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Browse by Category: Main > Electrical & Energy
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
7132907 Frequency-separator waveguide module with double circular polarization Nov. 7, 2006
7085122 MEMS tunable capacitor based on angular vertical comb drives Aug. 1, 2006
7078985 Device for separating transmission and reception signals of different polarizations Jul. 18, 2006
7042315 Device for filtering electromagnetic waves May. 9, 2006
7019706 High frequency module and antenna device Mar. 28, 2006
6975179 Apparatus and method for in-process high power variable power division Dec. 13, 2005
6963253 Broadband high precision circular polarizers and retarders in waveguides Nov. 8, 2005
6917260 Waveguide directional filter Jul. 12, 2005
6847270 Waveguide group branching filter Jan. 25, 2005
6842085 Orthomode transducer having improved cross-polarization suppression and method of manufacture Jan. 11, 2005
6741143 Apparatus and method for in-process high power variable power division May. 25, 2004
6731185 Surface acoustic wave device and communication apparatus May. 4, 2004
6727776 Device for propagating radio frequency signals in planar circuits Apr. 27, 2004
6714096 Waveguide directional filter Mar. 30, 2004
6710678 Waveguide type duplex filter Mar. 23, 2004
6700548 Dual band antenna feed using an embedded waveguide structure Mar. 2, 2004
6693497 Device for converting circularly oscillating electromagnetic radiation beams into linearly oscillating radiation beams Feb. 17, 2004
6683513 Electronically tunable RF diplexers tuned by tunable capacitors Jan. 27, 2004
6661309 Multiple-channel feed network Dec. 9, 2003
6624715 Ultrawide-band linear-circular polarization converter Sep. 23, 2003
6617944 Injector device for a microwave filter unit using dielectric resonators, and a filter unit including the device Sep. 9, 2003
6600387 Multi-port multi-band transceiver interface assembly Jul. 29, 2003
6583683 Device for rotating the polarization of an electromagnetic wave at the exit from a waveguide, and a corresponding system Jun. 24, 2003
6573808 Millimeter wave front end Jun. 3, 2003
6573810 Device for transmitting electromagnetic signals across a structure including modules organized for two-for-one redundancy Jun. 3, 2003
6549106 Waveguide with adjustable backshort Apr. 15, 2003
6529098 Transmitting and receiving apparatus for satellite communication via dual-polarized signals Mar. 4, 2003
6522215 Converter for receiving satellite signal with dual frequency band Feb. 18, 2003
6507251 Dual-mode band-pass filter Jan. 14, 2003
6507252 High rejection evanescent MIC multiplexers for multifunctional systems Jan. 14, 2003
6472951 Microwave multiplexer with manifold spacing adjustment Oct. 29, 2002
6417742 Circular polarizer having two waveguides formed with coaxial structure Jul. 9, 2002
6404300 Microwave module for separating high frequency transmission signals and high frequency reception signals on the basis of their frequencies Jun. 11, 2002
6388635 Feeder horn, intended especially for two-way satellite communication May. 14, 2002
6388537 Antenna feeding system May. 14, 2002
6331809 Nonradiative dielectric waveguide resonator, nonradiative dielectric waveguide filter, duplexer and transceiver incorporating the same Dec. 18, 2001
6297714 Device for transmission and/or reception of signals Oct. 2, 2001
6281764 Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof Aug. 28, 2001
6211750 Coaxial waveguide feed with reduced outer diameter Apr. 3, 2001
6201949 Multiplexer/demultiplexer structures and methods Mar. 13, 2001
6191670 Low-loss duplexer without settings Feb. 20, 2001
6191664 Microwave multiplexer with tunable manifold and method of adjustment Feb. 20, 2001
6181222 Polarizer for two different frequency bands Jan. 30, 2001
6177854 Dielectric resonator device Jan. 23, 2001
6166699 Antenna source for transmitting and receiving microwaves Dec. 26, 2000
6150899 Polarizer for two different frequency bands Nov. 21, 2000
6131386 Single mode resonant cavity Oct. 17, 2000
6133808 Dielectric filter having input/output electrodes connected to electrodes on a substrate, and dielectric duplexer incorporating the dielectric filter Oct. 17, 2000
6107897 Orthogonal mode junction (OMJ) for use in antenna system Aug. 22, 2000
6087908 Planar ortho-mode transducer Jul. 11, 2000

1 2 3 4










 
 
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