Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/111
Name: Amplifiers > Signal feedback > To or from an auxiliary grid or to the anode
Description: Subject matter wherein the amplifying device or devices involved are of the vacuum tube type and wherein the signal feedback is derived from an electrode thereof other than the anode or cathode and/or is applied to an electrode thereof other than the cathode or control grid.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Method and system for checking citations
Secure device sharing
Control apparatus and control method
TC-83-derived alphavirus vectors, particles and methods
Buffering stop structure and corresponding packing case
Shape based similarity of continuous wave doppler images
Disk drive to enable defect margining
  Randomly Featured Patents
LCD monitor
Telephone handset sanitary guard
Electrical connector for circuit board
Immersion ultrasonic test part holder, system and method for nondestructive evaluation
Preparative electrophoresis device and method
Door-opening device in a vehicle sliding door
Communication method and device for preventing media stream circuitry
Automotive wheel
Hand cart for spools of cable and wire
Coating fluid drying apparatus