Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
10/2002
10/31/2002WO2002035643A3 Antenna polarization separation to provide signal isolation
10/31/2002WO2001054229A9 Low profile high polarization purity dual-polarized antennas
10/31/2002US20020159118 Base station apparatus provided with array antennas
10/31/2002US20020158808 Cross dipole antenna and composite antenna
10/31/2002US20020158801 Wireless packet switched communication systems and networks using adaptively steered antenna arrays
10/31/2002US20020158799 Direction of Arrival Estimation Method and Radio Reception Apparatus
10/31/2002DE10203153A1 Primärstrahler, Phasenschieber und Strahlenrichtantenne Primary radiator, phase shifter and beam directional antenna
10/30/2002EP1253669A2 Array antenna with a number of resonant radiating elements
10/30/2002EP1252684A1 Rf receiving antenna system
10/30/2002EP1133809A4 Broadband antenna incorporating both electric and magnetic dipole radiators
10/30/2002CN1377202A Base station equipment and method for adaptive control of antenna beam
10/29/2002US6473616 Method and apparatus for data communication
10/29/2002US6473054 Array antennas with notched radiation patterns
10/29/2002US6473040 Patch antenna array with isolated elements
10/29/2002US6473039 Sloppy coax interconnect for low cost RF and phased array applications
10/24/2002WO2002084801A1 Dual circular polarization flat plate antenna that uses multilayer structure with meander line polarizer
10/24/2002WO2002084800A2 Crossed slot cavity antenna
10/24/2002WO2002084792A1 Mobile radio device
10/24/2002WO2002084790A1 Dual-band dual-polarized antenna array
10/24/2002WO2002065578A3 Wide-band modular mems phased array
10/24/2002US20020154064 Ulta-wideband magnetic antenna
10/24/2002US20020153968 Phase shifter, phased-array antenna, and radar
10/24/2002DE10128709A1 Bi-band antenna incorporating primary and secondary windings where the sensitivity characteristics utilising a plurality of bands of frequencies is improved and the antenna may be miniaturised
10/24/2002DE10119931A1 Integratable antenna system for vehicle has antenna systems integrated into mirrors, brake lights, rain sensors etc. for various spectral ranges
10/24/2002CA2443830A1 Dual circular polarization flat plate antenna that uses multilayer structure with meander line polarizer
10/23/2002EP1251586A2 Phase shifter, phased-array antenna, and radar
10/23/2002EP1250726A1 Antenna arrangement and method for side-lobe suppression
10/23/2002CN1376365A Method and apparatus for providing forward link softer handoff in a code division multiple access communication system
10/22/2002US6470177 Adaptive sectorization
10/22/2002US6470174 Radio unit casing including a high-gain antenna
10/22/2002US6469677 Optical network for actuation of switches in a reconfigurable antenna
10/22/2002US6469675 High gain, frequency tunable variable impedance transmission line loaded antenna with radiating and tuning wing
10/22/2002US6469674 Double-lemniscate antenna element
10/22/2002US6469671 Low-temperature-difference TR module mounting, and antenna array using such mounting
10/22/2002US6469669 Hybrid antenna system for a portable wireless communication device
10/22/2002US6469667 Passive anti-jamming antenna system
10/22/2002US6469666 Digital antenna goniometer and method
10/22/2002US6469658 Method for creation of planar or complex wavefronts in close proximity to a transmitter array
10/17/2002WO2002082581A2 Transmit network for a cellular base-station
10/17/2002WO2002054529A3 Low multipath interference microstrip array and method
10/17/2002WO2002043461A3 Directional set of antennas fixed on a flexible support
10/17/2002WO2002023672A3 Microelectromechanical phased array antenna
10/17/2002US20020149540 Active array antenna with flexible membrane elements and tensioning arrangement
10/17/2002US20020149531 Waveguide slot array capable of radiating shaped beams
10/17/2002US20020149530 Dual damascene horn antenna
10/17/2002US20020149528 Antenna control system
10/17/2002US20020149527 Multiple-element antenna
10/17/2002US20020149520 Microstrip antenna with improved low angle performance
10/17/2002CA2442813A1 Transmit network for a cellular base-station
10/16/2002EP1249894A1 Array antenna and beamforming by computation
10/16/2002EP1249892A2 Microstrip antenna with improved low angle performance
10/16/2002EP1249890A1 Broadcasting receiving apparatus with a geomagnetic sensor to control the directivity of the antenna
10/16/2002EP1249056A1 Coaxial dielectric rod antenna
10/16/2002CN1092914C Radio telephone with differential driving various antenna structure and driving method
10/15/2002US6466178 Small-size unidirectional antenna
10/15/2002US6466177 Controlled radiation pattern array antenna using spiral slot array elements
10/15/2002US6466176 Internal antennas for mobile communication devices
10/15/2002US6466172 GPS and telemetry antenna for use on projectiles
10/15/2002US6465730 Fabrication of a circuit module with a coaxial transmission line
10/10/2002WO2002080307A1 Compact multi-band antenna
10/10/2002WO2002080302A2 Multi-layer flat plate antenna with low-cost material and high-conductivity additive processing
10/10/2002WO2001061785A9 Antenna horn and associated methods
10/10/2002US20020147534 Near object detection system
10/10/2002US20020146192 Radio frequency wave and optical beam steerer combination
10/10/2002US20020146060 Code assignment algorithm for synchronous DS-CDMA links with SDMA using estimated spatial signature vectors
10/10/2002US20020145570 Impulse radar antenna array and method
10/10/2002US20020145569 Antenna apparatus
10/10/2002DE10056176C1 Transponder reader has one or other antenna arrangement active at defined time and device for detuning inactive antenna so that it is not tuned to its working resonant frequency
10/09/2002EP1247311A1 An antenna assembly and a method of mounting an antenna assembly
10/09/2002CN2515815Y Multi-azimuth active antenna for TV
10/09/2002CN1373978A Communications system load control methods and apparatus
10/09/2002CN1373944A Multi-airplane cellular communications system
10/09/2002CN1373918A Sparse array antenna
10/09/2002CN1373916A Serially-fed phased erray antennas with dielectric phase shifters
10/09/2002CN1373624A Mobile communication apparatus
10/08/2002US6463090 Communication in high rise buildings
10/08/2002US6462714 Wireless handset using a slot antenna
10/08/2002US6462711 Multi-layer flat plate antenna with low-cost material and high-conductivity additive processing
10/08/2002US6462710 Method and system for producing dual polarization states with controlled RF beamwidths
10/08/2002US6462709 Signal processing method and apparatus for computing an optimal weight vector of an adaptive antenna array system
10/08/2002CA2304081C Circularly polarized cross dipole antenna
10/08/2002CA2198318C Antenna
10/03/2002WO2002078367A2 Additional antenna for mobile radio devices
10/03/2002WO2002078125A1 Waveguide slot antenna and manufacturing method thereof
10/03/2002WO2002078123A1 A built-in, multi band, multi antenna system
10/03/2002US20020141587 Code assignment algorithm for synchronous DS-CDMA links with SDMA using channel scanning
10/03/2002US20020140622 Antenna, and manufacturing method therefor
10/03/2002US20020140619 Antenna control system
10/03/2002US20020140616 Ultra-wideband multi-beam adaptive antenna
10/03/2002US20020140612 Diversity antenna system including two planar inverted F antennas
10/03/2002US20020140608 Multi-layer flat plate antenna with low-cost material and high-conductivity additive processing
10/02/2002EP1246404A2 A radio frequency local area network
10/02/2002EP1245059A2 Radar sensor and radar antenna for monitoring the environment of a motor vehicle
10/02/2002EP1086510B1 Amplitude and phase determination method for the different channels of an antenna array and satellite antenna according to this method
10/02/2002CN2514560Y 弧形智能天线阵列装置 Arcuate smart antenna array means
10/02/2002CN2514507Y Aerial for multi-frequency working
10/02/2002CN1372709A Integrated antenna assemblies including multiple antennas for wireless communications devices
10/01/2002US6459916 Portable radio communication device
10/01/2002US6459895 Methods for making a cellular system, transmitting to a mobile user in a cellular system, and evaluating the performance of a cellular system
10/01/2002US6459415 Omni-directional planar antenna design