CPC Subgroup
H01J 23/09 Electric systems for directing or deflecting the discharge along a desired path, e.g. E-type (focusing arrangements H01J23/08)
Full Title
Details of transit-time tubes of the types covered by group H01J25/00 > Electrodes; Magnetic control means; Screens (associated with resonator or delay system H01J23/16) > Electric systems for directing or deflecting the discharge along a desired path, e.g. E-type (focusing arrangements H01J23/08)