Inventor
LEUTNER KLAUS
DE3 patents
Patents
3 patentsUS4802205AJan 31, 1989
Circuit arrangement for telecommunications switching systems, particularly for telephone switching systems comprising information-processing sequential logic systems and traffic measuring devices
SIEMENS AG3 citations60
US5600639AFeb 4, 1997
Broadcast method for simultaneous switching of an announcement to a plurality of subscribers of a communication system
SIEMENS AG3 citations55
US6577710B1Jun 10, 2003
Method for checking a switching center, line unit and switching center for implementing the method, as well as an appertaining computer program
SIEMENS AG2 citations51