Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
02/2002
02/14/2002DE10037386A1 Kombiniertes Empfänger- und Transpondermodul Combined receiver and transponder module
02/13/2002EP1179895A1 Array antenna base station apparatus
02/13/2002CN1336024A Antenna assembly
02/12/2002US6346924 Antenna control system
02/12/2002US6346923 Localizer antenna system
02/12/2002US6346921 Broadband antenna
02/12/2002US6346920 Broadband fan cone direction finding antenna and array
02/12/2002US6346919 Dual band and multiple band antenna
02/12/2002US6346918 Scan independent array for circular polarization reception and transmission
02/09/2002CA2351817A1 Adaptive antenna system and method
02/07/2002WO2002011240A1 Combined receiver and transponder module
02/07/2002WO2002010554A1 Fracturing different levels within a completion interval of a well
02/07/2002US20020015000 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems
02/07/2002US20020014995 Dual polarisation patch antenna
02/07/2002US20020014991 Dual band antenna
02/07/2002DE10036132A1 Vehicle mounted radar sensor signal processing method involves determining output signal of radar sensors by calculating differences of signals of filled and thinned out subarrays
02/07/2002DE10036131A1 Radar sensor for sensing traffic situation around a vehicle, has patch antennas, millimeter wave circuit and digital signal processor arranged on both sides of integrated carriers i.e. insulation layers with wirings
02/07/2002DE10034911A1 Antenne für Mehrfrequenzbetrieb Antenna for multi-frequency operation
02/06/2002EP1178568A1 Cross dipole antenna and composite antenna
02/06/2002EP1178567A2 Circular array antenna and method of using the same
02/06/2002EP1178563A1 Broadband, low loss, modular feed for phased array antennas
02/06/2002EP1178561A2 Antenna
02/06/2002EP1178170A1 Remote control system for motor vehicle having an improved receiving antenna
02/06/2002EP1177597A1 Chip card comprising an antenna
02/06/2002EP1177596A1 Glass antenna device for vehicle and radio receiver apparatus using the same
02/06/2002CN1334978A Signal processing method and apparatus for computing optimal weight vector of adaptive antenna array system
02/06/2002CN1334977A Antenna unit and radio apparatus with internal same
02/06/2002CN1334617A Printed flat antenna
02/05/2002US6344833 Adjusted directivity dielectric resonator antenna
02/05/2002US6344831 Slotted cable localizer antenna
02/05/2002US6344830 Phased array antenna element having flared radiating leg elements
02/05/2002US6344829 High-isolation, common focus, transmit-receive antenna set
02/05/2002US6344824 Noncontact communication semiconductor device
02/04/2002CA2352369A1 Power amplifier sharing in a wireless communication system with transmit diversity
01/2002
01/31/2002WO2002009236A2 Modular hub array antenna
01/31/2002WO2002009235A1 Mounting an auxiliary antenna to a reflector antenna
01/31/2002WO2002009234A2 Antenna structure and associated method
01/31/2002WO2002009233A1 Antenna transmitter-receiver system for a radar station
01/31/2002WO2002009231A2 Adaptive array antenna nulling
01/31/2002WO2002007496A2 Wireless communication device and method
01/31/2002US20020013133 Mixed signal true time delay digital beamformer
01/31/2002US20020011965 Slot array antenna with reduced edge diffraction
01/31/2002US20020011961 Dual band microwave radiating element
01/31/2002US20020011958 Antenna apparatus and waveguide for use therewith
01/31/2002US20020011955 Narrowband/wideband dual mode antenna
01/31/2002US20020011954 Transmit/receive distributed antenna systems
01/31/2002US20020011932 Object identification system with adaptive transceivers and methods of operation
01/31/2002DE10107319A1 Rahmenantennenvorrichtung Loop antenna device
01/31/2002DE10035820A1 Multifunctional antenna device has three or more antennas with ration between phases and amplitudes dependent on frequency band
01/31/2002DE10034387A1 Vehicle antenna device has electronic unit and planar antenna arranged on common carrier
01/30/2002EP1176668A1 Dielectric leak wave antenna having mono-layer structure
01/30/2002CN2475157Y Metric wave aerial
01/30/2002CN1333935A Active phased array antenna and antenna controller
01/30/2002CN1078783C Tranmission/reception apparatus
01/29/2002US6342870 Antenna frame structure mounting and alignment
01/29/2002US6342868 Stripline PCB dipole antenna
01/29/2002US6342867 Nested turnstile antenna
01/29/2002US6342866 Wideband antenna system
01/29/2002US6342864 Slot array antenna with cavities
01/29/2002US6342856 Method of feeding flat antenna, and flat antenna
01/24/2002WO2002007332A2 Phased array antenna having stacked patch antenna element with single millimeter wavelength feed and microstrip quadrature-to-circular polarization circuit
01/24/2002WO2002007263A2 Phased array antenna with interconnect member for electrically connecting orthogonally positioned elements used at millimeter wavelength frequencies
01/24/2002WO2002007262A2 System and method for providing improved communication system component interfacing
01/24/2002WO2002007261A1 Multiband planar antenna
01/24/2002WO2002007254A1 Antenna for multi-frequency operation
01/24/2002WO2002007252A2 Phased array antenna having patch antenna elements with enhanced parasitic antenna element performance at millimeter wavelength radio frequency signals
01/24/2002WO2002007085A1 Wireless communication device and method
01/24/2002WO2001061785A3 Antenna horn and associated methods
01/24/2002US20020008665 Antenna feeder line, and antenna module provided with the antenna feeder line
01/24/2002US20020008663 Wide-angle circular polarization antenna
01/24/2002DE10050655C1 Radar detector for buried objects, e.g. utility lines, uses antenna device with at least 3 antenna elements for detection of HF waves
01/23/2002EP1175021A2 Transmit and receiving antenna diversity apparatus and communication method
01/23/2002EP1174946A1 Phased array antenna with active edge elements
01/23/2002CN2473766Y Omnidirectional antenna
01/23/2002CN2473765Y Flat plate antenna for receiving satellite direct broadcast signals
01/23/2002CN1078392C Multiple beamwidth phased array
01/22/2002US6340953 Antenna device
01/22/2002US6340950 Disc antenna system
01/22/2002US6340949 Multiple beam phased array with aperture partitioning
01/22/2002US6340948 Antenna system
01/22/2002US6340932 Carrier with antenna for radio frequency identification
01/22/2002CA2300829C Signal transmission antenna mast
01/17/2002WO2002005386A1 One aperture simultaneous rx-tx-antenna
01/17/2002WO2002005384A1 Internal antennas for mobile communication devices
01/17/2002WO2002005383A1 Cellular antenna
01/17/2002WO2002005382A1 Antenna arrangement and a portable radio communication device
01/17/2002WO2002005381A1 Antenna arrangement and portable radio communication device
01/17/2002WO2002005380A1 Antenna device
01/17/2002US20020006810 Antenna changeover switch for transmit-receive units in a mobile station
01/17/2002US20020005811 Planar printed circuit antenna
01/17/2002US20020005806 Dual band antenna
01/17/2002US20020005804 Locator system for tracking mobile station position during cellular communication
01/17/2002DE10033045A1 Motor-vehicle radar system, has at least one distance sensor comprising a transmit-receive element for transmitting and-or receiving electromagnetic waves
01/17/2002DE10028937A1 Planarantenne mit Hohlleiteranordnung Planar antenna waveguide assembly
01/16/2002EP1172941A2 Adaptive array antenna-based CDMA receiver
01/16/2002EP1172886A2 A symmetrical antenna structure and a method for its manufacture
01/16/2002EP1025619B1 Path finder antenna
01/16/2002CN1331856A Circularly polarized dielectric resonator antenna
01/16/2002CN1331855A Coaxial cavity antenna
01/16/2002CN1331851A Antenna electrical coupling configurations