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
Vehicle driving assistance apparatus
Visual model importation
Light-emitting device with a spacer at bottom surface
Plasma doping method and plasma doping apparatus
Method of producing probabilities of being a template shape
Switching apparatus and controlling method thereof
Selecting one of a plurality of print modes based on pixel coverage of a document
  Randomly Featured Patents
Multibeam laser light source with variable light source spacing for setting images on printing forms
Rotary encoder having a plurality of patterns with different cycles
Photo album for storing pictures and APS film cartridges
Projection head lamp for cars
Aromatic polyimide compositions of high solubility and their uses
Process for forming a groove in a friction layer
Unitized rotary rock bit
Hydrolysis of the galactomannans of coffee extract with immobilized beta-mannanase
Method and apparatus to remove obstructions from sewers without cutters or chemicals
Underwater audio intercommunication system