DIFF Subgroup
H04B 17/23 Indication means, e.g. displays, alarms, audible means
Introduced: January 2015
Title
Titles differ between systems:
IPC: Indication means, e.g. displays, alarms or audible means
CPC: Indication means, e.g. displays, alarms, audible means
Full Title
Full titles differ between systems:
IPC:
Monitoring; Testing > of receivers > Indication means, e.g. displays, alarms or audible means
CPC:
Monitoring; Testing (of line transmission systems H04B3/46; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves H04B10/07) > of receivers > Indication means, e.g. displays, alarms, audible means
No child classifications to compare. This is a leaf node in both IPC and CPC.