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Class Information
Number: 330/192
Name: Amplifiers > Output networks
Description: Subject matter involving significant detail or distinctive characteristics of the electrical circuit coupling the output signal from the amplifying device to a load for utilizing such signal; or involving electrical characteristics or vacuum tube parameters such as output impedance of the amplifying device or impedance of the load involved in such coupling.










Sub-classes under this class:

Class Number Class Name Patents
330/198 D.c. coupled 0
330/193 From cathode 2
330/195 Transformer coupled 71


Patents under this class:

Patent Number Title Of Patent Date Issued
8054128 Current control mechanism for low voltage applications Nov. 8, 2011
7825731 RF amplifying device Nov. 2, 2010
7583140 Output circuit of vacuum-tube amplifier Sep. 1, 2009
7583141 Output circuit of vacuum-tube amplifier Sep. 1, 2009
7576619 Integrated circuit arrangement Aug. 18, 2009
7355475 Output circuit of vacuum-tube amplifier Apr. 8, 2008
7202734 Electronically tuned power amplifier Apr. 10, 2007
7080185 Bus control device altering drive capability according to condition Jul. 18, 2006
4718100 High current demand cable Jan. 5, 1988
4048578 R.F. amplifier circuit Sep. 13, 1977











 
 
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