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