Inventors:
Alan V. Hall - Wappingers Falls NY
Ollie C. Woodard - Poughkeepsie NY
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
H01J 3730, H05B 702
Abstract:
circuit for controlling the electron discharge from a cathode, of an electron discharge device, which provides a control voltage signal, proportional to the cathode current, for comparison with a reference value to provide a correction bias to a grid interposed between the cathode and an anode.