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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
7230192 Plug connector for cable television network and method of use Jun. 12, 2007
7224243 Power line coupling device and method of using the same May. 29, 2007
7205865 Power divider and combiner in communication system Apr. 17, 2007
7196595 Multilayer diplexer Mar. 27, 2007
7167378 Circuit board transmitting high frequency signal Jan. 23, 2007
7167687 Switch circuit and composite high-frequency part Jan. 23, 2007
7135943 Diplexer formed in multi-layered substrate Nov. 14, 2006
7135649 Plug connector for cable television network and method of use Nov. 14, 2006
7116185 Balun Oct. 3, 2006
7109822 Method and apparatus for rapid prototyping of monolithic microwave integrated circuits Sep. 19, 2006
7098737 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this am Aug. 29, 2006
7086078 CATV directional component with signal reversing capability and method Aug. 1, 2006
7061343 Method and apparatus for rapid prototyping of monolithic microwave integrated circuits Jun. 13, 2006
7030715 High-frequency semiconductor device Apr. 18, 2006
7009466 Fault-tolerant power combining system Mar. 7, 2006
7005939 Input/output circuit with on-chip inductor to reduce parasitic capacitance Feb. 28, 2006
6989721 Adaptive controller and adaptive control method that can adaptively control a plurality of variable high frequency devices at high speed Jan. 24, 2006
6987430 Power line communication system and power line branching apparatus Jan. 17, 2006
6980776 Transceiver apparatus Dec. 27, 2005
6973330 Optimized two-sided wireless modem card component placement Dec. 6, 2005
6969278 Directly connectable cable television splitters/amplifier Nov. 29, 2005
6943643 Controllable two-phase network with amplitude compensation Sep. 13, 2005
6937111 Device and system having self-terminated driver and active terminator for high speed interface Aug. 30, 2005
6922116 Generating arbitrary passive beam forming networks Jul. 26, 2005
6888078 Plug connector for cable television network and method of use May. 3, 2005
6879220 Switchless combining of multi-carrier coherent and incoherent carriers Apr. 12, 2005
6873828 Compound semiconductor switching device for high frequency switching Mar. 29, 2005
6847829 Multiband high-frequency switch Jan. 25, 2005
6831527 Insertion box Dec. 14, 2004
6828874 Signal combiner Dec. 7, 2004
6790049 Mechanical case for housing electronic products with integrated connector Sep. 14, 2004
6766149 Mobile radio terminal and surface acoustic wave antenna duplexer Jul. 20, 2004
6765479 Magnetic field based power transmission line communication method and system Jul. 20, 2004
6720841 Plug connector for cable television network and method of use Apr. 13, 2004
6650200 Dynamic combiner/splitter for RF signal systems Nov. 18, 2003
6614326 Power-line coupler having a circuit breaker form or a panelboard employing the same Sep. 2, 2003
6593830 Non-interruptible tap Jul. 15, 2003
6580336 Method and apparatus for providing uninterrupted service in a hybrid fiber coaxial system Jun. 17, 2003
6578202 Signal splitter for cable TV Jun. 10, 2003
6563420 Power line communications apparatus and method May. 13, 2003
6545562 Plug connector for cable television network and method of use Apr. 8, 2003
6480701 Composite filter, duplexer and communication apparatus Nov. 12, 2002
6442379 Radio apparatus and method having a d.c. component signal superposed on a transmission-signal Aug. 27, 2002
6437660 Method of increasing bus performance to reduce signal propagation delay and achieve incident wave switching Aug. 20, 2002
6430742 Device for distributing television signals by cable Aug. 6, 2002
6426682 Transceiver unit for a first and second transmitting/receiving frequency Jul. 30, 2002
6369718 Oil well monitoring and control system communication network Apr. 9, 2002
6314481 Resistance integrated coupler between databus and terminal device having databus windings with high resistance wire with resistance being 1.5 times databus cable nominal characteristic impedan Nov. 6, 2001
6294846 Bypass device for amplifier Sep. 25, 2001
6262636 Apparatus for reversing direction of signal flow in a broadband signal tap Jul. 17, 2001

1 2 3 4










 
 
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