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WO/2004/030146A1 |
The device has an antenna element (401), a coil (402), a switch (403), an RF circuit part (306) and a conductive substrate (410). The switch (403) is used to switch between a case where current distribution exists only in the antenna ele...
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WO/2004/030148A1 |
An RFID tag provided with a coil antenna having conductors arranged around a magnetic core material, and comprising the magnetic core material, an FPC wound around the magnetic core material, two or more linear conductor patterns formed ...
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WO/2004/026025A1 |
An antenna system suitable for the detection of livestock (11) carrying coding electromagnetic signal emitters, the system comprising first and second antenna loops for positioning adjacent a detection path, e.g. a livestock race (10), t...
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WO/2004/025781A1 |
A loop antenna (30) where a radiation conductor (1) is shaped into a loop, power is supplied to one end side through a power supply terminal (4) and the other end side is connected with an earth conductor through an earth terminal (5). T...
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WO/2004/025782A1 |
An antenna structure not lowering the radio reception performance even in a metal casing. The antenna structure consists of a main magnetic path having a magnetic core surrounded by a coil and a sub-magnetic path not surrounded by a coil...
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WO/2004/025547A1 |
An antenna device for preventing communication failure by reducing the sub communicatable region formed around an antenna coil portion of a reader/writer. The antenna device (200) is provided to a reader/writer (20) for information commu...
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WO/2004/019448A1 |
The invention relates to a low-volume antenna comprising a radiating element. The aforementioned radiating element consists of coil-forming means (16) having a given axis, said coil-forming means being connected to an antenna conductor (...
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WO/2004/017463A2 |
The invention concerns patch antenna apparatuses. The inventive electronic apparatus is essentially characterized in that it comprises an insulating plate (1), a radiating element (2) on the surface (3) of the plate, said element (2) bei...
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WO/2004/015808A2 |
The invention relates to arrays of modular transmission antennas for an RF identification system, which can be configured in many different ways as required. The antennas of the array are all serially connected. Each antenna comprises a ...
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WO/2004/012299A2 |
The invention concerns a method for making a capacitive antenna (4) by performing a gravure process on the antenna comprising a single turn (9) connected to a capacitor (10), the turn and the capacitor being printed by a gravure process ...
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WO/2004/010532A1 |
The invention refers to a new type of multihole antenna which is mainly suitable for mobile communications or in general to any other application where the integration of telecom systems or applications in a single antenna is important. ...
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WO/2004/010457A1 |
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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WO/2004/006028A1 |
The invention concerns a timepiece, in particular a wristwatch comprising a middle (1), a watch movement (4) housed in the middle, a transmission and/or reception circuit (5) associated with said movement and an antenna (9) connected to ...
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WO/2004/002572A1 |
An implantable microstimulator (10) configured to be implanted for tissue stimulation employs a self-contained power source (16) and a bi-directional RF telemetry link (48) for allowing data-containing signals to be sent to and from the ...
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WO/2003/107475A2 |
An active RFID label is provided in which the antenna also forms the battery for the RFID chip that is part of the label. The antenna can be made of one or both of the electrodes forming a thin-film lithium-ion battery. The RFID chip, an...
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WO/2003/102566A2 |
Method and apparatus for detecting a selected material in a sample are disclosed. In the method, the sample (842) is placed adjacent a detector coil (846), for generating an electromagnetic time-domain signal composed of sample source ra...
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WO/2003/098544A1 |
The aim of the invention is to improve the ratio of all round effect and antenna gain to the outer dimensions of antennas with a ferrite core, in particular for mobile identification transmitters or transponders in comparison with prior ...
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WO/2003/096478A1 |
An antenna suitable for use in a Radio Frequency Identification (RFID) tag is disclosed. The antenna includes a plurality of discrete loop antennas (130, 140, 150) disposed concentrically on a substrate. Each one of said plurality of loo...
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WO/2003/096291A2 |
A RFID antenna apparatus and system comprising substantially coplanar first and second loop elements (44, 46) and a crossover element (47) that generally define an H-shape, the first and second loop elements (44, 46) having substantially...
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WO/2003/096041A1 |
An antenna and shield apparatus for detecting phenomenal signals using nuclear and electronic resonance detection technology, comprising: a transmit and receive antenna, an electric field shield (60) and an outer shield (52). The antenna...
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WO/2003/094288A1 |
A flexible curtain antenna (28) comprised of one or more panels (46) containing at least one conductor antenna (48). The conductors in the panels are coupled to a transmission device, such as an interrogation reader (20), to form an ante...
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WO/2003/094104A2 |
The invention concerns a non-contact RF-ID type label (7), comprising an antenna (1) and a chip (5), characterized in that the antenna (1) of said label (7) extends into the three spatial directions. The invention also concerns a method ...
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WO/2003/090310A2 |
An antenna system for an electronic article surveillance system comprising: a first antenna (10) and a second antenna (12), the first antenna and the second antenna mounted for use in an substantially overlapping manner, the first antenn...
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WO/2003/088486A2 |
The invention relates to a method for interpretation of a radio-electrical command for equipment in which the command is interpreted as a function of the emission zone thereof. The above is achieved whereby the electromagnetic characteri...
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WO/2003/087857A2 |
The invention relates to a method and device for picking up and processing interference fields and interference beams in the form of immissions from technical high-frequency sources provided with a ring antenna pick-up and with a measuri...
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WO/2003/085777A1 |
A wireless terminal for use in the transmitting and receiving frequency bands of a frequency duplex system comprises transmitting and receiving stages (Tx, Rx) and signal propagating means (22, 24, 26) coupled to the transmitting and rec...
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WO/2003/083770A1 |
A communication device capable of eliminating complexity of mounting a RFID part (1) onto a commodity such as an electronic device. For this, the RFID part (1) is fixed on an insulation substrate (2) and the insulation substrate (2) can ...
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WO/2003/077364A2 |
An antenna system (3) for a transponder radiofrequency reading device (1) ; the antenna system (3) having a flat, annular, circular first antenna (4) connected to a first tuning circuit (6) set to 13.56 MHz frequency; an emitting/recei...
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WO/2003/077366A1 |
A balanced antenna system for a communication device (101) includes a balanced transmission line (106) electromagnetically coupled to a transceiver of the device. A symmetrical dipole antenna element (105) is operable at a first frequenc...
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WO/2003/075403A1 |
The size of an antenna coil is reduced and it is possible to prevent lowering of the reception sensitivity due to difference of the arrangement position of the antenna coil. On a winding frame (3) of a ferrite core (2), a first coil (5) ...
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WO2003041217A9 |
A loop antenna (4) for use with a communication device (1), comprising two or more radiation loops (4T1, 4T2). Each loop includes a plurality of electrically conducting segments where the segments are electrically connected in series to ...
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WO/2003/063296A1 |
An apparatus for conveying electromagnetic energy intermediate a host device and a medium substantially adjacent to the apparatus includes: (a) a transceiver for transmitting the energy to and receiving the energy from the medium; (b) a ...
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WO/2003/061366A2 |
Methods, systems, and articles of manufacture consistent with certain aspects related to the present invention collect item information from RFID tags (501 and 502) attached to items in an inventory (fig. 3A), and uses the collected item...
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WO/2003/063055A2 |
Digitized signatures (10, 10’) are recorded in respective digitized signature records (40). Each digitized signature record (40) includes at least the position of each point of a signature in coordinates relative to a coordinate of a p...
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WO/2003/060819A1 |
An RFID tag (1) arranged attachable to an object of attachment, the tag (1) including an RFID circuit (2) comprising a microcircuit (3) for storing information in the tag (1), and an antenna (4) for transferring the information stored by...
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WO/2003/061066A1 |
There is disclosed a portable electronic device (15) including an electronic circuit for receiving radiobroadcast signals whose frequency belongs to the very high frequency range (VHF). Said receiving circuit includes, in particular, an ...
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WO/2003/061060A2 |
An inventory control system and method (fig. 3A) that tracks inventories of items with RFID tags (501 & 502), includes a reader unit (120) and an intelligent station (124) that tracks RFID tags to determine item information of items to b...
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WO/2003/061069A1 |
An antenna comprises a soft magnetic member (5) and a conductive member (7). The soft magnetic member (5) is provided between an antenna coil (4) of one or more turns and a metal surface (6) of a conductive article such as a metal case o...
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WO2003032434B1 |
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 (105, 115, 110, 120) is an orthogonal antenna system that may be...
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WO/2003/055005A1 |
The invention concerns electromagnetic detection systems designed to detect stolen objects, and comprising at least a transmission antenna and at least a reception antenna, the or each transmission antenna being powered by a power amplif...
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WO/2003/050913A1 |
The invention relates to a contact-less identification device comprising a flat conducting structure as an electromagnetic sensor or transducer, and more particularly the invention relates to contactless cards, hybrid cards and radio ope...
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WO/2003/050917A1 |
An antenna system comprising a plurality of antennas (70, 76, 140, 142) designed and oriented to provide one or more of radiation pattern, signal polarization and spatial diversity. The various diversity operational characteristics are a...
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WO/2003/049230A1 |
The invention relates to an antenna system (1) that generates a quasi-isotropic magnetic field. According to the invention, the antenna system is configured by a one-piece antenna support (2) comprising three loop antennae (11, 12, 13) o...
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WO/2003/047034A1 |
A first loop antenna (2) for GPS use is formed on a dielectric board (10) to make a small−sized composite antenna for action in different frequency bands. A second loop antenna (3) for electromagnetic beacon in VICS is formed almost co...
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WO/2003/044894A1 |
An antenna assembly (2) for a wireless communication device including a first electrically conductive loop (L1) in a first plane, a second electrically conductive loop (L2) in a second plane orthogonal to the first plane, and a block of ...
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WO/2003/041219A1 |
A multi-band compressed loop antenna is formed of multiple, directly and/or indirectly connected, compressed loops for use in a communication device to exchange energy over multiple frequency bands of operation. Each loop is formed by mu...
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WO/2003/040950A2 |
The present invention relates to a dual antenna coil (112, 114) identification system, and more particularly, to an interrogator (100) or reader for inductively coupling to a transponder and thereby extract data from the transponder. The...
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WO/2003/038748A1 |
A method for manufacturing antennas made for electrically conductive metal on a substrate by means of screen printing, comprises the steps of: unwinding a substrate web made of a flexible substrate material from a stock reel as the subst...
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WO/2003/036760A1 |
In a transmission antenna comprising an antenna coil that has a core around which a coil wire are wound and a capacitor that is connected to the coil wire and forms a series resonant circuit along with the inductance of the antenna coil,...
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WO/2003/036761A1 |
A transmission antenna comprises an armature coil equipped with a winding−wound core and a capacitor connected to the winding for forming a series resonance circuit with the inductor of this antenna coil. This antenna coil comprises a ...
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