Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › 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
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)
01/1999
01/05/1999CA2156967C A radio communication device incorporating a flippable antenna structuree
12/1998
12/30/1998EP0887879A1 Phased-array antenna apparatus
12/30/1998EP0887878A1 Beam steering antenna unit
12/29/1998US5854986 Cellular communication system having device coupling distribution of antennas to plurality of transceivers
12/29/1998US5854612 Method and apparatus for controlling array antenna
12/29/1998US5854611 In a wireless communication system
12/29/1998US5854610 Radar electronic scan array employing ferrite phase shifters
12/29/1998US5854609 Satellite tracking method for vehicle-mounted antenna system
12/23/1998EP0886425A1 Portable emergency call system for mobile radio
12/23/1998EP0885510A1 Method and apparatus for routing a digitized rf signal to a plurality of paths
12/23/1998CN1202986A Very small aperture terminal and antenna for use therein
12/23/1998CN1202744A Radio transmitting apparatus and gain control method for the same
12/22/1998US5852687 Integrated optical time delay unit
12/22/1998US5852423 Variable pointing antenna mount, suitable for satellite telecommunication antennas
12/22/1998US5852420 Antenna device
12/22/1998US5852419 Rotating mirror drum radiometer imaging system
12/17/1998WO1998057389A1 An arrangement comprising an antenna reflector and a transceiver horn combined to form a compact antenna unit
12/17/1998WO1998057191A1 Self calibrating radar system
12/16/1998CN1202047A Adaptive array antenna receiving apparatus
12/15/1998US5850199 Mobile tracking antenna made by semiconductor technique
12/10/1998WO1998056121A1 Adaptive array transceiver
12/10/1998WO1998056070A1 Antenna reference point
12/10/1998WO1998056069A1 Adaptive array antenna
12/10/1998WO1998056068A1 Adaptive array antenna
12/10/1998WO1998056065A1 Radio device with moveable antenna
12/10/1998WO1998056064A1 Device for antenna systems
12/10/1998DE19811679A1 Aerial structure of stacked planar layers
12/10/1998DE19723331A1 Funkgerät Radio set
12/09/1998EP0883208A2 Multi-beam antenna system for cellular radio base stations
12/09/1998EP0883207A2 Adaptive array antenna receiving apparatus
12/09/1998EP0883206A2 Transmitting/Receiving apparatus for high frequencies and usage of the apparatus
12/09/1998CN1201306A Maximal-ratio synthetic transmission diversity device
12/09/1998CN1201299A Antenna array receiver and method for correcting phase-shift quantity of receiving signal
12/08/1998US5847681 Communication and tracking antenna systems for satellites
12/08/1998US5847672 Composition of material exhibiting variable dielectric properties
12/08/1998US5847624 Discrete increment signal processing system using parallel branched N-state attenuator networks
12/08/1998US5846893 Thin film ferroelectric composites and method of making
12/03/1998WO1998054851A2 A radio system and a call set-up method
12/03/1998WO1998054842A2 Method and apparatus for receiving multi-region broadcast entertainment transmissions at a moving receiver station
12/03/1998WO1998054786A1 Communication method between a base station with n antennae and a mobile phone and base station for implementing same
12/03/1998WO1998042150A3 Downlink smart antennas for is-54/is-136 tdma systems
12/02/1998EP0881782A2 Maximum-ratio synthetic transmission diversity device
12/02/1998EP0881705A2 Antenna array receiver and a method of correcting a phase shift amount of a receiving signal
12/02/1998EP0881704A2 Radio communication apparatus in CDMA communication system with calibration
12/02/1998CN1200605A Radio communication apparatus in CDMA communication system
12/01/1998US5845193 Transmitting apparatus for use in non-geostationary satellites
12/01/1998US5844527 For transmitting/receiving directed radar signals
12/01/1998US5844407 Method using squid array for improving the sensitivity of a slot antenna
12/01/1998CA2133596C A method and apparatus for receiving signals in a multi-path environment
11/1998
11/26/1998WO1998053521A1 Variable azimuth mounting assembly for panel antennas
11/25/1998EP0880195A1 Antenna adjuster
11/25/1998EP0879506A1 Aperture-to-receiver gain equalization in multi-beam receiving systems
11/25/1998EP0879424A1 Radio frequency identification reader
11/24/1998US5841400 Estimator of direction of desired signal
11/24/1998US5841397 Autotracking antenna system
11/24/1998US5841394 Self calibrating radar system
11/24/1998US5841146 Reflector
11/24/1998US5841121 Hand-held optically readable character set reader having automatic focus control for operation over a range of distances
11/22/1998CA2205873A1 Novel techniques for the cancellation of beam squint in planar printed reflectors
11/19/1998WO1998052301A2 Satellite apparatus with omnidirectional and manually steerable directional antenna
11/19/1998WO1998052293A1 Antenna arrangement for portable two-way radio apparatus
11/19/1998WO1998052248A1 Method and device for antenna calibration
11/19/1998WO1998052247A1 Radar sensor for a vehicle
11/19/1998DE19719953A1 Vehicle radar sensor e.g. for distance warning
11/19/1998CA2289646A1 Satellite apparatus with omnidirectional and manually steerable directional antenna
11/18/1998EP0878865A1 Improved antenna system and method thereof
11/18/1998EP0878062A1 Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception
11/18/1998EP0878029A1 A method and arrangement relating to a telecommunication system
11/18/1998EP0818082B1 Process and receiver for the reconstruction of signals distorted by multi-directional diffusion
11/17/1998US5838674 Circuitry and method for time division multiple access communication system
11/17/1998US5838284 Spiral-shaped array for broadband imaging
11/17/1998US5838278 Antenna pointing apparatus mounted on satellite using feed forward with reference model
11/17/1998US5838276 Microwave energy implemented aircraft landing system
11/17/1998US5837987 Hand-held optically readable character set reader having automatic focus control for operating over a range of distances
11/16/1998CA2235725A1 A method of installation for a fixed wireless access subscriber antenna
11/13/1998CA2205389A1 Steerable mobile antenna in a mobile communication network
11/12/1998WO1998050981A1 Radio antenna system
11/12/1998WO1998050980A1 Butler beam port combining for hexagonal cell coverage
11/12/1998WO1998050979A1 Active antenna comprising radiating elements with redundant architecture
11/12/1998DE19719764A1 Kraftfahrzeug-Radarsensor Motor-vehicle radar sensor
11/12/1998CA2288635A1 Radio antenna system
11/12/1998CA2288626A1 Butler beam port combining for hexagonal cell coverage
11/11/1998EP0877444A1 Downlink beam forming architecture for heavily overlapped beam configuration
11/11/1998EP0877441A1 Portable radio telephone with pivotable antenna
11/11/1998EP0877440A1 Directivity varying type diversity antenna apparatus
11/11/1998EP0648324B1 Method and apparatus of stud array upstand setting
11/11/1998CN1198859A Apparatus and method for providing a beacon signal in a wireless communication system
11/11/1998CN1198601A Inner and outer antenna structure for portable remote terminal equipment
11/10/1998US5835069 Navigation satellite system component
11/10/1998US5835068 Microwave transceiver/antenna system with adjustable mounting and alignment mechanism
11/10/1998US5835062 Flat panel-configured electronically steerable phased array antenna having spatially distributed array of fanned dipole sub-arrays controlled by triode-configured field emission control devices
11/10/1998US5835058 Adaptive reflector constellation for space-based antennas
11/10/1998US5835057 For use in a vehicle
11/10/1998US5834753 Laser scanner module having integral interface with hand-held data capture terminal proximity and label sensing, and enhanced sensitivity and power efficiency
11/05/1998WO1998049786A2 Adaptive communication system and method using unequal weighting of interference and noise
11/05/1998WO1998049746A1 Terminal-antenna device for moving satellite constellation
11/05/1998WO1998049745A1 Antenna system, in particular for pointing moving satellites
11/05/1998WO1998049743A1 Antenna for radio communications apparatus
11/05/1998WO1998049742A1 An antenna for a radio communications apparatus
11/04/1998CN1198045A Adaptive reception diversity apparatus and adaptive transmission diversity apparatus
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