Inventor
NAGLER WERNER
DE15 patents
Patents
15 patentsUS5043978AAug 27, 1991
Circuit arrangement for telecommunications exchanges
SIEMENS AG86 citations94
US5210755AMay 11, 1993
Circuit arrangement for clock regeneration in clock-controlled information processing systems
SIEMENS AG26 citations92
US5146474ASep 8, 1992
Circuit arrangement for the routine testing of an interface between line terminator groups and the switching matrix network of a PCM telecommunication switching system
SIEMENS AG51 citations89
US5138608AAug 11, 1992
Circuit arrangement for testing parts of a digital time-division telecommunication switching center, particularly a telephone switching center
SIEMENS AG35 citations86
US5426420AJun 20, 1995
Method for alternate circuiting of data stream
SIEMENS AG13 citations73
US5146453ASep 8, 1992
Circuit configuration for clock-controlled time division multiplex telecommunications switching installations
SIEMENS AG20 citations72
US5014264AMay 7, 1991
Circuit configuration for telecommunication switching systems, in particular PCM time division multiplex telephone switching systems with a central switching network and peripheral sub-switching networks connected to it
SIEMENS AG9 citations69
US5414695AMay 9, 1995
Method for monitoring existing telephone connections, particularly permanently switched telephone connections
SIEMENS AG8 citations68
US4605824AAug 12, 1986
Circuit arrangement for telecommunication exchange systems, particularly telephone exchange systems with switch facilities for emitting signals
SIEMENS AG9 citations68
US5081666AJan 14, 1992
Method for measuring the bit error rate in the transmission of digital information
SIEMENS AG8 citations65
US4562308ADec 31, 1985
Subscriber connection circuit comprising feed resistors which can be bridged in low-ohmic fashion and an indication circuit which effects different indications
SIEMENS AG7 citations65
US5440539AAug 8, 1995
Method of controlling an electrical switching device in response to a signal configuration of a switching signal
SIEMENS AG3 citations62
US5404449AApr 4, 1995
Interface module for supporting communication between processor systems
SIEMENS AG5 citations59
US5079761AJan 7, 1992
Circuit arrangement for a centrally-controlled, time-division multiplex telephone switching system having a central switching matrix network and decentralized terminal groups
SIEMENS AG4 citations57
US5099498AMar 24, 1992
Method for suppressing quantization noises superimposed on a sinusoidal audible tone transmitted in a digital telecommunications exchange system
SIEMENS AG1 citations50