Patents for H01Q 3 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system (21,949) |
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04/16/2003 | CN1106086C Signal processing method utilizing eigenvector corresponding to maximum eigenvalue of autocorrelation matrix of received signals for antenna array system |
04/15/2003 | US6549529 System and method for controlling antenna downtilt/uptilt in a wireless communication network |
04/15/2003 | US6549171 Constrained feed techniques for phased array subarrays |
04/15/2003 | US6549169 Antenna for mobile wireless communications and portable-type wireless apparatus using the same |
04/15/2003 | US6549164 Distributed adaptive combining system for multiple aperture antennas including phased arrays |
04/10/2003 | WO2003030303A1 Radio wave lens antenna apparatus |
04/10/2003 | WO2003029838A1 Radio wave bearing/location finder |
04/10/2003 | WO2003019726A3 Conformal two dimensional electronic scan antenna with butler matrix and lens esa |
04/10/2003 | US20030069717 Aggregate beamformer for use in a directional receiving array |
04/10/2003 | US20030069047 Adaptive array antenna directivity control system |
04/10/2003 | US20030069046 Base station apparatus provided with array antennas and reception method using the same antennas |
04/10/2003 | US20030069045 Radio receiving apparatus and radio receiving method |
04/10/2003 | US20030068993 Radio base station apparatus and radio communication method |
04/10/2003 | US20030068983 Mobile communication apparatus with antenna array and mobile communication method therefor |
04/10/2003 | US20030067971 Interference signal canceling apparatus and interference signal canceling method |
04/10/2003 | US20030067411 Electromechanical switching for circuits constructed with flexible materials |
04/10/2003 | CA2460982A1 Radio wave lens antenna apparatus |
04/10/2003 | CA2445214A1 Radio wave bearing/location finder |
04/09/2003 | EP1300909A1 Device for phase balancing of the feed lines of an antenna system with transmission of a pilot tone |
04/09/2003 | EP1181736A4 Variable phase shifter |
04/09/2003 | EP1118173B1 Antenna circuit |
04/09/2003 | CN1409901A Radio signal receiving system |
04/09/2003 | CN1409437A Internal multiple frequency band antenna |
04/08/2003 | US6545648 Adaptive control of RF receiving antenna system for digital television |
04/08/2003 | CA2276979C Directional coupler, antenna device, and transmitting-receiving device |
04/03/2003 | WO2003028248A1 Calibration of a radio communications system |
04/03/2003 | WO2003028154A1 Planar reflector |
04/03/2003 | WO2003028153A1 Frequency dependent calibration of a wideband radio system using narrowband channels |
04/03/2003 | WO2003028150A1 Method and apparatus for mounting a rotating reflector antenna |
04/03/2003 | WO2003028148A1 Antenna system for an aircraft and method of operating the antenna system |
04/03/2003 | US20030064739 Frequency dependent calibration of a wideband radio system using narrowband channels |
04/03/2003 | US20030063032 Antenna system, transceiver, electrical equipment, and computer terminal |
04/03/2003 | US20030062971 Band switchable filter |
04/02/2003 | EP1297591A2 System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency |
04/02/2003 | EP1297587A1 Method and apparatus for capacity changes in transceiver apparatus and base station with such a transceiver |
04/02/2003 | EP1297585A1 A method of fabricating waveguide channels |
04/02/2003 | CN1407732A Switch device for receiving/emitting electromagnetic wave device |
04/02/2003 | CN1104780C Estimator of direction of desired signal |
04/01/2003 | US6542746 Frequency reuse scheme for point to multipoint radio communication |
04/01/2003 | US6542662 Mode translating waveguide adapter for a quasi-optic grid array |
04/01/2003 | US6542129 Elevation positioning cradle for microwave antenna |
04/01/2003 | US6542125 Radio device with moveable antenna |
04/01/2003 | US6542118 Antenna apparatus including compound curve antenna structure and feed array |
04/01/2003 | US6542117 Satellite apparatus with omnidirectional and manually steerable directional antenna |
04/01/2003 | US6541984 Method and system for measuring electromagnetic waves, and recording medium in which electromagnetic wave measurement control program is recorded |
03/27/2003 | WO2003026161A1 Adaptive transceiver system |
03/27/2003 | WO2003026069A2 Spatial null steering microstrip antenna array |
03/27/2003 | WO2003025619A2 Radar imaging apparatus |
03/27/2003 | WO2003025613A2 Sub-surface radar imaging |
03/27/2003 | WO2002086542A3 A method and apparatus for identifying buried objects using ground penetrating radar |
03/27/2003 | WO2002015323A9 Highly integrated single substrate mmw multi-beam sensor |
03/27/2003 | US20030058189 Reflecting surfaces having geometries independent of geometries of wavefronts reflected therefrom |
03/27/2003 | US20030058188 Novel grating |
03/27/2003 | US20030058179 Method and apparatus for mounting a rotating reflector antenna to minimize swept arc |
03/27/2003 | US20030058166 Apparatus and method for calibrating array antenna |
03/27/2003 | US20030058165 Method for improving smart antenna array coverage |
03/27/2003 | US20030058153 Adaptive digital beamforming radar method and system for maintaining multiple source angle super-resolution capability in jamming |
03/27/2003 | CA2460455A1 Sub-surface radar imaging |
03/27/2003 | CA2458614A1 Radar imaging apparatus |
03/26/2003 | EP1296465A1 Calibration system for array antenna receiving apparatus |
03/26/2003 | EP1296410A1 Internal Multi-Band Antenna |
03/26/2003 | EP1296409A1 Microwave antenna integrated into an artillery projectile |
03/26/2003 | EP1295360A1 Material having magnetic permeability at r.f. frequency |
03/26/2003 | EP1295357A1 An antenna |
03/26/2003 | EP1295356A1 Mode translating waveguide adapter for a quasi-optic grid array |
03/26/2003 | EP0981837B1 Active antenna comprising radiating elements with redundant architecture |
03/26/2003 | CN1406088A Apparatus and method for calibrating array antenna |
03/26/2003 | CN1405992A Apparatus for diversity receiving/emitting signals using radiation |
03/26/2003 | CN1405983A Portable radio apparatus capable of receiving multiple wave-band signals |
03/26/2003 | CN1104175C Method and system for selecting an antenna beam of a base station of radio system |
03/26/2003 | CN1104105C Method and apparatus for interference rejection combining and downliak beam forming in cellular radiocommunications system |
03/25/2003 | US6538793 Electronically tunable and modulatable quasi-optic grid oscillator |
03/25/2003 | US6538619 Antenna control system |
03/25/2003 | US6538613 Arrangement for aiming a radio link antenna |
03/25/2003 | US6538612 Satellite locator system |
03/25/2003 | US6538603 Phased array antennas incorporating voltage-tunable phase shifters |
03/25/2003 | US6538602 Satellite-tracking antenna controlling apparatus |
03/25/2003 | US6538597 Radar system having spoofer, blanker and canceler |
03/25/2003 | US6538528 T-circuit produced using microstrip technology with a phase-shifting element |
03/20/2003 | WO2003023955A1 Array antenna apparatus |
03/20/2003 | WO2003023898A1 Method and apparatus for beam steering in a wireless communications system |
03/20/2003 | WO2003023897A1 Method and apparatus for beam steering in a wireless communications systems |
03/20/2003 | WO2003023895A2 Method of detection of signals using an adaptive antenna in a peer-to-peer network |
03/20/2003 | WO2003023436A2 Adaptive digital beamforming radar method |
03/20/2003 | US20030054790 Receiver |
03/20/2003 | US20030052830 Antenna apparatus for performing wireless communication or broadcasting by selecting one of two types of linearly polarized waves |
03/20/2003 | US20030052825 Spatial null steering microstrip antenna array |
03/20/2003 | US20030052819 Multi-beam antenna with interference cancellation network |
03/20/2003 | CA2468021A1 Method of detection of signals using an adaptive antenna in a peer-to-peer network |
03/19/2003 | EP1294047A2 Apparatus and method for calibrating array antenna |
03/19/2003 | EP1293050A2 Adaptive antenna array |
03/19/2003 | EP1293013A2 Method and apparatus for beam forming |
03/19/2003 | EP1293011A1 Techniques for enhancing gain in a quasi-optic grid array |
03/19/2003 | EP1293010A2 Methods and apparatus for constructing photonic beamforming networks |
03/19/2003 | EP1292548A1 Electronically tunable ceramic materials including tunable dielectric and metal silicate phases |
03/19/2003 | CN2540719Y Outside antenna for TV. set |
03/19/2003 | CN1404665A Method including a radio transmitter for improving radio link operation |
03/19/2003 | CN1404663A Radio base station apparatus and radio communication method |
03/19/2003 | CN1404283A Foldable mobile telephone capable of controling radiation |
03/18/2003 | US6535178 Antenna device having a learning function and capable of searching and memorizing wireless bands |