Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
08/2004
08/26/2004WO2004021508A3 Frequency selective beam forming
08/26/2004WO2004012347B1 Quadrifilar antenna serial feed network
08/26/2004US20040166895 Modular, portable data processing terminal for use in a communication network
08/26/2004US20040165365 Circuit assembly and electronic device incorporating such an assembly
08/26/2004US20040164923 Transformers or inductors ("transductors") and antennas manufactured from conductive loaded resin-based materials
08/26/2004US20040164915 Wideband 2-D electronically scanned array with compact CTS feed and MEMS phase shifters
08/26/2004US20040164914 Enveloped type multi-frequency antenna
08/26/2004US20040164908 Phased array antenna
08/26/2004US20040164864 Antenna arrangement for RFID smart tags
08/26/2004DE10196280T5 Schmalbandige, symmetrische, gekreuzte, zirkular polarisierte mäanderleitungsbelastete Antenne Narrow-band symmetric, crossed, circularly polarized antenna mäanderleitungsbelastete
08/25/2004EP1450438A1 Composite antenna
08/25/2004EP1450437A1 Ring-shaped embedded antenna
08/25/2004EP1450436A1 Antenna coil and transmission antenna
08/25/2004EP1449349A2 System and method utilizing dynamic beam forming for wireless communication signals
08/25/2004EP1449276A1 Gps equipped cellular phone using a spdt mems switch and single shared antenna
08/25/2004EP1449275A1 Efficient multiple input multiple output system for multi; path fading channels
08/25/2004CN2636510Y Radio local network device having intelligent antenna system
08/25/2004CN2636438Y Multiloop antenna
08/25/2004CN1524321A Internal antennas for mobile communication devices
08/25/2004CN1524319A Broad-band antenna for mobile communication
08/25/2004CN1523709A Broadband antenna with omnidirectional radiation
08/25/2004CN1523708A 隙缝阵天线 Slot array antenna
08/25/2004CN1523704A Microstrip omnidirectional antenna
08/25/2004CN1164111C Wireless video transmission from computer to TV
08/24/2004US6781560 Phased array antenna including archimedean spiral element array and related methods
08/24/2004US6781555 Multi-beam antenna communication system and method
08/24/2004US6781554 Compact wide scan periodically loaded edge slot waveguide array
08/24/2004US6781553 Antenna device and radio communication device comprising the same
08/24/2004US6781547 Planar inverted-F Antenna and application system thereof
08/24/2004US6781544 Diversity antenna for UNII access point
08/24/2004CA2233600C Portable radio communication device
08/19/2004WO2004070971A1 Polarization coding
08/19/2004WO2004070879A1 Antenna device and wireless communication device using same
08/19/2004WO2004070878A1 Low-cost antenna array
08/19/2004WO2004070877A1 Radiation efficient antenna circuit
08/19/2004WO2004070872A1 Planar high-frequency or microwave antenna
08/19/2004WO2004030143B1 Compact vehicle-mounted antenna
08/19/2004US20040162115 Wireless antennas, networks, methods, software, and services
08/19/2004US20040162107 Antenna arrangement and mobile terminal device
08/19/2004US20040162034 Method and apparatus for increasing the number of strong eigenmodes in a multiple-input multiple-output (MIMO) radio channel
08/19/2004US20040160377 Low cost antennas and electromagnetic ( EMF) absorption in electronic circuit packages or transceivers using conductive loaded resin-based materials
08/19/2004US20040160374 Feed network for simultaneous generation of narrow and wide beams with a rotational-symmetric antenna
08/19/2004US20040160372 Systems and methods for wireless telecommunications
08/19/2004US20040160370 Multi-mode antenna system for a computing device and method of operation
08/19/2004US20040160362 Angle diversity dual antenna system
08/19/2004US20040160344 Robust system for transmitting and receiving map data
08/19/2004DE10304911A1 Kombinationsantennenanordnung für mehrere Funkdienste für Fahrzeuge Combination antenna arrangement for a number of radio services of vehicles
08/18/2004EP1447920A1 Radio communication method for a wireless local network and a transceiving device
08/18/2004EP1447880A1 Waveguide slot type radiator having construction to facilitate manufacture
08/18/2004EP1447878A1 Antenna for a radio central locking system
08/18/2004EP1447819A1 Low cost antennas and electromagnetic (EMF) absorption in electronic circuit packages or transceivers using conductive loaded resin-based materials
08/18/2004EP1236245A4 Multi-beam antenna
08/18/2004CN1522028A 移动终端 The mobile terminal
08/18/2004CN1521893A Dipole antenna array
08/18/2004CN1521892A Angle diversity dual antenna system
08/18/2004CN1521891A Dual band antenna with increased sensitivity in a horizontal direction
08/18/2004CN1163100C Adaptive sectorization
08/18/2004CN1162939C Radio communication base station antenna
08/17/2004US6778149 Composite antenna apparatus
08/17/2004US6778148 Sensor array for enhanced directivity
08/17/2004US6778144 Antenna
08/17/2004US6777771 High-frequency device using switch having movable parts, and method of manufacture thereof
08/17/2004CA2247582C Imaging system functioning on submillimeter waves
08/17/2004CA2103288C Detection of multiple articles
08/14/2004CA2457610A1 Low cost antennas and eletromagnetic (emf) absorption in electronic circuit packages or transceivers using conductive loaded resin-based materials
08/12/2004WO2004068698A2 System for receiving multiple independent rf signals having different polarizations and scan angles
08/12/2004WO2004068635A1 Antenna device
08/12/2004WO2004068634A1 Low profile dual frequency dipole antenna structure
08/12/2004WO2004068631A2 A single-feed, multi-band, virtual two-antenna assembly
08/12/2004WO2004068630A2 Compact low rcs ultra-wide bandwidth conical monopole antenna
08/12/2004WO2004057698A9 Antennas with reduced space and improved performance
08/12/2004WO2004057363A3 Wideband signal detection and tracking system
08/12/2004US20040157644 Communication system transmitter or receiver module having integrated radio frequency circuitry directly coupled to antenna element
08/12/2004US20040157637 Transit link coordination systems and methods for a distributed wireless communication network
08/12/2004US20040157601 Method for enabling a subscriber entity to actively communicate in a communication network
08/12/2004US20040156537 Generation, verification and reproduction of a digitized writing
08/12/2004US20040156339 Antenna diversity
08/12/2004US20040155832 Compact and low-profile antenna device having wide range of resonance frequencies
08/12/2004US20040155831 Broadband antenna having a three-dimensional cast part
08/12/2004US20040155829 Slot aray antenna and plasma processing apparatus
08/12/2004US20040155828 Antenna control system
08/12/2004US20040155827 Antenna alignment method and device
08/12/2004US20040155825 Automotive on-board antenna
08/12/2004US20040155823 Compact multiband antenna
08/12/2004US20040155821 Antenna unit
08/12/2004US20040155820 Dual band coplanar microstrip interlaced array
08/12/2004US20040155819 Multibeam planar antenna structure and method of fabrication
08/12/2004US20040155817 Dielectric resonator antenna with mutually orthogonal feeds
08/12/2004US20040155812 Technique for changing a range gate and radar coverage
08/12/2004US20040155810 Method and apparatus for identifying buried objects using ground penetrating radar
08/12/2004DE202004008770U1 Mobile radio base station antenna element has conducting main reflector, dual polarized radiator and cross shaped passive subreflector
08/11/2004EP1445832A2 Combination antenna arrangement for several wireless communication services for vehicles
08/11/2004EP1445831A1 Composite antenna
08/11/2004EP1445830A1 Radiation efficient antenna circuit
08/11/2004EP1445826A2 Mobile terminal and method for switching between omnidirectional and directional antenna
08/11/2004EP1445822A1 Chip antenna
08/11/2004EP1444797A1 Antenna polarization codulation
08/11/2004EP1444753A2 Patch fed printed antenna
08/11/2004EP1444752A1 A cellular radio adaptive antenna array
08/11/2004CN1520628A Antenna for portable wireless communication appts.