| 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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| 12/30/1997 | US5703603 Multi-beam lens antenna |
| 12/29/1997 | EP0814537A1 Method and radiating device below the horizon having a high ratio front/backward radiation |
| 12/24/1997 | WO1997048578A1 Sensor mounting |
| 12/23/1997 | US5701596 Modular interconnect matrix for matrix connection of a plurality of antennas with a plurality of radio channel units |
| 12/23/1997 | US5701583 Land-based wireless communications system having a scanned directional antenna |
| 12/17/1997 | CN1168209A Process for signal transmission between movable and fixed radio receiving and transmitting apparatuses in wireless communication system and device for carrying same out |
| 12/17/1997 | CN1168007A Microstrip antenna |
| 12/17/1997 | CN1167923A Microwave detection technique of moving object |
| 12/11/1997 | WO1997047055A1 Antenna arrangement |
| 12/10/1997 | EP0812028A2 Apparatus for and method of detecting a reflector within a medium |
| 12/10/1997 | EP0812027A2 Calibration method for satellite communications payloads using hybrid matrices |
| 12/10/1997 | EP0812026A2 A communication system and methods utilizing a reactively controlled directive array |
| 12/10/1997 | EP0812005A2 Post-reception focusing in remote detection systems |
| 12/10/1997 | CN1167545A Antenna control system |
| 12/10/1997 | CN1167349A Device for holding antenna |
| 12/09/1997 | US5696519 Polarization angle adjustment apparatus for transmitter and receiver equipment |
| 12/04/1997 | WO1997046039A1 Method for optimising coverage by reshaping antenna pattern |
| 12/04/1997 | WO1997045968A1 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system |
| 12/03/1997 | EP0810685A2 Vehicle-mounted satellite signal receiving system |
| 12/03/1997 | CN1166694A Solid-state antenna switch and field-effect transistor |
| 12/02/1997 | US5694498 Optically controlled phase shifter and phased array antenna for use therewith |
| 12/02/1997 | US5694134 Incorporating continuously variable phase delay transmission lines which provide for steering antenna beam |
| 12/02/1997 | US5694133 Adaptive direction finding system |
| 12/02/1997 | US5693429 Layers of barium strontium titanate and either alumina, zirconia and-or magnesia |
| 11/27/1997 | WO1997044978A1 Method and system for selecting an antenna beam of a base station of a radio system |
| 11/27/1997 | WO1997044920A1 Self-calibration apparatus and method for communication device |
| 11/27/1997 | WO1997044908A1 Adaptive antenna system and method for cellular and personal communication systems |
| 11/27/1997 | WO1997044855A1 Process and device for reception with directional resolution |
| 11/26/1997 | EP0809323A2 Signal processing apparatus and method for reducing the effects of interference and noise in wireless communications utilizing antenna array |
| 11/26/1997 | EP0809322A2 Vehicule-mounted satellite signal receiving apparatus |
| 11/26/1997 | CN1166249A Spread spectrum radio transmission digital mobile communication device |
| 11/26/1997 | CN1166238A Quadrifilar helix antenna and feed network |
| 11/25/1997 | US5691729 Aperture-to-receiver gain equalization in multi-beam receiving systems |
| 11/25/1997 | US5691728 Method and apparatus for bias error reductioon in an N-port modeformer of the butler matrix type |
| 11/19/1997 | EP0807992A1 Logarithmic spiral array |
| 11/19/1997 | EP0807990A1 Circularly symmetric, zero redundancy, planar array antenna |
| 11/19/1997 | EP0807989A1 Devices for transmitter path weights and methods therefor |
| 11/19/1997 | EP0660912B1 Apparatus for the three-dimensional orientation of an object |
| 11/18/1997 | US5689528 Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer |
| 11/18/1997 | US5689276 Housing for antenna device |
| 11/18/1997 | US5689275 Electromagnetic antenna and transmission line utilizing photonic bandgap material |
| 11/18/1997 | US5689272 Method and system for producing antenna element signals for varying an antenna array pattern |
| 11/18/1997 | US5689262 Electronic baffle and baffle controlled microwave devices |
| 11/18/1997 | CA2111394C Slotted leaky waveguide array antenna |
| 11/12/1997 | EP0806606A1 Reflector |
| 11/12/1997 | EP0806121A1 Method and apparatus for providing redundant radio coverage within a cellular communication system |
| 11/11/1997 | US5686928 Phased array antenna for radio frequency identification |
| 11/06/1997 | WO1997041705A1 Rotating lobe access method |
| 11/06/1997 | WO1997041642A1 Transmitter combiner arrangement |
| 11/06/1997 | WO1997034381A3 Method and apparatus for antenna realignment in a mobile radiotelephone using an injected audio signal |
| 11/05/1997 | EP0805514A2 Self-phase up of array antennas with non-uniform element mutual coupling and arbitrary lattice orientation |
| 11/05/1997 | EP0805511A2 Dual frequency feed horn for an antenna |
| 11/05/1997 | EP0805510A2 Active array self calibration |
| 11/05/1997 | EP0805509A2 Active phased array adjustment using transmit amplitude adjustment range measurements |
| 11/05/1997 | EP0804858A1 Spectrally efficient high capacity wireless communication systems |
| 11/05/1997 | EP0804849A1 Device and process for aerial selection in a wireless telephone system |
| 11/04/1997 | US5684494 Reflector antenna, especially for a communications satellite |
| 11/04/1997 | US5684491 High gain antenna systems for cellular use |
| 10/30/1997 | WO1997040594A1 Dividable transmit antenna array for a cellular base station and associated method |
| 10/30/1997 | CA2249583A1 Dividable transmit antenna array for a cellular base station and associated method |
| 10/29/1997 | EP0803930A2 Antenna system for controlling and redirecting communication beams |
| 10/29/1997 | CN1163494A Directional antenna mounting |
| 10/28/1997 | US5682165 Active array self calibration |
| 10/22/1997 | EP0802579A2 Multi sector antenna |
| 10/21/1997 | US5680143 Method and apparatus for a low complexity satellite ranging system using Gaussian noise overlay |
| 10/21/1997 | US5680142 Communication system and method utilizing an antenna having adaptive characteristics |
| 10/21/1997 | US5680141 Temperature calibration system for a ferroelectric phase shifting array antenna |
| 10/21/1997 | US5680136 Electrically adjustable microwave reflector and application as an electromagnetic decoy |
| 10/16/1997 | WO1997038463A1 Microstrip wide band antenna and radome |
| 10/16/1997 | CA2251245A1 Microstrip wide band antenna and radome |
| 10/15/1997 | EP0801437A2 Beam forming network for multiple-beam-feed sharing antenna system |
| 10/15/1997 | EP0800737A1 Multiple access digital transmitter and receiver |
| 10/14/1997 | US5678171 Mobile receiver for satellite broadcast during flight |
| 10/14/1997 | US5677697 Millimeter wave arrays using Rotman lens and optical heterodyne |
| 10/14/1997 | US5677696 Method and apparatus for remotely calibrating a phased array system used for satellite communication using a unitary transform encoder |
| 10/14/1997 | CA2128883C Diversity antenna structure having closely-positioned antennas |
| 10/14/1997 | CA2125587C Integrated anti-backlash gearhead motor |
| 10/14/1997 | CA2012850C Transponder with selective antenna beam using shared antenna feed elements |
| 10/08/1997 | EP0631367B1 Integrated anti-backlash gearhead motor |
| 10/07/1997 | US5675343 Radiating-element array antenna |
| 10/01/1997 | EP0798806A1 Method and apparatus for bias error reduction in an N-port modeformer of the butler matrix type |
| 10/01/1997 | EP0798805A2 Multisatellite television antenna mount |
| 09/30/1997 | US5673052 Near-field focused antenna |
| 09/25/1997 | WO1997035412A1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 09/24/1997 | CN1160330A Method for management of additional service in mobile communication network |
| 09/23/1997 | US5670959 Antenna reflector |
| 09/18/1997 | WO1997034381A2 Method and apparatus for antenna realignment in a mobile radiotelephone using an injected audio signal |
| 09/17/1997 | EP0796024A2 Low power, short range point-to-multipoint communications system |
| 09/17/1997 | EP0795924A1 Method and device for base band delay affecting a transposed radio frequency signal |
| 09/17/1997 | CN1159687A Method and system for increasing power factor of balance amplifier/antenna assembly |
| 09/12/1997 | WO1997033342A1 Planar array antenna |
| 09/12/1997 | WO1997033341A1 Single-wire spiral antenna |
| 09/12/1997 | CA2217730A1 Planar array antenna |
| 09/12/1997 | CA2199561A1 Procedure and device for transferring a delay affecting a transposed radiofrequency signal to a baseband |
| 09/11/1997 | DE19608966A1 Analogue signal phase and amplitude adjustment method |
| 09/10/1997 | CN1159261A Reception method and base station receiver |
| 09/09/1997 | US5666127 Subarray panel for solar energy transmission |
| 09/03/1997 | EP0793394A2 Method of supplementary services management in a mobile communications network |
| 09/03/1997 | EP0793292A1 An antenna receive calibration arrangement |
| 09/03/1997 | EP0793291A2 Millimeter wave arrays using Rotman lens and optical heterodyne system |