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Class Information
Number: 343/756
Name: Communications: radio wave antennas > Antennas > With polarization filter or converter
Description: Subject matter wherein the active antenna is combined with structure which acts directly on the radio wave to filter out wave energy of an undesired polarization or to modify the polarization pattern of the wave.

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8704719 Multi-function antenna Apr. 22, 2014
8693970 Multi-beam active phased array architecture with independant polarization control Apr. 8, 2014
8674893 Antenna feed assembly Mar. 18, 2014
8660623 Mobile wireless device with integrated antenna and audio transducer assembly and related methods Feb. 25, 2014
8634792 Adjustable antenna assembly for receive blocking Jan. 21, 2014
8633861 Waveguide radiating element of an antenna suitable to operate in the Wi-Fi band, and system for measuring the performances of an antenna operating in the C band and using such a radiating elem Jan. 21, 2014
8618994 Passive electromagnetic polarization shifter with dielectric slots Dec. 31, 2013
8599085 Electromechanical polarization switch Dec. 3, 2013
8576133 Adjustable antenna assembly for receive blocking Nov. 5, 2013
8571599 Mobile wireless device with multi feed point antenna and audio transducer and related methods Oct. 29, 2013
8547290 Device for conveying signals for mobile antenna positioner Oct. 1, 2013
8519899 Passive electromagnetic polarization shifter with dielectric slots Aug. 27, 2013
8497673 Directional resistivity antenna shield Jul. 30, 2013
8487824 Zero degree grid antenna Jul. 16, 2013
8487823 Switchable microwave fluidic polarizer Jul. 16, 2013
8451189 Ultra-wide band (UWB) artificial magnetic conductor (AMC) metamaterials for electrically thin antennas and arrays May. 28, 2013
8437082 Orthogonal scattering features for solar array May. 7, 2013
8427382 Power combiner/divider for coupling N-coaxial input/outputs to a waveguide via a matching plate to provide minimized reflection Apr. 23, 2013
8421696 Dual polarization antenna structure, radome and design method thereof Apr. 16, 2013
8395559 Capacitive loaded grid antenna Mar. 12, 2013
8354975 Electromagnetic band gap element, and antenna and filter using the same Jan. 15, 2013
8354969 Polarizer and waveguide antenna apparatus using the same Jan. 15, 2013
8339326 Antenna polarization control Dec. 25, 2012
8314341 Printed circuit board having electromagnetic bandgap structure Nov. 20, 2012
8258408 Electromagnetic interference noise reduction board using electromagnetic bandgap structure Sep. 4, 2012
8253025 Printed circuit board having electromagnetic bandgap structure Aug. 28, 2012
8253642 Leaky-wave antenna capable of multi-plane scanning Aug. 28, 2012
8248322 Wideband composite polarizer and antenna system Aug. 21, 2012
8184057 Wideband composite polarizer and antenna system May. 22, 2012
8164532 Circular polarized compound loop antenna Apr. 24, 2012
8160530 Multi-beam active phased array architecture Apr. 17, 2012
8125400 Compact antenna feed assembly and support arm with integrated waveguide Feb. 28, 2012
8121544 Communication system using transmit/receive slot antennas for near field electromagnetic coupling of data therebetween Feb. 21, 2012
8115694 Dual-polarized coupling device comprising annular groove fed by first and second feed conductors Feb. 14, 2012
8106841 Antenna structure Jan. 31, 2012
8102330 Dual band circularly polarized feed Jan. 24, 2012
8094081 Dual band radio frequency (RF) and optical communications antenna and terminal design methodology and implementation Jan. 10, 2012
8085209 Sub-array polarization control using rotated dual polarized radiating elements Dec. 27, 2011
8081117 Antenna device Dec. 20, 2011
8081062 Transmit/receive antenna system having offset feed points for high isolation Dec. 20, 2011
8077103 Cup waveguide antenna with integrated polarizer and OMT Dec. 13, 2011
8068063 Dual-band coupling device comprising first and second annular grooves fed by first and second feed conductors Nov. 29, 2011
8009113 System and method for focusing antenna signal transmission Aug. 30, 2011
7990328 Conductor having two frequency-selective surfaces Aug. 2, 2011
7956703 Multi-band transducer for multi-band feed horn Jun. 7, 2011
7948442 Radio wave receiving converter and satellite broadcast receiving antenna device May. 24, 2011
7876278 Dual-feed antenna Jan. 25, 2011
7868839 Planar scanner antenna for high frequency scanning and radar environments Jan. 11, 2011
7864125 Dual-band coupling device comprising first and second annular grooves being fed by first and second feed conductors Jan. 4, 2011
7847748 Single input circular and slant polarization selectivity by means of dielectric control Dec. 7, 2010

1 2 3 4 5 6 7 8

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