Ultra-short LoBi electron gun for very short cathode ray tubes
Ultrafast sampling oscilloscope
Uni-bipotential symmetrical beam in-line electron gun
Uniformity correction signal generating apparatus for display im
Unipotential electron gun for short cathode ray tubes
Unipotential lens assembly for charged particle beam tubes and m
Upper and lower distortion correcting circuit by modes
User controlled deflection apparatus for correcting upper and lo