Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/72
Name: Amplifiers > Anode energized through discharge path of controlled vacuum tube > Plural discharge paths traversed by anode supply > Amplifier devices in arms of a bridge
Description: Subject matter including two pairs of series energized tubes wherein one tube of each pair is supplied through its space discharge path with anode-cathode power supply current from the power supply source, and wherein each of the four vacuum tubes is arranged in the arms of a Wheatstone bridge.

Patents under this class:

Patent Number Title Of Patent Date Issued
7774509 Command conversion device and charging device for content reproduction device Aug. 10, 2010

  Recently Added Patents
Transferring a document
Wafer-level chip scale package
Reliable and accurate usage detection of a software application
Macrocyclic cysteine protease inhibitors and compositions thereof
Software self-checking systems and methods
Music composition automation including song structure
Categorizing bit errors of solid-state, non-volatile memory
  Randomly Featured Patents
Equipment for air distillation to produce argon
System and method for analyzing crosstalk occurring in a semiconductor integrated circuit
Expandable flowrate catheter assembly and method of making same
Data process apparatus and method therefor
Solvents and photoresist compositions for 193 nm imaging
Stepped piston and stepped piston engine
Method and apparatus for equalizing channel characteristics in a computer extension system
Internally plasticized polyvinyl halide compositions and articles prepared therefrom
Switching method in a multi-threaded processor
Power supply unit for electronic devices