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Class Information
Number: 343/837
Name: Communications: radio wave antennas > Antennas > Antenna with parasitic reflector > Plural reflectors
Description: Subject matter including two or more reflectors as defined in subclass 834 above.










Sub-classes under this class:

Class Number Class Name Patents
343/838 Including a screening reflector 7


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8669913 MIMO antenna system Mar. 11, 2014
8519890 Planar bi-directional radiation antenna Aug. 27, 2013
8378915 Antenna assembly Feb. 19, 2013
8223085 Sensor element for opening of doors and gates Jul. 17, 2012
8200297 Cellular phone Jun. 12, 2012
8149179 Low loss variable phase reflect array using dual resonance phase-shifting element Apr. 3, 2012
8149178 Millimeter-wave communication system with directional antenna and one or more millimeter-wave reflectors Apr. 3, 2012
8102328 Method and device for the transmission of waves Jan. 24, 2012
7864132 Active photonic forbidden band antennae Jan. 4, 2011
7812778 Antenna apparatus Oct. 12, 2010
7812767 Antenna device, array antenna device using the antenna device, module, module array and package module Oct. 12, 2010
7800551 Passive parabolic antenna, wireless communication system and method of boosting signal strength of a subscriber module antenna Sep. 21, 2010
7801491 Wireless communication system and method Sep. 21, 2010
7719478 Optimisation of forbidden photo band antennae May. 18, 2010
7649504 Backfire antenna with upwardly oriented dipole assembly Jan. 19, 2010
7642965 Antenna device Jan. 5, 2010
7443355 Antenna feed-tube-to-amplifier coupling Oct. 28, 2008
7394440 Three-dimensional antenna fabrication from multiple two-dimensional structures Jul. 1, 2008
7187341 Antenna apparatus having a reflector Mar. 6, 2007
6989797 Adaptive antenna for use in wireless communication systems Jan. 24, 2006
6977622 Shaped-reflector multibeam antennas Dec. 20, 2005
6745057 Portable telephone Jun. 1, 2004
6697028 Multi-band ring focus dual reflector antenna system Feb. 24, 2004
6677908 Multimedia aircraft antenna Jan. 13, 2004
6515635 Adaptive antenna for use in wireless communication systems Feb. 4, 2003
6337668 Antenna apparatus Jan. 8, 2002
6295034 Common aperture reflector antenna with improved feed design Sep. 25, 2001
6211813 Compact monopulse source for a focal feed reflector antenna Apr. 3, 2001
6211834 Multiband ring focus antenna employing shaped-geometry main reflector and diverse-geometry shaped subreflector-feeds Apr. 3, 2001
6121938 Antenna having improved blockage fill-in characteristics Sep. 19, 2000
5977926 Multi-focus reflector antenna Nov. 2, 1999
5949594 Process for the generation of information in space Sep. 7, 1999
5905473 Adjustable array antenna May. 18, 1999
5600339 Antenna Feb. 4, 1997
5585807 Small antenna for portable radio phone Dec. 17, 1996
5581267 Gaussian-beam antenna Dec. 3, 1996
5546097 Shaped dual reflector antenna system for generating a plurality of beam coverages Aug. 13, 1996
5526008 Antenna mirror scannor with constant polarization characteristics Jun. 11, 1996
5461394 Dual band signal receiver Oct. 24, 1995
5444455 Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction Aug. 22, 1995
5235343 High frequency antenna with a variable directing radiation pattern Aug. 10, 1993
5231413 Airborne IFF antenna with switchable multiple patterns Jul. 27, 1993
5229783 Field adjustable sectoral antenna Jul. 20, 1993
5202701 Low radar cross section reflector antenna Apr. 13, 1993
5160937 Method of producing a dual reflector antenna system Nov. 3, 1992
5075692 Antenna system Dec. 24, 1991
4982198 High performance dipole feed for reflector antennas Jan. 1, 1991
4978967 Offset antenna Dec. 18, 1990
4959657 Omnidirectional antenna assembly Sep. 25, 1990
4897664 Image plate/short backfire antenna Jan. 30, 1990

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