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)
05/2001
05/01/2001US6225865 Signal switching arrangement
04/2001
04/24/2001US6222506 Transmitting and receiving antenna for animal training devices
04/19/2001WO2001027869A1 Communication device
04/12/2001WO2001026180A1 Tamper-resistant wireless article including an antenna
04/12/2001WO2001025817A2 System for determining item orientation and identification
04/12/2001CA2386159A1 System for determining item orientation and identification
04/11/2001EP1091446A1 Planar antenna
04/10/2001US6215456 Antenna unit and radio receiver device
04/10/2001US6215455 Armored magnetic field antenna in printed circuit
04/10/2001US6215454 Multi-layered shielded substrate antenna
04/03/2001US6211846 Antenna system for radio direction-finding
03/2001
03/29/2001WO2001022529A1 Access control system
03/28/2001EP1086444A1 Identification tag with enhanced security
03/28/2001EP0956613A4 Multiple loop antenna
03/20/2001US6204821 Toroidal antenna
03/20/2001US6204819 Convertible loop/inverted-f antennas and wireless communicators incorporating the same
03/20/2001US6204817 Radio communication device and an antenna system
03/20/2001US6203952 Articles such as radio frequency identification tags; absence of heat distortion, debris, photoresis, undercut image
03/20/2001US6203658 Processing system and method for making spherical shaped semiconductor integrated circuits
03/15/2001WO2001019075A2 Method and apparatus for reducing multipath distortion in a television signal
03/15/2001WO2001018749A2 Radio frequency identification tags and labels
03/15/2001DE19940087A1 Detector for acousto-magnetic product security label and radio frequency product security label has both antennas in fixtures installed at exit of protected area
03/14/2001EP0829108A4 Eas system antenna configuration for providing improved interrogation field distribution
03/13/2001US6201514 Stereoscopic antenna
03/13/2001US6201387 Miniaturized position sensor having photolithographic coils for tracking a medical probe
02/2001
02/28/2001EP1078329A2 Systems and methods for wirelessly projecting power using in-phase current loops and for identifying radio frequency identification tags that are simultaneously interrogated
02/28/2001EP0808518A4 Television antennas
02/27/2001US6195053 Antenna, module and imager, such as for a barcode reader
02/20/2001US6191752 HF antennas for wideband signals
02/20/2001CA2074015C Miniature antenna
02/06/2001US6184846 Loop conductor antenna for fuel dispenser
01/2001
01/30/2001US6181287 Reactively coupled elements in circuits on flexible substrates
01/25/2001WO2001005467A1 A medical system having improved telemetry
01/24/2001EP1071158A2 Overmolded electrical connection to ring antenna
01/24/2001EP1036424A4 Antenna and transmitter arrangement for eas system
01/18/2001WO2001004988A1 Antenna for contactless cards, hybrid cards and electronic labels
01/17/2001EP1069645A2 Semiconductor device with an antenna and fabrication method therefor
01/17/2001EP1068652A1 Device for controlling the impedance returned on an electronic label antenna
01/11/2001WO2001003237A1 Coil antenna device and method for generating a varying magnetic field
01/11/2001WO2001003234A1 Antenna for a wireless communication module
01/04/2001WO2000064004A3 An rf transponder
01/04/2001WO2000043804A3 Radio frequency identification device
01/03/2001EP1064568A1 An interrogator for interrogating an rfid
01/03/2001CN1278955A A portable electronic commnication device with multi-band antenna system
01/02/2001CA2179965C Antenna for programming a transponder
12/2000
12/27/2000EP1062634A1 Chip card equipped with a loop antenna, and associated micromodule
12/26/2000US6166706 Rotating field antenna with a magnetically coupled quadrature loop
12/26/2000US6166703 Combination satellite and VHF/UHF receiving antenna
12/21/2000WO2000043944A8 Method of interrogating a radio frequency identification device
12/20/2000EP1060405A1 Magnetic crossed-loop antenna
12/20/2000CN1277742A Method of feeding flat antenna and flat antenna
12/20/2000CN1059761C All direction horizontal-polarized loop band antenna
12/19/2000US6163305 Loop antenna device
12/12/2000US6160525 Low impedance loop antennas
12/12/2000US6160518 Dual-loop multiband reception antenna for terrestrial digital audio broadcasts
12/07/2000WO2000074173A1 Loop antenna with at least two resonant frequencies
12/07/2000DE19923634A1 Sende- und Empfangseinrichtung Transmitting and receiving means
12/06/2000EP0892969A4 Electronic article surveillance system
11/2000
11/30/2000WO2000072255A1 Identification tag
11/30/2000CA2371590A1 Identification tag
11/29/2000EP1056039A2 Transmitter and receiver
11/29/2000CN2408469Y Inductor
11/28/2000US6154183 Waveguide antenna
11/28/2000US6154177 Antenna device and radio receiver using the same
11/28/2000US6154137 Identification tag with enhanced security
11/23/2000WO2000070676A1 High-density electronic package, and method for making same
11/23/2000WO2000044091A3 Antenna system for radio frequency identification
11/23/2000WO2000026856A3 Radio frequency identification system
11/21/2000US6150986 Antenna system comprising driver circuits for transponder
11/21/2000US6149470 Electrical connector for antenna or the like
11/21/2000CA2168525C Plate antenna method using integral noise mitigation for railway cab signal
11/16/2000WO2000069092A1 Antenna diversity for a user terminal in a satellite telecommunication network
11/16/2000WO2000069016A1 Chip card comprising an antenna
11/15/2000EP1052785A1 Antenna diversity for a user terminal in a satellite telecommunication network
11/14/2000US6147662 Radio frequency identification tags and labels
11/14/2000US6147655 Flat loop antenna in a single plane for use in radio frequency identification tags
11/07/2000US6144346 Antenna arrangement
11/02/2000WO2000065714A1 Integrated electronic circuit comprising an electronic component and a delay element which is connected to the component
11/02/2000WO2000065689A1 Wireless article including a plural-turn loop antenna
11/02/2000EP1048096A1 Electric and magnetic field generator, corresponding field detector, and sample analyser
10/2000
10/26/2000WO2000064229A1 Contact module, as for a smart card, and method for making same
10/26/2000WO2000064004A2 An rf transponder
10/25/2000EP1045755A1 Tyre provided with a conductive loop and method for implanting said loop under the tyre tread
10/25/2000CN1271450A Deactivateable resonant circuit
10/24/2000US6138050 Antenna system and apparatus for radio-frequency wireless keyboard
10/24/2000US6137447 Antenna for reader/writer
10/24/2000US6137445 Antenna apparatus for mobile terminal
10/19/2000WO2000043805A3 System for radio frequency identification
10/19/2000WO2000043803A3 Method of detecting a radio frequency identification device
10/18/2000EP1045325A1 Detection of distance between an electromagnetic transponder and a terminal
10/18/2000CN1270708A Antenna system and apparatus for radio-frequency wireless keyboard
10/17/2000US6134428 Wrist mounted communicator
10/17/2000US6134420 Vector measuring aerial arrays for magnetic induction communication systems
10/17/2000US6133886 Antenna for a wireless communication module
10/17/2000US6133834 Method of trimming film type antennas
10/12/2000WO2000060525A1 Desk comprising an integrated reading device
10/11/2000EP1042845A1 Antenna
10/10/2000US6130863 Slider and electro-magnetic coil assembly
10/05/2000WO2000059069A1 Transmitting and receiving apparatus
10/05/2000CA2373219A1 Transmitting and receiving apparatus
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