Patents
Patents for H01Q 7 - Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop (7,833)
06/2003
06/04/2003EP0876688B1 ANTENNA FOR FREQUENCIES IN EXCESS OF 200 MHz
06/04/2003CN1110770C Module for IC card, IC card and method for producing module for intelligent card
06/03/2003US6574454 Radio frequency antenna with current controlled sensitivity
05/2003
05/30/2003WO2003044894A1 Antenna assemblies for wireless communication devices
05/29/2003US20030098814 Multiband antenna formed of superimposed compressed loops
05/29/2003US20030098783 Transponder reading device
05/28/2003EP1315234A1 VHF receiving antenna housed in the bracelet of a portable electronic device
05/28/2003EP1315135A1 Antenna for detection of tags
05/27/2003US6570543 Conformal, high-frequency, direction-finding antenna
05/27/2003US6570541 Systems and methods for wirelessly projecting power using multiple in-phase current loops
05/27/2003US6568600 Chip card equipped with a loop antenna, and associated micromodule
05/22/2003US20030096637 Loop antenna formed of multiple concentric irregular loops
05/21/2003EP1313169A2 Receiving antenna and arranging method for receiving antenna of communication device
05/21/2003EP1313168A2 Method for arranging receiving antenna of communication apparatus
05/21/2003EP1312136A1 Shortened dipole and monopole loops
05/21/2003EP1201007B1 Antenna for contactless cards, hybrid cards and electronic labels
05/20/2003US6567050 Loop antenna compensator
05/20/2003US6567002 Transponder reading transducer to control passages
05/20/2003US6566881 Shielding method and apparatus using transverse slots
05/15/2003WO2003041219A1 Loop antenna formed of multiple nested irregular loops
05/15/2003WO2003041217A2 Multiband antenna formed of superimposed compressed loops
05/15/2003WO2003040950A2 Dual antenna coil transponder system
05/15/2003US20030090434 Method for arranging receiving antenna of communication apparatus
05/15/2003US20030090429 Arranging method for receiving antenna of communication device
05/15/2003US20030090427 Conformal, high-frequency, direction-finding antenna
05/15/2003US20030090424 Locating technique and apparatus using an approximated dipole signal
05/14/2003EP1309938A1 Antenna generating an electromagnetic field for transponder
05/14/2003CN2550915Y Three dimension geometric space circular antenna
05/13/2003US6563474 Remote access device having multiple inductive coil antenna
05/13/2003US6563469 Four-point loop antenna into which a matching circuit is integrated
05/08/2003WO2003038748A1 Rotary screen printing method for manufacturing an antenna
05/08/2003US20030085057 Method for forming a line pattern, line pattern, and electro-optic device
05/07/2003EP1308884A1 Rfid tag installing structure, rfid tag installing method, and rfid tag communication method
05/07/2003EP1308883A1 Rfid tag housing structure, rfid tag installation structure and rfid tag communication method
05/07/2003EP1307942A1 Antenna device
05/06/2003US6559804 Electromagnetic coupling type four-point loop antenna
05/06/2003US6557767 Antenna frame for IC card and process for manufacturing the same or IC card using the same
05/02/2003EP1305843A1 Antenna arrangement and portable radio communication device
05/01/2003WO2003036761A1 Antenna coil and transmission antenna
05/01/2003WO2003036760A1 Antenna coil and transmission antenna
05/01/2003WO2003015216A3 Electronic article surveillance antenna coils with variable wind_geometry
04/2003
04/29/2003US6556175 Non-contact type IC card, antenna and antenna frame for IC card
04/29/2003US6556054 Efficient transmitters for phase modulated signals
04/24/2003WO2003034085A1 Apparatus and method of increasing the sensitivity of magnetic sensors used in magnetic field transmission and detection systems
04/24/2003US20030076096 Apparatus and method of increasing the sensitivity of magnetic sensors used in magnetic field transmission and detection systems
04/24/2003DE20204516U1 Antenna system for handling signals from remote door locking device to gain access to road vehicle, in which Bowden cable operating window is used as antenna
04/22/2003US6552694 Semiconductor device and fabrication method thereof
04/22/2003US6552530 Super-toroidal electric and magnetic field generator/detector, and sample analyser and treatment apparatus using same
04/17/2003WO2003032434A1 Plasma production device and method and rf driver circuit
04/17/2003US20030071757 Loop antenna, surface-mounted antenna and communication equipment having the same
04/17/2003CA2463528A1 Plasma production device and method and rf driver circuit
04/15/2003US6549176 RFID tag having integral electrical bridge and method of assembling the same
04/10/2003WO2003030300A1 Antenna coil and rfid-use tag using it, transponder-use antenna
04/09/2003CN1409436A Card-reading machine antenna for non-contact card
04/03/2003WO2003028155A1 Electromagnetic wave marker and electromagnetic wave marker system
04/03/2003US20030063040 Four-point loop antenna into which a matching circuit is integrated
04/03/2003US20030063038 Electromagnetic coupling type four-point loop antenna
04/03/2003US20030063034 Radio guidance antenna, data communication method, and non-contact data communication apparatus
04/03/2003US20030062411 Electronic voting apparatus and method for optically scanned ballot
04/02/2003EP1298761A2 Radio guidance antenna, data communication method, and non-contact data communication apparatus
04/02/2003EP1298578A1 Noncontact ic card
04/02/2003EP1298573A2 Radio frequency identification system comprising a plurality of antennas
04/02/2003EP1297589A1 Apparatus for electromagnetic spectroscopy
04/02/2003EP0880714B1 Antenna system comprising driver circuits for transponder
04/02/2003CN1407731A Resonance antenna
03/2003
03/27/2003WO2003026067A1 Rfid system
03/27/2003US20030058086 Control apparatus
03/27/2003US20030057288 Carrier element for an antenna
03/26/2003EP1295359A2 Wideband meander line loaded antenna
03/26/2003EP1295358A1 Convertible loop/inverted-f antennas and wireless communicators incorporating the same
03/26/2003EP1153317B1 Method of interrogating a radio frequency identification device
03/25/2003US6538616 Cubic antenna
03/25/2003US6536538 Establishing positions of locating field detectors and path mapping in underground boring tool applications
03/20/2003US20030052826 Low profile dielectrically loaded meanderline antenna
03/20/2003US20030052788 Medical assistance and tracking system and method employing smart tags
03/20/2003US20030052783 Dock door RFID system
03/20/2003US20030051913 Mapping tool for tracking and/or guiding an underground boring tool
03/12/2003EP1290756A1 Antenna for contact-free transmission/reception reading system
03/12/2003EP1037753B1 Annular apparatus for tire data transmission, apparatus for measuring tire data having a transponder, an antenna and a pneumatic tire comprising a transponder with an antenna
03/12/2003EP0771478B1 Attenuator
03/06/2003WO2002078121A3 Loop antenna including a first loop coupled to reference loop antennas in a mobile communication apparatus
03/05/2003EP1288016A1 Communication device and its installation structure, manufacturing method, and communication method
03/05/2003EP1287585A1 Carrier element for an antenna with low hand sensitivity
03/05/2003EP1045755B1 Tyre provided with a conductive loop and method for implanting said loop under the tyre tread
03/05/2003CN1401111A Paper roll anti theft protection
03/04/2003US6529169 Twin coil antenna
02/2003
02/27/2003WO2003017265A1 Recording medium
02/27/2003WO2003017191A2 Rfid tag having integral electrical bridge and method of assembling the same
02/27/2003WO2002050942A3 Steerable antenna and receiver interface for broadcast
02/27/2003CA2457115A1 Rfid tag having integral electrical bridge and method of assembling the same
02/26/2003EP1286477A1 Portable receiver with two antennas
02/26/2003EP1286418A1 Resonant antennas
02/26/2003EP1286179A2 Method of interrogating a radio frequency identification device
02/26/2003EP1086444B1 Identification tag with enhanced security
02/26/2003EP1040534B1 Magnetic beam deflection devices
02/26/2003CN1399843A Method and apparatus for reducing multipath distortion in television signal
02/26/2003CN1399771A Flat support with at least one semiconductor chip
02/25/2003US6525694 High gain printed loop antenna
02/20/2003WO2003015308A1 Portable receiver with two antennae
02/20/2003WO2003015216A2 Electronic article surveillance antenna coils with variable wind_geometry
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