Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
01/2002
01/15/2002US6339703 Diversity reception system
01/15/2002US6339407 Antenna array with several vertically superposed primary radiator modules
01/15/2002US6339406 Circular polarized planar printed antenna concept with shaped radiation pattern
01/15/2002US6339405 Dual band dipole antenna structure
01/15/2002US6339400 Integrated antenna for laptop applications
01/10/2002WO2002003560A1 Passive transponder identification system and credit-card type transponder
01/10/2002WO2002003499A1 Radio communication device with integrated antenna, transmitter, and receiver
01/10/2002US20020003505 Multi-beam antenna
01/10/2002US20020003502 One aperture simultaneous RX-TX-antenna
01/10/2002US20020003501 Antenna disposition structure for motorcycle
01/10/2002US20020003497 Metamorphic parallel plate antenna
01/10/2002US20020003491 Communication antenna reuse for a GNSS receiver
01/10/2002DE10129032A1 HF-Modul RF module
01/10/2002DE10030982A1 Antennenumschalter für Sende-Empfangseinheiten in einer Mobilstation Antenna switch for transceivers in a mobile station
01/09/2002EP1169875A1 Adaptive sectorization
01/09/2002CN1330803A Dual mode switched beam antinna
01/08/2002US6337670 Omni-directional broadband helical antenna array
01/08/2002US6337668 Antenna apparatus
01/03/2002WO2002001808A2 Adaptive wireless communications system antenna and method
01/03/2002WO2001067547A3 System and method providing delays for avoiding nulls
01/03/2002US20020002037 Radio communication apparatus and radio communication method
01/03/2002US20020000949 Antenna device provided with matching circuits adapted for reflection coefficients
01/03/2002US20020000948 Semi-blind transmit antenna array device using feedback information and method thereof in a mobile communication system
01/03/2002US20020000944 Low cost compact omini-directional printed antenna
01/03/2002US20020000938 Diversity wireless device and wireless terminal unit
01/03/2002US20020000937 Antenna apparatus and a portable wireless communication apparatus using the same
01/03/2002DE10029847A1 High frequency phase shifter arrangement for radar antenna, has electrically conducting structure whose distance to dielectric waveguide is alterable by vertical movement, so as to influence the wave propagation speed
01/03/2002DE10025992A1 Antenna system e.g. for mobile telephone has respective electrically and magnetically active antennas spaced in near field
01/03/2002CA2352106A1 Dual-polarized and circular-polarized antennas
01/02/2002EP1168658A1 Mobile radio unit
01/02/2002EP1168616A2 Automatic gain-controlled VHF/UHF antenna tuning apparatus
01/02/2002EP1168500A2 Antenna switch for a mobile transceiver
01/02/2002EP1168499A1 Reconfigurable antenna arrangement for a base station
01/02/2002EP1168497A2 Limited field of view antenna for space borne applications
01/02/2002EP1168494A1 Device for transmitting and/or receiving electromagnetic waves fed from an array produced in microstrip technology
01/02/2002EP1168493A2 Dual polarisation antennas
01/02/2002EP1168490A2 Antenna apparatus and waveguide for use therewith
01/02/2002EP1168487A2 Switching and connecting arrangement for coupling external and internal antennas, for example with an expansion card
01/02/2002EP1168415A2 Power supply antenna and power supply method
01/02/2002EP1166392A1 Waveguide array antenna
01/02/2002EP1166390A1 Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications
01/02/2002CN1329447A Antenna reconfiguration device for telecommunication station
01/02/2002CN1329442A Antenna unit adaptive antenna equipment and radio communication equipment
01/02/2002CN1329404A Source antenna for transmitting/receiving electromagnetic wave
01/02/2002CN1077388C Radio basic station structure in primary radio station using diversity mode
01/02/2002CN1077367C A cellular/satellite communications system with improved frequency re-use
01/01/2002US6335766 System and method for transmitting advanced television signals
01/01/2002US6335706 Method to feed antennas proximal a monopole
01/01/2002US6335705 Automotive radar antenna alignment system
01/01/2002US6335704 Antenna device
12/2001
12/27/2001WO2001099240A2 System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency
12/27/2001WO2001099231A1 Optically transparent phase array antenna
12/27/2001WO2001099226A1 Directional antenna
12/27/2001US20010055948 Broadcasting receiving apparatus
12/27/2001US20010054983 Transmit/receive distributed antenna systems
12/27/2001US20010054977 Method for creation of planar or complex wavefronts in close proximity to a transmitter array
12/27/2001US20010054605 Microwave applicator, plasma processing apparatus having the same, and plasma processing method
12/26/2001CN1328711A Circular direction finding antenna
12/25/2001US6333720 Dual polarized multi-range antenna
12/25/2001US6333719 Tunable electromagnetic coupled antenna
12/25/2001US6333714 On-vehicle antenna having wide frequency range
12/25/2001CA2293189C Multi-pattern antenna having frequency selective or polarization sensitive zones
12/20/2001WO2001097331A2 Method and apparatus for beam forming
12/20/2001WO2001097330A1 Planar antenna with wave guide configuration
12/20/2001WO2001097329A1 Narrowband/wideband dual mode antenna
12/20/2001WO2001097325A1 Portable radio unit
12/20/2001WO2001063699A8 A multiband flat panel antenna providing automatic routing between a plurality of antenna elements and an input/output port
12/20/2001WO2001059473A3 Methods and apparatus for obtaining positional information
12/20/2001WO1997024626A3 Itinerary monitoring system
12/20/2001US20010053677 Method and apparatus for integrating an intentional radiator in a system
12/20/2001US20010052880 Antenna apparatus and electronic toll collection system and electronic toll collection method using the same
12/20/2001US20010052874 Antenna element, adaptive antenna apparatus, and radio communication apparatus
12/19/2001EP1164709A1 Cellular telephone
12/19/2001EP1163741A1 Multiplexed power amplifiers for satellite communication system
12/19/2001EP0878062B1 Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception
12/19/2001CN2466800Y Tower intelligent antenna array for radio communication system
12/19/2001CN1327647A Personal communicationa apparatus using polarization diversity
12/18/2001CA2256785C Antenna for communicating with low earth orbit satellite
12/13/2001WO2001095433A1 Antenna and radio device comprising the same
12/13/2001WO2001095432A1 Electromagnetic induction coupling apparatus
12/13/2001WO2001094967A2 Wireless locating and tracking systems
12/13/2001WO2001052353A3 Low cost compact omni-directional printed antenna
12/13/2001US20010050655 Antenna having a wide bandwidth
12/13/2001US20010050646 Antenna for a handset
12/13/2001US20010050640 Narrow-band, crossed-element, offset-tuned dual band, dual mode meander line loaded antenna
12/13/2001US20010050636 Antenna for radio-operated communication terminal equipment
12/13/2001US20010050634 Ground based antenna assembly
12/12/2001EP1162689A1 Improvement to source antennas for transmitting/receiving electromagnetic waves for satellite telecommunications systems
12/12/2001EP1162687A2 Antenna element, adaptive antenna apparatus, and radio communication apparatus
12/12/2001EP1162686A1 Improvement to source-antennas for transmitting/receiving electromagnetic waves
12/12/2001EP1161777A1 Dual band antenna arrangement
12/12/2001CN1326602A Rotating field antenna with magnetically coupled quadrature loop
12/12/2001CN1326243A Flat antenna
12/11/2001US6329959 Tunable dual-band ferroelectric antenna
12/11/2001US6329955 Broadband antenna incorporating both electric and magnetic dipole radiators
12/11/2001US6329954 Dual-antenna system for single-frequency band
12/11/2001US6329952 Automobile radar antenna alignment system using transponder and lasers
12/11/2001US6329949 Transceiver stacked assembly
12/11/2001US6329915 RF Tag having high dielectric constant material
12/11/2001US6329655 Architecture and method of coupling electromagnetic energy to thermal detectors