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Class Information
Number: 333/100
Name: Wave transmission lines and networks > Plural channel systems > Having branched circuits
Description: Systems including means for effecting an interchange of wave energy from one transmission line to two or more transmission lines, or vice versa, or having a coupling network for effecting an interchange of wave energy from a single input to plural outputs, or vice versa, of energy together with means for controlling or facilitating this interchange of energy.










Sub-classes under this class:

Class Number Class Name Patents
333/132 For providing frequency separation 313
333/117 Including hybrid-type network 183
333/136 Including long line element 211
333/101 Including switching means 380
333/109 Using directional coupler 314
333/124 With impedance matching 198


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8570115 Power division network device Oct. 29, 2013
8482364 Differential cross-coupled power combiner or divider Jul. 9, 2013
8373521 Planar structure microwave signal multi-distributor Feb. 12, 2013
8346189 Power amplifier architectures Jan. 1, 2013
8319583 Multi-layer radial power divider/combiner Nov. 27, 2012
8295774 Methods and apparatuses for providing a stable wideband noise signal Oct. 23, 2012
8269573 Cable strand for activating ejection valves Sep. 18, 2012
8265571 Circuit arrangement with improved decoupling Sep. 11, 2012
8135357 Integrated transmitter/receiver switch with impedance matching network Mar. 13, 2012
8131226 Multi-band-high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same Mar. 6, 2012
8035459 Wideband divider Oct. 11, 2011
7982146 Plug connector for cable television network and method of use Jul. 19, 2011
7962105 RF power module Jun. 14, 2011
7937063 Method and system for configuring a tower top low noise amplifier May. 3, 2011
7915960 Multi-primary distributed active transformer amplifier power supply and control Mar. 29, 2011
7885614 Antenna switch with adaptive filter Feb. 8, 2011
7876174 Power line coupling device and method Jan. 25, 2011
7848712 CMOS RF switch for high-performance radio systems Dec. 7, 2010
7831213 Method and system for configuring a tower top low noise amplifier Nov. 9, 2010
7807935 High-frequency uninterruptible signal and power bypass Oct. 5, 2010
7795994 Power line coupling device and method Sep. 14, 2010
7777595 Multi-channel filter assemblies Aug. 17, 2010
7777590 HF socket Aug. 17, 2010
7777589 Balun transformer Aug. 17, 2010
7760025 Multi-primary distributed active transformer amplifier power supply and control Jul. 20, 2010
7738653 Method for selecting impedance setting for loop start trunk line Jun. 15, 2010
7710218 Variable power coupling device May. 4, 2010
7706756 RF power module Apr. 27, 2010
7701309 Power inserter module Apr. 20, 2010
7702296 Transmit/receive switch Apr. 20, 2010
7669323 Method for electrically connecting a stinger into a network node Mar. 2, 2010
7646262 High speed wideband differential signal distribution Jan. 12, 2010
7577983 Cable television reverse amplifier Aug. 18, 2009
7573353 Circuit topology for multiple loads Aug. 11, 2009
7563996 Plug connector for cable television network and method of use Jul. 21, 2009
7546091 High-frequency circuit and high-frequency device Jun. 9, 2009
7546096 Frequency up-conversion using a harmonic generation and extraction module Jun. 9, 2009
7512383 Transmit-receive switching in wireless hearing aids Mar. 31, 2009
7492239 Radio frequency combiner Feb. 17, 2009
7471153 Multi-primary distributed active transformer amplifier power supply and control Dec. 30, 2008
7408426 Method and device for transmission without crosstalk Aug. 5, 2008
7378921 Coupling arrangement for RF-based differential signal transmission May. 27, 2008
7373171 Front end module May. 13, 2008
7342467 Variable power coupling device Mar. 11, 2008
7317365 Bandpass filter having parallel signal paths Jan. 8, 2008
7307493 Broadband 180.degree. degree hybrid microwave planar transformer Dec. 11, 2007
7268644 Antenna connection device, antenna signal splitter and method for reception frequency control Sep. 11, 2007
7259642 Antenna control unit and phased-array antenna Aug. 21, 2007
7253701 Multiplexed amplifier Aug. 7, 2007
7239215 Multicell amplifier and power divider/combiner employable in same Jul. 3, 2007

1 2 3 4










 
 
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