using conversion of AC into DC

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Arrangements for measuring currents or voltages or for indicating presence or sign thereof > using conversion of AC into DC

CPC:

Arrangements for measuring currents or voltages or for indicating presence or sign thereof (G01R5/00 takes precedence; for measuring bioelectric currents or voltages A61B5/24) > using conversion of AC into DC

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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G01R 19/225 CPC only CPC only
G01R 2019/24 2nd only CPC only CPC only