Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053) |
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11/16/1999 | US5986614 Antenna device |
11/16/1999 | US5986609 Multiple frequency band antenna |
11/16/1999 | US5986606 Planar printed-circuit antenna with short-circuited superimposed elements |
11/16/1999 | CA2153465C Communications antenna structure |
11/16/1999 | CA2023210C Spiral-antennae system |
11/11/1999 | WO1999057785A1 Patch antenna |
11/11/1999 | WO1999057784A1 Dual multitriangular antennas for gsm and dcs cellular telephony |
11/11/1999 | WO1999057783A1 Broad band patch antenna |
11/11/1999 | CA2295901A1 Dual multitriangular antennas for gsm and dcs cellular telephony |
11/10/1999 | EP0955690A2 Compact wide band receiving and transmitting antenna |
11/10/1999 | EP0955689A1 Plane antenna, and portable radio using same |
11/10/1999 | EP0954886A1 A substantially flat, aperture-coupled antenna element |
11/10/1999 | CN1234627A Antenna and production method therefor |
11/10/1999 | CN1046382C Antenna device for mobile telephone |
11/09/1999 | US5982336 Structure of super integrated down converter (SIDC) with dual band mechanical and notch filters |
11/09/1999 | US5982332 Broad band transmit and receive antenna |
11/09/1999 | US5982330 Antenna apparatus |
11/09/1999 | US5982329 Single channel transceiver with polarization diversity |
11/09/1999 | US5982326 Active micropatch antenna device and array system |
11/09/1999 | US5982245 Radiating oscillator apparatus for micro-and millimeter waves |
11/09/1999 | US5982103 Compact radio frequency transmitting and receiving antenna and control device employing same |
11/04/1999 | WO1999056344A1 A left-hand circular polarized antenna for use with gps systems |
11/04/1999 | WO1999056343A1 Antenna device for mobile radio communication |
11/03/1999 | EP0954055A1 Dual-frequency radiocommunication antenna realised according to microstrip technique |
11/03/1999 | EP0954054A1 Folded antenna |
11/03/1999 | EP0954049A2 Circuit board bonding method, branch circuit and its designing method, waveguide-microstrip transition, and application to HF circuit, antenna and communication system |
11/03/1999 | EP0830566A4 Light beam range finder |
11/03/1999 | CN1233862A Folded antenna |
11/02/1999 | US5977928 High efficiency, multi-band antenna for a radio communication device |
11/02/1999 | US5977921 Circular-polarization two-way antenna |
11/02/1999 | US5977920 Double antenna especially for vehicles |
11/02/1999 | US5977919 TV antenna apparatus for vehicles |
11/02/1999 | US5977916 Difference drive diversity antenna structure and method |
11/02/1999 | US5977914 Microstrip antenna |
11/02/1999 | US5977710 Patch antenna and method for making the same |
10/30/1999 | CA2267536A1 Radiocommunication device and dual frequency antenna produced using microstrip technology |
10/28/1999 | WO1999054956A2 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement |
10/28/1999 | DE19818206A1 Decimeter wave planar radiator with reflection attenuation |
10/27/1999 | EP0952625A2 Antenna for several radio communications services |
10/26/1999 | US5973646 Antenna device having a matching means |
10/26/1999 | US5973644 Planar antenna |
10/26/1999 | US5972156 Method of making a radio frequency identification tag |
10/21/1999 | WO1999053568A1 Patch antenna |
10/21/1999 | WO1999053567A1 Three dimensional micromachined electromagnetic device and associated methods |
10/21/1999 | WO1999053566A1 Antenna assembly and a mobile radio apparatus using the same |
10/21/1999 | WO1999009610A8 Antenna unit and signal switching circuit |
10/21/1999 | DE19817573A1 Antenne für mehrere Funkdienste Antenna for multiple radio services |
10/21/1999 | CA2328708A1 Three dimensional micromachined electromagnetic device and associated methods |
10/20/1999 | EP0950269A1 Dual band antenna |
10/20/1999 | EP0713611B1 In-glass antenna |
10/20/1999 | EP0578701B1 Article sorting system |
10/19/1999 | US5969690 Mobile radio antenna |
10/19/1999 | US5969688 Cellular phone antenna with reactance cancellation |
10/19/1999 | US5969685 Pivotable multiple frequency band antenna with capacitive coupling |
10/19/1999 | US5969683 Radiotelephones with antenna matching switching system configurations |
10/19/1999 | US5969682 Antenna apparatus and portable radio apparatus |
10/19/1999 | US5969681 Extended bandwidth dual-band patch antenna systems and associated methods of broadband operation |
10/19/1999 | US5969680 Antenna device having a radiating portion provided between a wiring substrate and a case |
10/19/1999 | US5969663 Time domain radio transmission system |
10/14/1999 | WO1999052178A1 Compact spiral antenna |
10/14/1999 | WO1999052175A1 Wide band antenna means incorporating a radiating structure having a band form |
10/14/1999 | DE19815003A1 Dual polarisiertes Antennenelement Dual-polarized antenna element |
10/14/1999 | DE19814048A1 Planar multi-patch, multi-range antenna with key-shaped directional diagram for low earth orbit satellites |
10/12/1999 | US5966102 Dual polarized array antenna with central polarization control |
10/12/1999 | US5966098 Antenna system for an RF data communications device |
10/12/1999 | US5966097 Antenna apparatus |
10/12/1999 | US5966096 Compact printed antenna for radiation at low elevation |
10/07/1999 | WO1999050932A1 Antenna unit and digital television receiver |
10/07/1999 | WO1999050929A1 Circuit and method for eliminating surface currents on metals |
10/07/1999 | WO1999043037A3 Uniplanar dual strip antenna |
10/06/1999 | EP0948084A2 Dual polarised antenna element |
10/06/1999 | EP0947032A2 Retractable radiotelephone antennas and associated radiotelephone communication methods |
10/06/1999 | EP0829112B1 Multiple band printed monopole antenna |
10/06/1999 | CN1231071A Planar antenna with patch radiators for wide bandwidth and pass band function |
10/06/1999 | CN1231069A Antenna system for RF data communications device |
10/06/1999 | CN1230801A Portable telephone antenna circuit with reduced susceptibility to human body and method for realizing the same |
10/05/1999 | US5963853 Method and arrangement relating to a telecommunication system |
10/05/1999 | CA2190792C Antenna device having two resonance frequencies |
09/30/1999 | WO1999049535A1 Radio frequency antenna with integrated impedance matching element |
09/30/1999 | DE19831193C1 Short rod antenna for automobile e.g. for automobile with sunroof or removable roof |
09/29/1999 | CN1230037A Multifrequency microstrip antenna and device including said antenna |
09/28/1999 | US5959586 Sheet antenna with tapered resistivity |
09/28/1999 | US5959582 Surface mount type antenna and communication apparatus |
09/23/1999 | WO1999048167A1 Antenna device having magnetic fastening means and ground coupling means capable of operating at multiple frequencies |
09/23/1999 | WO1999040647B1 Rigid and flexible flat antenna |
09/23/1999 | DE19806592A1 Mikrowellen-Bewegungssensor Microwave motion sensor |
09/23/1999 | DE19709143A1 Microwave immersion sensor for measuring very different parameters, e.g. distance, fill level, moisture, material conc., density, etc., e.g. for measuring sol., emulsions or suspensions in industrial process measurement |
09/22/1999 | EP0943104A1 Omnidirectional transponder |
09/22/1999 | CN1229530A Wide-angle circular polarization antenna |
09/21/1999 | US5955999 Antenna assembly for a radiotelephone |
09/21/1999 | US5955996 Tunable fiberglass antenna |
09/21/1999 | US5955995 Radio frequency antenna and method of manufacture thereof |
09/16/1999 | WO1999046830A1 Method and tool for manufacturing an antenna unit, and an antenna unit |
09/16/1999 | DE19810749A1 Radio set for use as terminal in mobile radio systems |
09/15/1999 | EP0942488A2 Antenna device and radio device comprising the same |
09/15/1999 | EP0942441A2 Coil element and method for manufacturing thereof |
09/14/1999 | US5952983 High isolation dual polarized antenna system using dipole radiating elements |
09/14/1999 | US5952975 Hand-held transmitting and/or receiving apparatus |
09/14/1999 | US5952974 Antenna assembly and portable radio apparatus |
09/14/1999 | US5952972 Broadband nonhomogeneous multi-segmented dielectric resonator antenna system |