Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/191
Name: Amplifiers > Input networks > D.c. coupled
Description: Subject matter wherein the input coupling circuit has a D.C. conductive path from the signal input source to the signal input electrode of the amplifying device.

Patents under this class:

Patent Number Title Of Patent Date Issued
6586993 Impedance matching low noise amplifier having a bypass switch Jul. 1, 2003
5404113 High efficiency power amplifier Apr. 4, 1995

  Recently Added Patents
Transfer device and image forming apparatus including regulation member
System and method for detecting malicious code executed by virtual machine
Assay for the diagnosis of flaviviral infection using antibodies with high affinity for NS1 protein of flavivirusi in hexameric form
Inter-carrier communications for multimedia-message delivery
Polyester resin for toner, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming met
Method and apparatus for image sensor packaging
Lubricant composition
  Randomly Featured Patents
Optical device and movable reflector
Semiconductor device having nanowire contact structures and method for its fabrication
Ellipsoid-conic radiation collector and method
Enhanced dibit extraction
Dissolved solid analyzer
Foil-blowing apparatus with improved cooling
Process for upgrading an oligomerization product
Display control circuit, display control method, and liquid crystal display device
Conveying apparatus for paper products, in particular in stream form
Phase shifting overlay mark that measures exposure energy and focus