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