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DIFF Subgroup
H03K 17/18

Modifications for indicating state of switch

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Electronic switching or gating, i.e. not by contact-making and -breaking > Modifications for indicating state of switch

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) > Modifications for indicating state of switch

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