Patents
Patents for H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (4,834)
10/2001
10/02/2001US6297780 Mobile apparatus with plurality of antennas having different directivities
09/2001
09/26/2001EP1135832A1 Circular direction finding antenna
09/26/2001CN1315065A directional antenna
09/25/2001US6295035 Circular direction finding antenna
09/25/2001US6295033 Vehicle antenna assembly for receiving satellite broadcast signals
09/25/2001CA2253035C A method of producing a helical antenna capable of covering multiple frequency bands
09/19/2001CN1314014A Antenna device comprising sliding connector means
09/18/2001US6292156 Low visibility radio antenna with dual polarization
09/18/2001US6292144 Elongate radiator conformal antenna for portable communication devices
09/13/2001WO2001067551A1 Transmitting and receiving antenna
09/13/2001US20010020921 Tunable antenna having separate radiator parts and process for manufacturing it
09/11/2001US6288686 Tapered direct fed quadrifilar helix antenna
09/11/2001US6288680 Antenna apparatus and mobile communication apparatus using the same
09/05/2001EP1129506A1 Cavity-driven antenna system
09/05/2001EP1129504A1 Broadband miniaturized slow-wave antenna
09/04/2001US6285341 Low profile mobile satellite antenna
09/04/2001US6285340 Helical antenna for portable phones and manufacturing method thereof
09/04/2001US6285329 Portable reception indicator for satellite radio-navigation systems
09/04/2001CA2303703C The lemniscate antenna element
08/2001
08/30/2001WO2001063784A1 A device and system for providing a wireless high-speed communications network
08/29/2001EP1127384A1 Rotating field antenna with a magnetically coupled quadrature loop
08/28/2001US6281859 Antenna for personal mobile communications or locating equipment
08/28/2001US6281851 Antenna assembly and communication device utilizing such antenna assembly
08/23/2001DE10005558A1 Vehicle data communications device uses dual channel communications microwave frequencies for intermediate frequency processing by conventional parts
08/21/2001US6278415 Multi-filar helical antenna and portable radio
08/21/2001US6278414 Bent-segment helical antenna
08/16/2001WO2001059475A1 Device for transmitting data in a motor vehicle
08/16/2001EP1123568A1 Elongate personal communications apparatus
08/15/2001CN1308385A Manufacture of antenna
08/09/2001WO2001056469A2 Magnetic resonance imaging transseptal needle antenna
08/09/2001CA2398967A1 Magnetic resonance imaging transseptal needle antenna
08/08/2001EP0947032B1 Retractable radiotelephone antennas and associated radiotelephone communication methods
08/08/2001CN1307736A Tuneable antenna with separate radiators and its manufacturing process
08/07/2001US6271802 Three dimensional micromachined electromagnetic device and associated methods
08/07/2001US6271800 Circularly polarized cross dipole antenna
07/2001
07/31/2001US6269240 Slidable connection for a retractable antenna to a mobile radio
07/31/2001US6268597 Microwave oven
07/25/2001EP1119074A2 Multi-band antenna suitable for use in a mobile radio device
07/25/2001EP1118137A1 Dual antenna and radio device provided therewith
07/24/2001US6266518 Method and system for down-converting electromagnetic signals by sampling and integrating over apertures
07/24/2001US6266025 Coaxial dielectric rod antenna with multi-frequency collinear apertures
07/19/2001WO2001052354A1 Coaxial dielectric rod antenna
07/18/2001CN1304562A Method of mfg. cellular radio device and case
07/17/2001US6262693 Snap fit compression antenna assembly
07/12/2001WO2001050545A1 Electromagnetic radiation blocking antenna and fabrication method thereof
07/11/2001EP1114490A2 Antenna which can be operated in several frequency bands
07/11/2001EP1114489A1 Whip antenna and method of producing the same
07/10/2001US6259901 Radio-frequency power amplifier of mobile communication equipment
07/10/2001US6259420 Antenna element with helical radiation members
07/04/2001EP1112604A1 High-performance sectored antenna system using low profile broadband feed devices
07/04/2001CN1302462A Coaxial wire, particularly feed connector or decoupling device of multilayer coaxial wire
07/04/2001CN1302422A Drive circuit for reactive loads
07/03/2001US6255998 Lemniscate antenna element
06/2001
06/28/2001WO2001047058A1 Antenna for mobile communication terminal
06/27/2001EP1111717A1 Directional antenna with electromagnetic interference suppressor
06/27/2001EP1111715A1 Antenna device
06/27/2001EP1110275A1 Adaptive multifilar antenna
06/27/2001CN1301417A Antenna device comprising feeding means and a hand-held radio communication device for such antenna device
06/27/2001CN1301416A Antenna device comprising capacitively coupled radiating elements and a land-held radio communication device for such antenna device
06/27/2001CN1301415A Antenna system and a radio communication device including an antenna system
06/26/2001US6252562 Antenna for orbiting satellite
06/26/2001US6252456 Power amplifier load controller and method for controlling a power amplifier load
06/26/2001CA2277154C Dual band antenna
06/21/2001WO2001045208A1 Antenna device
06/21/2001WO2001045205A2 Antenna coupling systems and methods for transmitters
06/21/2001WO2001045204A1 Impedance matching circuit and antenna using impedance matching circuit
06/21/2001CA2358877A1 Impedance matching circuit and antenna using impedance matching circuit
06/21/2001CA2358875A1 Antenna device
06/19/2001US6249262 Switchable antenna for radio communication devices
06/19/2001US6249257 Switched, dual helical, retractable, dual band antenna for cellular communications
06/14/2001WO2001043227A1 Antenna and mobile radio unit
06/13/2001CN1299158A Antenna element
06/12/2001US6246865 Device and method for controlling distortion characteristic of predistorter
06/12/2001US6246379 Helix antenna
06/12/2001US6246372 Extendable whip antenna
06/07/2001WO2001041254A1 Antenna and radio device
06/05/2001US6243052 Low profile panel-configured helical phased array antenna with pseudo-monopulse beam-control subsystem
06/05/2001US6243051 Dual helical antenna for variable beam width coverage
06/05/2001US6243050 Double-stacked hourglass log periodic dipole antenna
05/2001
05/31/2001WO2001039319A1 Broad-band scissor-type antenna
05/31/2001WO2001010018A8 Power amplifier load controller and method for controlling a power amplifier load
05/30/2001EP1103081A1 Antenna for hand-held communication user terminal
05/29/2001US6240279 Transmission power control apparatus and a radio communication apparatus including the transmission power control apparatus
05/29/2001US6239760 Contrawound toroidal helical antenna
05/25/2001WO2001037368A1 Mobile satellite communication terminal and method for using the same
05/25/2001CA2390089A1 Mobile satellite communication terminal and method for using the same
05/23/2001CN1296650A Contrawound helical antenna
05/16/2001EP1100148A1 Circularly polarized cross dipole antenna
05/16/2001EP0777922B1 An antenna
05/15/2001US6233439 Signal to noise estimation of forward link traffic channel for fast power control
05/15/2001US6232929 Multi-filar helix antennae
05/10/2001WO2001033668A1 Dielectric antenna
05/10/2001WO2001033666A1 Dual-mode satellite and terrestrial antenna
05/09/2001EP1098392A2 Method of producing a quadrifilar antenna and antenna according to this method
05/08/2001US6229995 Power control device in radio transmitter
05/08/2001US6229499 Folded helix antenna design
05/08/2001US6229498 Helical antenna
05/08/2001US6229492 Antenna device for automotive vehicle
05/08/2001US6229489 Retractable dual-band antenna system with parallel resonant trap
05/03/2001WO2001031736A1 Helical antenna
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