Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
01/2004
01/08/2004US20040004579 Antenna arrangement
01/08/2004US20040004577 Flexible curtain antenna for reading RFID tags
01/08/2004US20040004576 Antenna
01/08/2004US20040004575 Rolling radar array with a track
01/08/2004US20040004574 Multiple-element antenna
01/08/2004US20040004572 PCB antenna for receiving different polarization signals
01/07/2004EP1378963A1 Miniaturized planar antenna for digital television reception
01/07/2004EP1378960A1 Mobile radio device
01/07/2004EP1378959A1 Antenna apparatus and communication apparatus using the same
01/07/2004EP1378021A1 A built-in, multi band, multi antenna system
01/07/2004EP1040536B1 Broadband antenna
01/07/2004CN2598166Y Double frequency co-face microband array aerial
01/07/2004CN1466800A Portable radio apparatus antenna
01/07/2004CN1466392A Blind correction method and device for self-adaptive array antenna
01/06/2004US6674408 Antenna apparatus
01/06/2004US6674405 Dual-band meandering-line antenna
01/02/2004EP1376762A1 Multiaxial loop antenna chip
01/02/2004EP1374616A2 Transmit network for a cellular base-station
01/02/2004EP1374340A1 Device for receiving and/or transmitting electromagnetic signals for use in the field of wireless transmissions
01/02/2004EP1374339A1 An impulse radar antenna array and method
01/02/2004EP1374338A1 Compact multi-band antenna
01/02/2004EP1373924A1 Method of envelope detection and image generation
01/01/2004US20040001031 Antenna and radio frequency module comprising the same
01/01/2004US20040001030 Miniaturized planar antenna for digital television reception
01/01/2004US20040001024 High efficiency printed circuit array of log-periodic dipole arrays
01/01/2004US20040001023 Diversified planar phased array antenna
12/2003
12/31/2003WO2004001902A1 Double polarization dual-band radiating device
12/31/2003WO2004001899A1 Phase-shifting cell for antenna reflector
12/31/2003WO2004001898A1 Multiple-element antenna with parasitic coupler
12/31/2003WO2004001896A1 Multiple bands type antenna and method for producing the same
12/31/2003WO2004001894A1 Multiband antenna for handheld terminal
12/31/2003WO2004001446A1 Cylindrical millimetric rotary antenna for synthetic aperture radar
12/31/2003WO2003088486A3 Method for interpretation of a radio-electrical command
12/31/2003CN1464659A Switch beam--self-adaptive secondary baseband receiving method and system of intelligent antenna
12/31/2003CN1464592A Two-layer combined all-channel antenna
12/31/2003CN1133234C 两波段的天线装置 Two-band antenna device
12/30/2003US6671229 Torpedo sonar comprising a plurality of acoustic transducers
12/30/2003US6670931 Antenna having cross polarization improvement using rotated antenna elements
12/30/2003US6670930 Antenna-integrated printed wiring board assembly for a phased array antenna system
12/30/2003US6670925 Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus
12/30/2003US6670924 Antenna element and portable information terminal
12/30/2003US6670923 Dual feel multi-band planar antenna
12/30/2003US6670922 Miniaturized planar antenna for digital television reception
12/30/2003US6670921 Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surface
12/30/2003US6670910 Near object detection system
12/30/2003US6670906 Method for determining accurately coordinates of a GPR antenna relative to a fixed reference
12/30/2003US6668944 Path mapping in underground boring tool applications
12/30/2003US6668636 System and method for tire pressure monitoring including tire location recognition
12/25/2003US20030236096 Mobile station controlling antenna directionality
12/25/2003US20030234748 Omni-directional antenna arrays and methods of making the same
12/25/2003US20030234747 Beam steering apparatus for a traveling wave antenna and associated method
12/24/2003WO2003107483A1 Helix antenna
12/24/2003WO2003107480A2 Antenna control unit and phased-array antenna
12/24/2003WO2003107479A1 Common aperture antenna
12/24/2003WO2003107474A2 Shared element array antenna
12/24/2003WO2003075394A3 Allround aerial arrangement for receiving terrestrial and satellite signals
12/24/2003DE20311841U1 Intelligente Basisstationsantenne für MUD-fähige Zellularnetze Intelligent base station antenna for MUD-capable cellular networks
12/24/2003CA2488911A1 Helix antenna
12/23/2003US6667724 Impulse radar antenna array and method
12/23/2003US6667714 Downtilt control for multiple antenna arrays
12/23/2003CA2250928C Planar emitter
12/18/2003WO2003105279A1 Adaptive control of rf receiving antenna system for digital television
12/18/2003WO2003105273A2 Low profile, dual polarized/pattern antenna
12/18/2003WO2003077358A3 Adaptive receive and omnidirectional transmit antenna array
12/18/2003WO2003014812A3 Semiconductor structures and polarization modulator devices
12/18/2003WO2002007332A3 Phased array antenna having stacked patch antenna element with single millimeter wavelength feed and microstrip quadrature-to-circular polarization circuit
12/18/2003US20030232600 Passive intermodulation interference control circuits
12/18/2003US20030231699 Single beamforming structure for multiple modulation schemes
12/18/2003US20030231139 Wide band antenna
12/18/2003US20030231136 Antenna
12/18/2003US20030230400 Cold plate assembly
12/18/2003DE20316062U1 Dual band antenna has a group of four linear conductors that are of specific arranged in parallel with lengths selected to suit required frequencies
12/17/2003EP1372214A1 Portable transceiver antenna
12/17/2003EP1371112A1 Waveguide slot antenna and manufacturing method thereof
12/17/2003EP1371110A2 Phased array antenna
12/17/2003EP1121769B1 Antenna array for a radio station which can be operated in a plurality of frequency ranges, and a radio station
12/17/2003CN2593385Y Four-probe fan-shaped wave beam antenna for base station
12/17/2003CN1462493A Antenn device and radio apparatus using it
12/17/2003CN1462134A Improved structure of planar gap antenna
12/17/2003CN1462089A Single or double polarized moulding compound dipole antenna with integral feed structure
12/17/2003CN1131575C Multi-filar helical antenna and protable radio device
12/17/2003CN1131573C Antenna apparatus for mobile terminal equipment
12/16/2003US6664938 Pentagonal helical antenna array
12/16/2003US6664936 Loop antenna device
12/16/2003US6664932 Multifunction antenna for wireless and telematic applications
12/16/2003US6664930 Multiple-element antenna
12/16/2003US6664928 Antenna apparatus for performing wireless communication or broadcasting by selecting one of two types of linearly polarized waves
12/16/2003US6664927 Antenna transducer assembly, and associated method, for a radio device
12/16/2003US6664867 Tunable electromagnetic transmission structure for effecting coupling of electromagnetic signals
12/11/2003WO2003103090A1 Switchable slot antenna
12/11/2003WO2003103087A2 Wideband printed monopole antenna
12/11/2003WO2003103086A2 Essentially square broadband, dual polarised radiating element
12/11/2003WO2003049409A3 System and method utilizing dynamic beam forming for wireless communication signals
12/11/2003WO2003044968A3 Ultra-wideband antenna array
12/11/2003US20030228891 Mobile phone, analysis device included therein, and analysis method
12/11/2003US20030227420 Integrated aperture and calibration feed for adaptive beamforming systems
12/11/2003US20030227419 Dual-band VHF-UHF antenna system
12/11/2003US20030227414 Diversity antenna for UNII access point
12/11/2003US20030227411 Chip antenna with parasitic elements
12/11/2003US20030226892 Noncontact sensor coil and tag system