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Class Information
Number: 333/135
Name: Wave transmission lines and networks > Plural channel systems > Having branched circuits > For providing frequency separation > Utilizing long line element > Including waveguide element
Description: Subject matter wherein the long line element is of the type having a magnetic or electrical component extending in the direction of propagation.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8665036 Compact tracking coupler Mar. 4, 2014
8653906 Opposed port ortho-mode transducer with ridged branch waveguide Feb. 18, 2014
8549740 Method of manufacturing a folded waveguide Oct. 8, 2013
8542081 Molded orthomode transducer Sep. 24, 2013
8525616 Antenna feed network to produce both linear and circular polarizations Sep. 3, 2013
8508312 OMT type broadband multiband transmission-reception coupler-separator for RF frequency telecommunications antennas Aug. 13, 2013
8493161 Compact excitation assembly for generating a circular polarization in an antenna and method of fashioning such a compact excitation assembly Jul. 23, 2013
8461939 Waveguide orthomode transducer Jun. 11, 2013
8433257 Integrated waveguide transceiver Apr. 30, 2013
8410988 Dual mode rotary joint for propagating RF and optical signals therein Apr. 2, 2013
8350640 Transceiver module for satellite antenna Jan. 8, 2013
8344826 Phased-array antenna filter and diplexer for a super economical broadcast system Jan. 1, 2013
8324985 Isolated dual-mode converter and applications thereof Dec. 4, 2012
8258892 High-speed bandpass serial data link Sep. 4, 2012
8254851 Integrated orthomode transducer Aug. 28, 2012
8229387 Even harmonic mixer Jul. 24, 2012
8072294 Filter having switch function and band pass filter Dec. 6, 2011
8055210 Transceiver for radio-frequency communication Nov. 8, 2011
8022788 Filter with crosses Sep. 20, 2011
8013687 Ortho-mode transducer with TEM probe for coaxial waveguide Sep. 6, 2011
8008983 Waveguide multiplexer and waveguide phase shifter connected by a polarization adjustment assembly Aug. 30, 2011
7956703 Multi-band transducer for multi-band feed horn Jun. 7, 2011
7949310 RF filtering at very high frequencies for substrate communications May. 24, 2011
7847652 Compact orthomode transducer with improved cross-polarization isolation Dec. 7, 2010
7804381 Broadcast signal waveguide Sep. 28, 2010
7791431 3-port orthogonal mode transducer and receiver and receiving method using the same Sep. 7, 2010
7755450 Waveguide correlation unit and a method for its manufacturing Jul. 13, 2010
7738653 Method for selecting impedance setting for loop start trunk line Jun. 15, 2010
7680510 Diversity-switched front end base station transceiver system Mar. 16, 2010
7663452 Ridge-waveguide filter and filter bank Feb. 16, 2010
7650121 Time division duplexing transmission/reception apparatus and method using polarized duplexer Jan. 19, 2010
7612628 Ultrafast sampler with coaxial transition Nov. 3, 2009
7551042 Microwave pulse compressor using switched oversized waveguide resonator Jun. 23, 2009
7474173 Cross-polar and co-polar transceiver Jan. 6, 2009
7468641 Microwave bandstop filter for an output multiplexer Dec. 23, 2008
7432781 Monolithic duplexer and fabrication method thereof Oct. 7, 2008
7432780 Rectangular-to-circular mode power combiner/divider Oct. 7, 2008
7408427 Compact multi-frequency feed with/without tracking Aug. 5, 2008
7403085 RF module Jul. 22, 2008
7397325 Enhanced microwave multiplexing network Jul. 8, 2008
7351990 Analyzer magnet chamber liner Apr. 1, 2008
7332982 Waveguide diplexer of electric plane T-junction structure with resonant iris Feb. 19, 2008
7330088 Waveguide orthomode transducer Feb. 12, 2008
7321277 Waveguide directional filter Jan. 22, 2008
7304554 U-shaped microwave and millimeter wave resonator filter Dec. 4, 2007
7299534 Method of fabrication of low-loss filter and frequency multiplexer Nov. 27, 2007
7298232 Low-loss filter and frequency multiplexer Nov. 20, 2007
7272367 Multiband filter circuit and high-frequency transmitter Sep. 18, 2007
7256665 Apparatus and method for in-process high power variable power division Aug. 14, 2007
7218833 Wireless communication system and apparatus May. 15, 2007

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