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
Liquid crystal display backlight control
Instance management of code in a database
Reducing voltage stress in a flyback converter design
Dynamic rebasing of persisted time information
Active gate drive circuit
Prevention and treatment of osteoarthritis
Low cost mesh network capability
  Randomly Featured Patents
Diagnostic expert system
Communication device having multiple displays and method of operating the same
Metal-made carrier body for exhaust gas cleaning catalyst
Fast model predictive ellipsoid control process
Air-steam-vapor expansion engine
Metal member having precious metal plating
Compact, modular tile architecture for limited field-of-view arrays
Time keeping and expense tracking server that interfaces with a user based upon a user's atomic abilities
Endoscope distal end with folded circuit board
Bicycle storage system