Patents
Patents for H01Q 21 - Aerial arrays or systems (25,127)
10/2000
10/31/2000US6140968 Surface mount type circularly polarized wave antenna and communication apparatus using the same
10/31/2000US6140965 Broad band patch antenna
10/31/2000US6140963 Ambiguity removal and angles-of-arrival estimation for radially polarized conformal arrays
10/31/2000US6140962 Antenna system
10/28/2000CA2307515A1 High efficiency feed network for antennas
10/28/2000CA2270302A1 High efficiency printed antennas
10/26/2000WO2000064206A1 Adaptive sectorization
10/26/2000WO2000064008A1 Flared notch radiator assembly and antenna
10/26/2000WO2000064004A2 An rf transponder
10/26/2000WO2000017960A9 Antenna array structure stacked over printed wiring board with beamforming components
10/26/2000DE19914220A1 Magnet resonance transmission antenna
10/26/2000DE19913222A1 Short-range synthetic aperture radar technique for resolving three-dimensional space and objects e.g. in ground by reconstructing backscatter characteristics of volume elements observed from different directions
10/25/2000EP1046962A2 Radio hologram observation apparatus and method therefor
10/25/2000EP1046197A1 Low cost methods of fabricating true-time-delay continuous transverse stub array antennas
10/25/2000CN1271469A Microwave flat antenna
10/24/2000US6137843 Methods and apparatus for canceling adjacent channel signals in digital communications systems
10/24/2000US6137452 Double shot antenna
10/24/2000US6137448 Center FED traveling wave antenna capable of high beam tilt and null free stable elevation pattern
10/24/2000US6137447 Antenna for reader/writer
10/24/2000US6137445 Antenna apparatus for mobile terminal
10/24/2000US6137444 Method of producing an antenna element assembly
10/24/2000US6137434 Multibeam radar system
10/24/2000US6137377 Four stage selectable phase shifter with each stage floated to a common voltage
10/24/2000CA2177954C Planar antenna
10/19/2000WO2000062370A2 Integrated communication facility
10/19/2000WO2000043805A3 System for radio frequency identification
10/19/2000WO2000043803A3 Method of detecting a radio frequency identification device
10/19/2000WO2000028350A9 System for measuring and displaying three-dimensional characteristics of electromagnetic waves
10/19/2000DE19917202A1 Multibeam-Phasenarray-Antenneneinrichtung Multibeam phased array antenna device
10/18/2000EP1045473A2 Multibeam phased array antenna system
10/18/2000EP1044482A1 Electromagnetic wave transmitter/receiver
10/17/2000US6133889 Log periodic dipole antenna having an interior centerfeed microstrip feedline
10/17/2000US6133888 Polarization-agile multi-octave linear array with hemispherical field-of-view
10/17/2000US6133882 Multiple parasitic coupling to an outer antenna patch element from inner patch elements
10/17/2000US6133880 Short-circuit microstrip antenna and device including that antenna
10/17/2000US6133879 Multifrequency microstrip antenna and a device including said antenna
10/17/2000US6133878 Microstrip array antenna
10/17/2000US6133877 Microstrip distribution network device for antennas
10/17/2000US6133875 Position determining apparatus and position determining method using the same
10/17/2000US6133871 GPS receiver having power management
10/17/2000US6133737 Circularly polarizing antenna for a magnetic resonance apparatus
10/12/2000WO2000060700A1 Waveguide array antenna
10/12/2000WO2000060699A1 High-frequency device using switch having movable parts, and method of manufacture thereof
10/12/2000WO2000060695A1 Balanced-to-unbalanced transforming circuit
10/12/2000DE19912465A1 Mehr-Bereichs-Antenne Multi-range antenna
10/11/2000EP1043803A2 Mutiple scanning beam direct radiating array and method for its use
10/10/2000US6131067 Client-server based remote locator device
10/10/2000US6130653 Compact stripline Rotman lens
10/10/2000US6130648 Double slot array antenna
10/05/2000WO2000059070A1 Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications
10/05/2000CA2368401A1 Compact dual mode integrated antenna system for terrestrial cellular and satellite telecommunications
10/04/2000EP1041735A2 Diversity device and diversity antenna
10/04/2000EP1041673A2 Active multiple beam antennas
10/04/2000EP1041671A1 Antenna feeding circuit
10/04/2000EP1041670A2 Array antenna transmitter with a high transmission gain proportional to the number of antenna elements
10/04/2000EP1040536A1 Broadband antenna
10/04/2000CN1269060A Antenna unit for portable phones
10/04/2000CN1268853A Aerial array having reduced sensitivity to frequency drift effect
10/04/2000CN1268813A Diversity type device and diversity type aerial
10/04/2000CN1268787A Aerial suitable for multiple frequency wave band
10/03/2000US6128333 Spread spectrum radio transmission digital mobile communication
10/03/2000US6127987 Antenna and manufacturing method therefor
10/03/2000US6127985 Dual polarized slotted array antenna
10/03/2000US6127984 Flared notch radiator assembly and antenna
10/03/2000US6127982 Apparatus and method for processing satellite and terrestrial signals
10/03/2000US6127981 Phased array antenna for radio frequency identification
10/03/2000US6127978 Planar antenna module
10/03/2000US6127972 Technique for wireless communications using a multi-sector antenna arrangement
10/03/2000US6127963 Motor vehicle radar sensor
09/2000
09/28/2000WO2000057579A1 Multiplexed power amplifiers for satellite communication system
09/28/2000WO2000057514A1 Multiband antenna
09/27/2000EP1039576A1 Antenna apparatus and communication apparatus using the antenna apparatus
09/27/2000EP1039575A1 Antenna unit for portable phones
09/26/2000US6124834 Glass antenna for RF-ion source operation
09/26/2000US6124833 Radial line slot antenna
09/26/2000US6124832 Structure of vehicular active antenna system of mobile and satellite tracking method with the system
09/26/2000US6124831 Folded dual frequency band antennas for wireless communicators
09/26/2000US6124830 Planar antenna
09/26/2000US6124829 Circularly polarized wave patch antenna with wide shortcircuit portion
09/26/2000US6124828 Anti-jamming array antenna
09/21/2000WO2000055939A1 Dual band antenna arrangement
09/21/2000DE19911999A1 Planar antenna element, for communication and/or GPS applications, has conductive foil deposited on outer surface of disk and dielectric plate is arranged on supports
09/21/2000DE19911758A1 Modular hybrid radiator/emitter system for GSM or DCS transmission standards has conductive coating of surface over foil that is at larger distance than height of conductive disk or foil
09/20/2000EP1037307A2 Planar radiation oscillator apparatus
09/20/2000EP1037306A2 RF receiving antenna system
09/20/2000EP1036434A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus
09/20/2000EP1036425A1 Vhf/uhf self-tuning planar antenna system
09/20/2000EP1036424A1 Antenna and transmitter arrangement for eas system
09/20/2000EP1036423A2 Method and arrangement relating to antennas
09/20/2000CN2397612Y All-channel high gain steering aerial
09/20/2000CN1267101A Antenna equipment and communication using such antenna equipment
09/19/2000US6122261 Hitless ultra small aperture terminal satellite communication network
09/19/2000US6121939 Multibeam antenna
09/19/2000US6121935 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems
09/19/2000US6121933 Dual near-field focused antenna array
09/19/2000US6121931 Planar dual-frequency array antenna
09/19/2000US6121929 Antenna system
09/19/2000US6121925 Data-link and antenna selection assembly
09/14/2000WO2000054369A1 Antenna apparatus with feed elements
09/14/2000WO2000054367A1 A microstrip antenna arrangement in a communication device