Channel switching network

Channel switching system

Check authorization system

Circuit and method for providing simultaneous transmission...

Circuit and method for selecting a circuit module

Circuit arrangement containing wire matrix for signal transmissi

Circuit arrangement for centrally-controlled telecommunication e

Circuit arrangement for connecting a subscriber to a bus line vi

Circuit arrangement for controlled interconnection of signal sou

Circuit arrangement for PCM telecommunication facilities

Circuit arrangement for storing signal values

Circuit arrangement for telecommunications systems, particularly

Circuit arrangement for telecommunications systems, particularly

Circuit arrangement for the electronic code locking of locks

Circuit employing intercoupled state machines for transmitting a

Circuit for addressing a set of registers in a switching exchang

Circuit for connecting a process computer by means of a number o

Circuit for measuring pulse width of remote control signal

Circuit for monitoring the frequency of signal for controlling c

Circuit for switching a protection line between a common section