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PCE
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DIFF Subgroup
G01R 15/22

using light-emitting devices, e.g. LED, optocouplers

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Details of measuring arrangements of the types provided for in groups , or > Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks > using light-emitting devices, e.g. LED, optocouplers

CPC:

Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00 > Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks > using light-emitting devices, e.g. LED, optocouplers

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