IPC Subgroup
G01R 19/22 using conversion of AC into DC
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for measuring currents or voltages or for indicating presence or sign thereof > using conversion of AC into DC
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES