a spool (11) of an electric insulator having conductor winding parts around three orthogonal axes. A conductor of nonmagnetic ...
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WO/2004/086561A1 |
A dielectrically-loaded loop antenna has a cylindrical dielectrical core (12), a feeder structure (18) passing axially through the core, a sleeve balun (20) encircling one end portion of the core and helical antenna elements (10A - 10B) ...
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WO/2004/084348A1 |
An antenna device having a loop antenna with a good noise resistance performance. The loop antenna is composed of a loop conductor section formed of a looped conductive wire and a shield member covering the loop conductor section. The an...
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WO/2004/080112A2 |
An earphone antenna wherein two pairs of audio/high-frequency signal lines corresponding to left and right earphone units connected to a balance-unbalance transformer are provided, the terminals of the audio/high-frequency signal lines o...
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WO/2004/077612A1 |
An antenna device for receiving AM radio broadcasts and FM radio broadcasts. The antenna device can be realized at low cost. An FM antenna conductor (2) for receiving FM radio broadcasts is a metal pipe having a good conductivity. An AM ...
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WO/2004/077604A2 |
Disclosed are systems and methods which provide a tapered conductor strip adapted for broadband wireless communication. Embodiments provide a conductor strip which is curved along its face, thereby providing an aperture taper. The conduc...
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WO/2004/077608A2 |
An antenna arrangement (210) for generating an electric field inside a process chamber (202) through a window (212). Generally, the antenna arrangement (210) comprises an outer loop (610), comprising a first outer loop turn (618) dispose...
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WO/2004/074873A1 |
A system is disclosed for avoiding and/or minimizing coupling nulls between an electromagnetic field derived from one or more sources and a plurality of randomly oriented RFID tags. The plurality of tags is arranged to move relative to t...
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WO/2004/066434A2 |
An electronic article surveillance antenna system for wide exit interrogation zones is provided. In a first aspect, a first and a second transmit antenna, each adapted for installation on opposite sides of a wide interrogation zone. A th...
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WO/2004/066438A1 |
The aim of the invention is to create a highly bendable antenna core (8) which is highly bendable for high-frequency identification systems and which substantially retains its soft-magnetic properties when bending occurs. Said aim is ach...
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WO/2004/064193A1 |
A small-sized, broadband antenna and a small-sized, broadband electronic device housing this antenna are disclosed. This antenna comprises a feeding element having a feeding end, an antenna core portion around which the feeding element i...
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WO2004047222A9 |
The disclosed embodiments of the present invention include an antenna element (52) having a generally low profile and providing a large bandwidth. Designs and physical configurations for multi-frequency, low-profile, capacitively loaded ...
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WO/2004/061753A2 |
A radio frequency identification (RFID) inlay (102) includes a conductive (124) or capacitive connection electrically connecting an antenna (106) to strap leads (116) that are coupled to an RFID chip (110). The conductive connection may ...
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WO/2004/059259A2 |
A gauge for detecting the level of ink in a printer's ink reservoir includes: a transmitter antenna adapted to be positioned adjacent to an outer surface of a printer's ink reservoir; a transmitter circuit operatively coupled to the tran...
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WO/2004/049278A2 |
The invention provides a multi-loop antenna (30) that produces an electromagnetic field having a magnitude of at least an interrogation threshold of a tag for a substantial portion of an interrogation region located in a plane parallel t...
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WO/2004/049498A2 |
An antenna array and signal preprocessing apparatus and method. The antenna array is a quadrature polarized array having two orthogonal electric dipoles (30) and two orthogonal magnetic dipoles (40). The preprocessor is for preprocessing...
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WO/2004/040698A1 |
The invention relates to a reader or transmitter and/or receiver (22) comprising a shrouded antenna which is formed by two groups of turns or coils (6, 8, 9; 16, 17). The first group of turns or coils forms a shrouded antenna. The second...
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WO/2004/040697A1 |
The present invention relates to a wireless communication device and an antenna arrangement in such a device, where a loop antenna element (18) comprises: a first section (20) provided in and extending a length in a first plane, a second...
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WO/2004/038851A2 |
A stagger tuned meanderline loaded antenna is disclosed. The antenna meanderlines are configured for manipulating the antenna's current null, which enables a combination of loop mode and monopole mode current distribution. The antenna qu...
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WO/2004/034512A1 |
The inventive electronic circuitry comprises an integrated circuit panel assembly (2) with a transmitting and/or receiving component (3) arranged thereon and an antenna (4) connected to said transmitting and/or receiving component (3). S...
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WO/2004/029869A1 |
An antenna device (60) which is used in a recording and/or reproducing device for writing and reading data to/from a non-contact IC card (1), and which has a loop coil (61) that emits an electromagnetic field to magnetically couple with ...
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WO/2004/030149A1 |
The specification discloses a printed circuit board based ferrite core antenna. The traces (54,58) of the boards (50,52) form the windings for the antenna, and various layers (62A, 62B, 62C) of the printed circuit board hold a ferrite co...
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WO/2004/029868A1 |
An antenna device (60) which is used in a recording and/or reproducing device for writing and reading data to/from a non-contact IC card (1), and which has a loop coil (61) that emits an electromagnetic field to magnetically couple with ...
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WO/2004/029870A1 |
An electronic device with communication capability comprises a metallic housing (122) containing electronic components, and a communication antenna part (90) located in the housing for performing communication with an IC card (110) that ...
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