Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H03K 17/88

By the use, as active elements, of beam-deflection tubes

Introduced: September 1968

Title

Titles differ between systems:

IPC: by the use, as active elements, of beam-deflection tubes

CPC: By the use, as active elements, of beam-deflection tubes

Full Title

Full titles differ between systems:

IPC:

Electronic switching or gating, i.e. not by contact-making and -breaking > characterised by the use of specified components > by the use, as active elements, of beam-deflection tubes

CPC:

Electronic switching or gating, i.e. not by contact-making and –breaking (gated amplifiers H03F3/72; switching arrangements for exchange systems using static devices H04Q3/52) > characterised by the components used (H03K17/04 - H03K17/30, H03K17/94 take precedence) > By the use, as active elements, of beam-deflection tubes

No child classifications to compare. This is a leaf node in both IPC and CPC.