IPC Definitions - January 01, 2012

H04M 11/00 - Definition fr

Definition statement

This main group covers:

Telephonic communication systems adapted for combination with other electrical systems e.g. combinations with application servers or physical implementation of xDSL-systems.

Informative references

Attention is drawn to the following places, which may be of interest for search:

Signalling or calling systems not related to signalling or calling in telephonic communications (i.e. not related to the control of telecommunication networks); Order telegraphs; Alarm systems

G08B

Transmission of digital information

H04L