DIFF Subgroup Additional Only
H03K 2217/941 using an optical detector
Full Title
Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 > characterised by the way in which the control signal is generated > using an optical detector
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.