| Patents for H01Q 21 - Aerial arrays or systems (25,127) |
|---|
| 04/12/1994 | CA1328504C Microstrip antenna system with multiple frequency elements |
| 04/06/1994 | EP0590955A2 Multiple band antenna |
| 04/06/1994 | EP0590928A1 Patch antenna assembly |
| 04/06/1994 | EP0589904A1 Flat aerial |
| 04/05/1994 | US5300936 Multiple band antenna |
| 04/05/1994 | CA1328310C Antenna structure used in portable radio device |
| 03/31/1994 | DE4232827A1 Circularly polarised local antenna arrangement for nuclear spin tomography appts. - has array of three or more linearly polarised coils overlapped to achieve geometric decoupling. |
| 03/29/1994 | US5298909 For processing electromagnetic radiation falling within frequency ranges |
| 03/29/1994 | US5298907 Balanced polarization diversified cellular antenna |
| 03/23/1994 | EP0588179A1 Device for operating a wideband phased array antenna |
| 03/22/1994 | US5296864 Beam compression process for antenna pattern |
| 03/22/1994 | US5296863 Beam compression process for antenna pattern |
| 03/22/1994 | CA1328014C Antenna |
| 03/17/1994 | WO1994006170A1 Coaxial collinear element array antenna |
| 03/17/1994 | DE4302905C1 Directional antenna, pref. symmetrical dipole type - is formed by cutting and/or stamping out sections of reflector wall and bending remaining bridging piece |
| 03/17/1994 | CA2142695A1 Coaxial collinear element array antenna |
| 03/15/1994 | US5295154 Radio frequency local area network |
| 03/15/1994 | US5294939 Electronically reconfigurable antenna |
| 03/09/1994 | EP0585877A1 Printed antenna |
| 03/08/1994 | US5293176 Folded cross grid dipole antenna element |
| 03/08/1994 | US5293171 Phased array antenna for efficient radiation of heat and arbitrarily polarized microwave signal power |
| 03/08/1994 | CA2002108C Electronic scanning antenna |
| 03/08/1994 | CA1327643C Low noise block down-converter for direct broadcast satellite receiver integrated with a flat plate antenna |
| 03/03/1994 | WO1994005057A1 Antenna combination |
| 03/01/1994 | US5291211 A radar antenna system with variable vertical mounting diameter |
| 02/24/1994 | DE4227208A1 Antennenkombination Antenna combination |
| 02/22/1994 | US5289200 Tab coupled slots for waveguide fed slot array antennas |
| 02/22/1994 | US5289142 Transmit/receive switch for phased array antenna |
| 02/17/1994 | WO1994003939A1 Multiband antenna system |
| 02/16/1994 | EP0583110A1 Antenna device having low side-lobe characteristics |
| 02/15/1994 | US5287117 Communication system for transmitting data between a transmitting antenna utilizing a phased array antenna and a receive antenna in relative movement to one another |
| 02/15/1994 | US5287116 Array antenna generating circularly polarized waves with a plurality of microstrip antennas |
| 02/15/1994 | CA1327075C Method of feeding electromagnetic power from an antenna element |
| 02/10/1994 | DE4223651C1 Test arrangement for Adcock direction-finding antenna array - includes phased array of vertical test antennae concentric with receiving array and having cardioidal polar diagram |
| 02/08/1994 | US5285212 Self-supporting columnar antenna array |
| 02/08/1994 | US5285211 Coaxial collinear element array antenna |
| 02/08/1994 | CA2006291C Bifrequency radiating device |
| 02/08/1994 | CA2004870C Multifrequency radiating device |
| 02/03/1994 | DE4225298A1 Linear array antenna with omnidirectional horizontal radiation pattern - incorporates parasitically excited outer tubular resonator radiating from scattering field at open ends of coaxial tubular sections |
| 02/01/1994 | US5283587 Active transmit phased array antenna |
| 02/01/1994 | CA2045466C Signal routing system |
| 02/01/1994 | CA2026066C Multibeam antenna feed device |
| 01/27/1994 | DE4321805A1 Vehicle FM and TV broadcasting antenna system - combines phase shifted broadcast signals and selects signal for best reception using diversity control |
| 01/26/1994 | CN1023625C Micro antenna |
| 01/25/1994 | US5281974 Antenna device capable of reducing a phase noise |
| 01/25/1994 | US5281941 Coil form and coil for antenna coils, or the like |
| 01/19/1994 | EP0578815A1 Reduction of sidelobes in optical arrays |
| 01/18/1994 | US5280472 CDMA microcellular telephone system and distributed antenna system therefor |
| 01/18/1994 | US5280286 Surveillance and identification system antennas |
| 01/12/1994 | EP0578060A2 Method for data transmission between a base station and mobile objects |
| 01/12/1994 | EP0577832A1 Flat slot array |
| 01/11/1994 | US5278574 Mounting structure for multi-element phased array antenna |
| 01/11/1994 | US5278573 Electronic article surveillance system and tag circuit components therefor |
| 01/11/1994 | US5278569 Plane antenna with high gain and antenna efficiency |
| 01/06/1994 | WO1994000890A1 Electromagnetic power distribution system |
| 01/05/1994 | CN2152309Y Full channel full direction powered television receiving antenna |
| 01/04/1994 | US5276455 Packaging architecture for phased arrays |
| 01/04/1994 | US5276452 Scan compensation for array antenna on a curved surface |
| 01/04/1994 | US5276410 Circular to linear polarization converter |
| 12/29/1993 | EP0575808A1 Adjustable beam tilt antenna |
| 12/28/1993 | US5274391 Broadband directional antenna having binary feed network with microstrip transmission line |
| 12/28/1993 | US5274388 Antenna device |
| 12/28/1993 | CA1325675C Microwave phase scan antenna array |
| 12/23/1993 | WO1993025955A1 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power |
| 12/23/1993 | CA2137831A1 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power |
| 12/21/1993 | US5272487 Elliptically polarized antenna |
| 12/16/1993 | DE4219569A1 Wideband hybrid antenna with dipole coupled to conductive loop - operates as resonant antenna between 1.5 and 14 Mega-Hertz and as truly wideband antenna between 14 and 50 Mega-Hertz |
| 12/15/1993 | EP0573970A1 Omnidirectional antenna |
| 12/14/1993 | US5270725 Rotating antenna with wire dipoles |
| 12/14/1993 | US5270724 Multifrequency phased array aperture |
| 12/14/1993 | US5270721 Planar antenna |
| 12/14/1993 | US5270719 Transmission/reception module for an electronically phase-controlled antenna |
| 12/14/1993 | US5270671 Negative slope phase skewer |
| 12/14/1993 | US5270667 Impedance matching and bias feed network |
| 12/09/1993 | CA2097122A1 Adjustable beam tilt antenna |
| 12/08/1993 | EP0572701A1 Receiver device |
| 12/08/1993 | EP0276282B1 Modular antenna array |
| 12/07/1993 | US5268701 Radio frequency antenna |
| 12/03/1993 | CA2070204A1 Receiver device |
| 11/30/1993 | US5266960 Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires |
| 11/24/1993 | EP0570863A2 Surveillance radar antenna in flat configuration |
| 11/24/1993 | EP0527178A4 A flat plate antenna |
| 11/23/1993 | US5264862 High-isolation collocated antenna systems |
| 11/23/1993 | US5264861 Circular polarization antenna |
| 11/23/1993 | US5264856 System and method for detecting radiant energy reflected by a length of wire |
| 11/23/1993 | CA1324657C Omnidirectional antenna, particularly for the transmission of radiobroadcast or television signals in the uhf band, and radiating system made of several such antennas |
| 11/17/1993 | CN2146784Y 全频道电视天线 Full channel TV antenna |
| 11/16/1993 | US5262794 Monolithic gallium arsenide phased array using integrated gold post interconnects |
| 11/16/1993 | US5262791 Multi-layer array antenna |
| 11/16/1993 | US5262790 Antenna which assures high speed data rate transmission links between satellites and between satellites and ground stations |
| 11/10/1993 | EP0569016A1 Molded plastic microwave antenna |
| 11/10/1993 | EP0401252B1 Microstrip antenna |
| 11/03/1993 | EP0568189A2 Antenna device |
| 11/02/1993 | US5258771 Interleaved helix arrays |
| 11/02/1993 | US5258770 Ground independent feed network for a multiterminal antenna |
| 11/02/1993 | US5258768 Dual band frequency reuse antenna |
| 11/02/1993 | US5258766 Antenna structure for providing a uniform field |
| 10/27/1993 | EP0567228A2 Beam compression process for antenna patterns |
| 10/27/1993 | EP0566836A2 High frequency therapeutic device |
| 10/26/1993 | US5257032 Antenna system including spiral antenna and dipole or monopole antenna |