Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/161
Name: Amplifiers > Interstage coupling > Coupling to plate or auxiliary grid > D.c. coupling
Description: Subject matter wherein the coupling has a D.C. conductive path for signal current from the output electrode of the preceding amplifying device to the input, electrode of the following of the two cascaded vacuum tube amplifying devices.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Light-emitting device
Light powered hearing aid
Method of reducing acetaldehyde in polyesters, and polyesters therefrom
Flip-chip mounting resin composition and bump forming resin composition
Systems and methods for providing television signals using a network interface device
Method and system for checking citations
Data processing circuit with arbitration between a plurality of queues
  Randomly Featured Patents
Hip implant assembly
Cone crusher
Strengthening of a welding seam
Photographic modifier method and apparatus for graphics and the like
System and method for delivery of content by a network based upon a predefined condition
Path metric difference computation unit for computing path differences through a multiple-step trellis
Cadherin derived growth factor and its use
Polyester-amide resin
Carrier and its use in the preparation of samples for spectroscopy
Broad band antennas