Improvements in and relating to devices for supplying current to thermionic valves

  • Inventors:
  • Assignees: Pierre Bruynseraede
  • Publication Date: June 20, 1929
  • Publication Number: GB-313722-A


313,722. Bruynseraede, P. May 17,. 1928. Supplying and controlling consuming devices.. -A mains supply unit of the kind comprising a potentiometer d, e, f, connected across the supply leads for giving grid bias, anode and filament voltages is constructed to carry about half an ampere, the filament tapping being shunted by a rheostat h for maintaining the current constant, so that valves having their filaments connected in parallel can be fed from the eliminator without subsequent adjustment of grid bias voltages.




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