Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G01R 27/30

with provision for recording characteristics, e.g. by plotting Nyquist diagram

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom > Measuring attenuation, gain, phase shift, or derived characteristics of electric four-pole networks, i.e. two-port networks; Measuring transient response > with provision for recording characteristics, e.g. by plotting Nyquist diagram

CPC:

Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom > Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response (in line transmission systems H04B3/46) > with provision for recording characteristics, e.g. by plotting Nyquist diagram

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