Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
07/2004
07/20/2004US6765537 Dual uncoupled mode box antenna
07/20/2004US6765535 Monolithic millimeter wave reflect array system
07/20/2004US6765532 Wideband signal detection and tracking system
07/20/2004US6765530 Array antenna having pairs of antenna elements
07/15/2004WO2004059898A2 Multiport serial feed device
07/15/2004WO2004059879A1 A smart antenna solution for mobile handset
07/15/2004WO2004059790A1 Directional antenna, receiving system and method for actuating said system
07/15/2004WO2004059786A2 Systems and methods for wireless telecommunications
07/15/2004WO2004059259A2 Liquid level detection gauge and associated methods
07/15/2004WO2004049498A3 Smart antenna system with improved localization of polarized sources
07/15/2004WO2004047219A3 Actively reconfigurable pixelized antenna systems
07/15/2004WO2004040690A3 Low complexity beamformers for multiple transmit and receive antennas
07/15/2004WO2004019443A8 Communication system with broadband antenna
07/15/2004US20040137950 Built-in, multi band, multi antenna system
07/15/2004US20040137947 Transmit network for a cellular base-station
07/15/2004US20040135736 Time-delayed directional beam phased array antenna
07/15/2004US20040135735 Antenna stabilization system for two antennas
07/15/2004US20040135732 Dual port helical-dipole antenna and array
07/15/2004US20040135730 Portable computer
07/15/2004US20040135729 Radio device and antenna structure
07/15/2004US20040135727 Fractile antenna arrays and methods for producing a fractile antenna array
07/15/2004US20040135703 Vehicular traffic sensor
07/15/2004US20040135690 Wide exit electronic article surveillance antenna system
07/15/2004DE10259971A1 Richtantenne, Richtantennen-Empfangssystem und Verfahren zum Betreiben dieses Richtantennen-Empfangssystems Directional antenna, directional antenna receiving system and method of operating this directional antennas receiving system
07/14/2004EP1436996A1 Interactive protocol for remote management of access control to scrambled data
07/14/2004EP1436958A1 A digital implementation of multi-channel demodulators
07/14/2004EP1436859A1 Slot coupled, polarized radiator
07/14/2004EP1436855A1 Field probe
07/14/2004CN1513218A Integrated antenna for laptop application
07/14/2004CN1512808A Mobile terminal with intelligent antenna and its method
07/14/2004CN1512791A Channel self adaption distribution network based on intelligent antenna
07/14/2004CN1157966C Coupling calibration network and method for intelligent antenna array of radio communication system
07/14/2004CN1157608C Antenna for transmission and reception of signals having linear polarisation
07/13/2004US6762730 Crossed bow tie slot antenna
07/13/2004US6762729 Slotted bow tie antenna with parasitic element, and slotted bow tie array antenna with parasitic element
07/13/2004US6762722 Directional antenna
07/13/2004US6762717 Apparatus and method for calibrating array antenna
07/13/2004CA2204444C Spiral-shaped array for broadband imaging
07/13/2004CA2145964C Feeding method and device, particularly for a doppler vor system, modulator suitable for the same and doppler vor system
07/08/2004WO2004057702A1 Method and apparatus for increasing the number of strong eigenmodes in a multiple-input multiple-output (mimo) radio channel
07/08/2004WO2004057701A1 Multi-band monopole antenna for a mobile communications device
07/08/2004WO2004057698A2 Antennas with reduced space and improved performance
07/08/2004WO2004057363A2 Wideband signal detection and tracking system
07/08/2004WO2004027921A3 Multiple pattern antenna
07/08/2004US20040132515 Cell phone antenna switching circuit and antenna switching method
07/08/2004US20040132406 Tags, wireless communication systems, tag communication methods, and wireless communications methods
07/08/2004US20040130497 Reconfigurable antennas
07/08/2004US20040130496 Diversity antenna and method for controlling the same
07/08/2004US20040130494 Antenna and electronic equipment using the same
07/08/2004US20040130490 Single ku-band multi-polarization gallium arsenide transmit chip
07/08/2004US20040130488 Single receiver wireless tracking system
07/08/2004US20040130487 Directional antenna physical layer steering for WLAN
07/08/2004US20040130311 Mm-wave terrestrial imager
07/07/2004EP1435526A1 Radiowave location detector for bearing and position determination
07/07/2004EP1382085A4 Antenna array apparatus with conformal mounting structure
07/07/2004EP1127384A4 Rotating field antenna with a magnetically coupled quadrature loop
07/07/2004CN1511359A Modular bi-polarized antenna
07/07/2004CN1511358A Dual band dipole antenna structure
07/07/2004CN1511357A Tunable dual band antenna system
07/07/2004CN1511356A Integrated multiservice car antenna
07/07/2004CN1510959A Cellular telephone antenna switching circuit and method
07/07/2004CN1156937C Balanced-to unbalanced transforming circuit
07/06/2004US6759991 Antenna arrangement
07/06/2004US6759982 Radio direction and position finding apparatus
07/06/2004US6759980 Phased array antennas incorporating voltage-tunable phase shifters
07/06/2004US6759743 Thick film millimeter wave transceiver module
07/06/2004CA2261906C Dual-band coupled segment helical antenna
07/01/2004WO2004055940A1 Method and apparatus for pointing the beam of a wind profiler
07/01/2004WO2004055939A1 Antenna system and method for measuring the azimuth and elevation angles of an active, signal sending radiosonde
07/01/2004WO2004055938A2 Improvements relating to dipole antennas and coaxial to microstrip transitions
07/01/2004WO2004042938A3 Folding directional antenna
07/01/2004US20040125880 Enhanced OFDM by use of alternating polarization states
07/01/2004US20040125038 Colinear antenna of the alternating coaxial type
07/01/2004US20040125036 Low cost multiple pattern antenna for use with multiple receiver systems
07/01/2004US20040125033 Dual-band antenna having high horizontal sensitivity
07/01/2004US20040125026 Antennas with reduced space and improved performance
07/01/2004US20040125024 Built-in antenna system for indoor wireless communications
07/01/2004US20040125022 Antenna apparatus
07/01/2004US20040125020 Wideband printed monopole antenna
07/01/2004US20040125019 Antenna with dynamically variable operating band
07/01/2004US20040125012 Object detector and object detecting method
06/2004
06/30/2004EP1434306A1 Method and apparatus for increasing the number of strong eigenmodes in a mutliple-input multiple output (MIMO) radio channel
06/30/2004EP1434304A1 ANTENNA DEVICE, WIRELESS COMMUNICATION TERMINAL, EXTERNAL ANTENNA AND HAND−STRAP
06/30/2004EP1434300A2 Broadband antenna with a 3-dimensional casting part
06/30/2004CN1509092A Method and apparatus for realizing intelligent antella based on digital wave bean
06/30/2004CN1509089A Full-adaptive intelligent antella receiving device
06/30/2004CN1156178C Method and apparatus for providing forward link softer handoff in a code division multiple access communication system
06/30/2004CN1156092C Arrival direction determining method and radio receiving device
06/30/2004CN1156058C Method for integrating antennas in distributed antenna system
06/30/2004CN1156055C Mobile radio antenna
06/30/2004CN1156053C Flat microwave antenna
06/30/2004CN1155835C Combined GPS positioning system and communication system utilizing shared circuitry
06/29/2004US6757267 Antenna diversity system
06/29/2004US6756949 Wideband cavity-backed antenna
06/29/2004US6756946 Multi-loop antenna
06/29/2004US6756939 Phased array antennas incorporating voltage-tunable phase shifters
06/24/2004US20040121828 Mobile communication
06/24/2004US20040121750 Wireless communication device haing variable gain device and method therefor
06/24/2004US20040119647 Chip antenna, chip antenna unit and wireless communication device using the same
06/24/2004US20040119646 Dielectric loaded antenna apparatus with inclined radiation surface and array antenna apparatus including the dielectric loaded antenna apparatus