Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 21 - Aerial arrays or systems
Patents for H01Q 21 - Aerial arrays or systems (25,127)
10/1998
10/29/1998WO1998048480A1 Antenna system
10/29/1998WO1998048479A1 A multi-frequency antenna
10/29/1998WO1998048475A1 Composite antenna for duplexer-free duplex operation terminals and method
10/29/1998WO1998048473A1 A coupler for a multi-frequency antenna
10/29/1998CA2287357A1 Antenna system
10/29/1998CA2286844A1 A multi-frequency antenna
10/29/1998CA2286841A1 A coupler for a multi-frequency antenna
10/28/1998CN1197515A Circuit module for a phased array radar
10/28/1998CN1197309A Circular-polarization antenna
10/27/1998US5828964 Apparatus and method for point-to-point multipoint radio transmission
10/27/1998US5828344 Radiation sensor
10/21/1998EP0872912A2 Circular-polarization antenna
10/20/1998US5825333 Offset multibeam antenna
10/20/1998US5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system
10/20/1998US5825329 Modulated backscatter microstrip patch antenna
10/20/1998US5825327 GPS receivers and garments containing GPS receivers and methods for using these GPS receivers
10/15/1998WO1998045893A1 An antenna unit for transmitting and receiving signals from/to a portable radio terminal unit and a portable radio unit
10/14/1998EP0871237A1 Planar antenna
10/14/1998EP0870345A1 Antenna assembly
10/14/1998CN2294527Y Antinna polarized control network
10/14/1998CN1195907A Composite rooftop antenna for terrestrial and satallite reception
10/14/1998CN1195906A Multi-band antenna structure for portable radio
10/14/1998CN1195905A Multi-band antenna structure
10/14/1998CN1195900A Multibeam antenna
10/14/1998CN1040270C Antenna apparatus
10/13/1998US5821908 Spherical lens antenna having an electronically steerable beam
10/08/1998WO1998044589A2 Dual-band helical antenna
10/08/1998WO1998026471A3 Frequency selective antenna
10/08/1998DE19813767A1 Microwave transceiver module
10/07/1998EP0869675A2 An exciter circuit for digital television transmitters
10/07/1998EP0869674A1 Transmitting system and method
10/07/1998EP0869673A2 Television signal broadcasting system with common clock reference
10/07/1998EP0869672A1 Predistortion circuit for an RF amplifier
10/07/1998EP0869671A1 Frequency controlling circuit for digital television transmission
10/07/1998EP0869670A1 Combining adjacent TV channels for transmission by a common antenna
10/07/1998EP0869666A2 A digital system having a sync confidence counter
10/07/1998EP0869650A2 A trellis encoder for encoding a digital data stream
10/07/1998EP0869578A1 Adaptive reception diversity apparatus and adaptive transmission diversity apparatus
10/07/1998EP0869577A1 Adaptive transmission diversity apparatus and adaptive transmission diversity method
10/07/1998EP0868764A1 Low-cost communication phased-array antenna
10/07/1998EP0611490B1 Terrestrial antennas for satellite communication system
10/07/1998CN2293901Y Ring shape intelligent antenna array for radio communication system
10/07/1998CN1195240A Adaptive transmission diversity apparatus and adaptive transmission diversity method
10/06/1998US5819185 Portable satellite communication apparatus
10/06/1998US5818397 Circularly polarized horizontal beamwidth antenna having binary feed network with microstrip transmission line
10/06/1998US5818393 Wide field-of-view fixed body conformal antenna direction finding array
10/06/1998US5818392 Antenna with fixed and movable elements
10/06/1998US5818391 Microstrip array antenna
10/06/1998US5818390 Ring shaped antenna
10/06/1998US5818386 Design of an electronic beam forming network for phased array applications
10/06/1998US5818385 Communication system for controlling radiation patterns
10/06/1998US5818381 Electronic viewing aid
10/04/1998CA2233247A1 Television signal broadcasting system with common clock reference
10/04/1998CA2232759A1 Combining adjacent tv channels for transmission by a common antenna
10/01/1998WO1998043315A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
10/01/1998CA2284045A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
09/1998
09/30/1998EP0867972A1 Aperture antenna and radar system using same
09/30/1998EP0867053A1 Dual polarized array antenna with central polarization control
09/30/1998CN2293127Y High-gain all-channel domestic TV receiving antenna
09/29/1998US5815121 Flatplate array antenna with polarizer lens
09/29/1998US5815119 Integrated stacked patch antenna polarizer circularly polarized integrated stacked dual-band patch antenna
09/29/1998US5815112 Planar array antenna and phase-comparison monopulse radar system
09/24/1998WO1998042042A1 Antenna for orbiting satellite
09/24/1998WO1998042041A1 Variable directivity antenna and method of controlling variable directivity antenna
09/24/1998DE19711655A1 Integral monitor network for instrument landing system
09/24/1998CA2284872A1 Antenna for orbiting satellite
09/23/1998EP0866516A1 Deployed payload for a communications spacecraft
09/23/1998CN1193826A Small helical antenna with non-directional radiation pattern
09/22/1998US5812947 Cellular/satellite communications systems with improved frequency re-use
09/22/1998US5812943 High frequency band high temperature superconductor mixer antenna which allows a superconductor feed line to be used in a low frequency region
09/22/1998US5812097 Dual band antenna
09/22/1998US5812091 Radio interferometric antenna for angle coding
09/22/1998US5812089 Apparatus and method for beamforming in a triangular grid pattern
09/22/1998US5812088 Beam forming network for radiofrequency antennas
09/22/1998US5812084 In a computer
09/22/1998US5812081 Time domain radio transmission system
09/22/1998CA2124459C Compact broadband microstrip antenna
09/17/1998WO1998040928A1 Microstrip array antenna
09/17/1998WO1998026642A3 Wide band planar radiator
09/16/1998EP0865100A2 A small helical antenna with non-directional radiation pattern
09/16/1998EP0865097A1 Method and apparatus for the fabrication of slotted waveguides, particularly usable for millimetric wavelengths
09/16/1998EP0864209A1 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception
09/16/1998EP0864187A1 Antenna device
09/16/1998EP0766833B1 Electronic viewing aid
09/15/1998US5808587 Wireless access control system using a proximity member and antenna equipment therefor
09/15/1998US5808586 Side-by-side coil-fed antenna for a portable radio
09/11/1998WO1998039856A1 Method and system for improving communication
09/11/1998WO1998039851A1 Cellular communications systems
09/11/1998WO1998039666A1 Antenna for transmitting and/or receiving signals with rectilinear polarisation
09/09/1998EP0863571A2 A mobile image apparatus and an antenna apparatus used for the mobile image apparatus
09/09/1998EP0863570A2 A chip antenna and a method for adjusting frequency of the same
09/09/1998EP0863407A1 Antenna for the transmission and/or reception of signals having linear polarisation
09/09/1998EP0791233A4 Transmit and receive loop antenna
09/09/1998CN1192833A Linear coverage area antenna system for a CDMA communication system
09/09/1998CN1192596A Shared antenna and portable radio device using the same
09/08/1998US5805113 Multiband antenna receiver system with, LNA, AMP, combiner, voltage regulator, splitter, noise filter and common single feeder
09/03/1998WO1998038754A1 Dual-mode satellite/terrestrial mobile communication unit
09/03/1998CA2253316A1 Dual-mode satellite/terrestrial mobile communication unit
09/02/1998EP0862239A1 Multiple frequency antenna
09/02/1998EP0861559A1 Multichannel radio frequency transmission system to deliver wide band digital data into independent sectorized service areas
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