EP 3698521 A1 20200826 - GROUP COMMUNICATION SYSTEM
Title (en)
GROUP COMMUNICATION SYSTEM
Title (de)
GRUPPEN-KOMMUNIKATIONSSYSTEM
Title (fr)
SYSTÈME DE COMMUNICATION DE GROUPE
Publication
Application
Priority
- DE 102017124553 A 20171020
- EP 2018078152 W 20181016
Abstract (en)
[origin: WO2019076847A1] The invention relates to a method for operating a group communication system (GKS) comprising at least three communication devices (K1, K2, K3), preferably a multiplicity of communication devices (Kx - Kz), wherein the communication devices (K1, K2, K3, Kx - Kz) communicate in at least one radio network, wherein each communication device provides a communication channel at least for the transmission of a sound, in particular voice, signal, characterized in that direct communication by all devices among one another is effected by means of at least one radio connection for the devices among one another at the same time, and each communication channel provides bidirectional signal transmission, in particular speaking and listening.
IPC 8 full level
H04L 12/18 (2006.01); H04M 3/56 (2006.01)
CPC (source: EP)
H04L 12/189 (2013.01); H04W 4/06 (2013.01); H04M 3/561 (2013.01)
Citation (search report)
See references of WO 2019076847A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2019076847 A1 20190425; DE 102017124553 A1 20190425; EP 3698521 A1 20200826
DOCDB simple family (application)
EP 2018078152 W 20181016; DE 102017124553 A 20171020; EP 18789086 A 20181016