CPC Subgroup
H03D 1/28 by deflecting an electron beam in a discharge tube (H03D1/26 takes precedence)
Full Title
Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) > by deflecting an electron beam in a discharge tube (H03D1/26 takes precedence)