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) |
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08/11/2004 | EP1295358B1 Convertible loop/inverted-f antennas and wireless communicators incorporating the same |
08/11/2004 | CN1519977A Antenna system and appts. for radio-frequency wireless keyboard |
08/10/2004 | US6774867 Multi-resonant, high-impedance electromagnetic surfaces |
08/10/2004 | US6772505 Antenna wire with an insulating cover cut to length; stripping antenna wire ends; threading one antenna wire end through the transponder; splicing the antenna wire ends together; and injecting an insulating composition around the transponder |
08/05/2004 | WO2004066438A1 Antenna core |
08/05/2004 | WO2004066434A2 Wide exit electronic article surveillance antenna system |
08/05/2004 | US20040150578 Antenna and wristwatch equipped with antenna |
08/05/2004 | US20040150577 Ferrite antenna |
08/05/2004 | US20040148949 Refrigerator with internal compartment divisible into independent temperature zones |
08/05/2004 | DE4232827B4 Zirkular polarisierte Lokal-Antennenanordnung für ein Kernspintomographiegerät Circularly polarized local antenna arrangement for a magnetic resonance imaging apparatus |
08/04/2004 | EP1443592A2 Belt coil as transmit-/receive antenna in a transponder assembly |
08/04/2004 | CN1160674C Deactivateable resonant circuit |
08/04/2004 | CN1160671C Flat support with at least one semiconductor chip |
08/03/2004 | US6770023 Generator of electric and magnetic fields, a corresponding field detector, and a sample analyzer and treatment apparatus incorporating the field generator and/or field detector |
07/29/2004 | WO2004064193A1 Antenna and electronic device using same |
07/29/2004 | WO2004047222A9 Multiple frequency capacitively loaded magnetic dipole |
07/29/2004 | US20040145523 Differential mode capacitively loaded magnetic dipole antenna |
07/29/2004 | US20040145479 Paper roll anti-theft protection |
07/28/2004 | EP1441311A2 Antenna unit and card processing system |
07/28/2004 | CN1516054A Application of radio frequency recognition ssytem |
07/28/2004 | CN1159802C Antenna device and radio receiver |
07/27/2004 | US6768419 Applications for radio frequency identification systems |
07/22/2004 | WO2004061753A2 Rfid device and method of forming |
07/22/2004 | US20040140939 Belt coil as transmitter/receiver antenna in a transponder apparatus |
07/22/2004 | US20040140896 Portable information device |
07/22/2004 | DE10300168A1 Integrated multi-dimensional geophysical transceiver antenna coil, for investigation of the ground using nuclear magnetic resonance, comprises a coil of insulated cable or wire, whose shape is optimized for field transmission |
07/21/2004 | EP1439608A1 ANTENNA COIL AND RFID−USE TAG USING IT, TRANSPONDER−USE ANTENNA |
07/21/2004 | EP1439487A2 Portable information device |
07/21/2004 | EP1413004A4 Ball grid array antenna |
07/21/2004 | CN1158718C Antenna system and apparatus for radio-frequency wireless keyboard |
07/21/2004 | CN1158636C Applications of radio frequency identification systems |
07/20/2004 | US6765846 Antenna apparatus and wristwatch radio communication device using same |
07/15/2004 | WO2004059259A2 Liquid level detection gauge and associated methods |
07/15/2004 | WO2004049498A3 Smart antenna system with improved localization of polarized sources |
07/15/2004 | US20040135734 Narrow-directivity electromagnetic-field antenna probe, and electromagnetic-field measurement apparatus, electric-current distribution search-for apparatus or electrical-wiring diagnosis apparatus using this antenna probe |
07/15/2004 | US20040135726 Method for designing a small antenna matched to an input impedance, and small antennas designed according to the method |
07/15/2004 | US20040135690 Wide exit electronic article surveillance antenna system |
07/15/2004 | US20040134985 Non-contact IC card reading/writing apparatus |
07/14/2004 | EP1374105A4 Intelligent power pack assisted pedestal tuning for electronic article surveillance |
07/14/2004 | EP0986798B1 Deactivation device with biplanar deactivation |
07/08/2004 | US20040131301 Miniature antenna and electromagnetic field sensing apparatus |
07/08/2004 | US20040130500 Non-contact communication medium |
07/07/2004 | EP1127384A4 Rotating field antenna with a magnetically coupled quadrature loop |
07/01/2004 | US20040125040 RFID device and method of forming |
07/01/2004 | US20040125017 Compressed antenna in a volume |
07/01/2004 | US20040125016 Compressed cube antenna in a volume |
06/30/2004 | EP1434305A1 Electromagnetic wave marker and electromagnetic wave marker system |
06/30/2004 | EP1434300A2 Broadband antenna with a 3-dimensional casting part |
06/30/2004 | EP1434160A2 Non-contact IC card reading/writing apparatus |
06/30/2004 | CN1156050C Communication apparatus |
06/29/2004 | US6756944 Antenna for vehicle |
06/24/2004 | US20040119637 Liquid level detection gauge and associated methods |
06/24/2004 | DE10313050B3 Mobile communications terminal e.g. for automobile audio system, with Bluetooth (RTM) antenna provided by metal frame used for electrostatic discharge protection of printed circuit board |
06/23/2004 | EP1431847A1 Portable electronic device, particularly timepiece, comprising an antenna, which is formed by a coil of large diameter |
06/23/2004 | EP1430563A2 An integrated antenna system |
06/23/2004 | CN1507677A 铁氧体天线 Ferrite Antenna |
06/22/2004 | US6753821 Method and arrangement of antenna system of EAS |
06/22/2004 | US6753820 Communication station comprising a configuration of loosely coupled antennas |
06/22/2004 | US6753814 Dipole arrangements using dielectric substrates of meta-materials |
06/16/2004 | EP1429417A1 Reader and transponder within housings |
06/15/2004 | US6750820 High efficiency antennas of reduced size on dielectric substrate |
06/10/2004 | WO2004049498A2 Smart antenna system with improved localization of polarized sources |
06/10/2004 | WO2004049278A2 Multi-loop antenna for radio-frequency identification |
06/10/2004 | WO2004038851A3 Stagger tuned meanderline loaded antenna |
06/10/2004 | CA2507046A1 Multi-loop antenna for radio-frequency identification |
06/10/2004 | CA2506779A1 Smart antenna system with improved localization of polarized sources |
06/09/2004 | CN1503197A Answer device of accesser and emitter packaged in casing |
06/09/2004 | CN1153316C Combination satellite and VHF/UHF receiving antenna |
06/03/2004 | WO2004047222A1 Multiple frequency capacitively loaded magnetic dipole |
06/03/2004 | US20040104848 Multiple frequency antennas with reduced space and relative assembly |
06/02/2004 | CN1152351C Drive circuit for reactive loads |
06/01/2004 | US6744367 Identification tag |
06/01/2004 | US6744213 Antenna for producing uniform process rates |
05/27/2004 | US20040100416 Compact antennas having directed beams and potentially more than one degree of freedom per concentration region |
05/27/2004 | US20040100413 Multi-loop antenna for radio-frequency identification |
05/27/2004 | US20040100410 Built-in multi-band mobile phone antenna assembly with coplanar patch antenna and loop antenna |
05/27/2004 | US20040099744 Reader and transponder in enclosures |
05/27/2004 | DE19727930B4 Vorrichtung zur Identifizierung von an sportlichen Wettbewerben teilnehmenden Personen oder Tieren Apparatus for identification of participating in sporting competitions persons or animals |
05/26/2004 | EP1421648A1 Electromagnetic protection antenna for portable transmitter |
05/26/2004 | EP1421459A2 Registration apparatus and method, as for voting |
05/26/2004 | CN1500296A Electrically conductive patterns, antennas and methods of manufacture |
05/26/2004 | CN1499432A 非接触通信介质 Noncontact communication medium |
05/25/2004 | US6741212 Low profile dielectrically loaded meanderline antenna |
05/20/2004 | US20040098068 Chair pad charging and communication system for a battery-powered microstimulator |
05/20/2004 | US20040095281 Multi-band reconfigurable capacitively loaded magnetic dipole |
05/20/2004 | US20040095280 Active configurable capacitively loaded magnetic diploe |
05/19/2004 | EP1420476A1 Wrist watch containing internal tag, radio watch, and antenna for wrist watch |
05/19/2004 | EP1419550A2 Meter register and antenna |
05/19/2004 | EP1149305B1 Radio frequency identification device |
05/19/2004 | CN1497778A Amplitude-modulation antenna of noise reduced |
05/19/2004 | CN1497777A 天线及其制造方法 Antenna and manufacturing method thereof |
05/19/2004 | CN1497776A Antenna with reinfored performance for nuclear magnetic resonance detecting tool |
05/19/2004 | CN1150497C Inentification tag with enhanced security |
05/13/2004 | WO2004040698A1 Reader or transmitter and/or receiver comprising a shrouded antenna |
05/13/2004 | WO2004040697A1 Wideband loop antenna |
05/13/2004 | WO2004015808A3 Array of modular transmission antennas for an rf identification system |
05/13/2004 | US20040090868 Wrist watch containing internal tag, radio watch, and antenna for wrist watch |
05/13/2004 | US20040090384 Antenna arrangement and portable radio communication device |
05/13/2004 | US20040090380 Electrically conductive patterns, antennas and methods of manufacture |
05/13/2004 | US20040090377 Multi-band antenna |