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PCE
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DIFF Subgroup
H04B 17/20

of receivers

Introduced: January 2015

Full Title

Full titles differ between systems:

IPC:

Monitoring; Testing > of receivers

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

Of 8 combined children, 6 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2015.

Child Classifications

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  • H04B 17/23 Indication means, e.g. displays, alarms, audible means since 2015 IPC+CPC Available in IPC and CPC
  • H04B 17/24 with feedback of measurements to the transmitter since 2015 IPC+CPC Available in IPC and CPC
  • H04B 17/26 using historical data, averaging values or statistics since 2015 IPC+CPC Available in IPC and CPC
  • H04B 17/27 for locating or positioning the transmitter since 2015 IPC+CPC Available in IPC and CPC