Time division multiplex switches

Claim 1

An automatic telecommunication exchange in which communication connections are set uP in time division multiplex (TDM) manner, comprising an exchange serving at least one individual subscriber''s lines, a plurality of TDM highways incoming to the exchange, a plurality of message storage means, one coupled to each of said incoming TDM highways, each of said message storage means including a storage portion individual to each time division channel on its associated incoming highway, each of said incoming highways including connections to a plurality of its associated storage portions by manually disconnectable means, a line accommodated by connection via manually disconnectable means to one of said plurality of associated storage portions, said manually disconnectable means including connections for connecting said one associated storage portion to one of said incoming TDM highways, means applying intelligence from a subscriber''s line to its associated storage means where it is simultaneously demultiplexed and stored and where its time position in a TDM cycle is the time position for the storage position to which that line is connected, and switching means provided to connect said message storage means to one of a plurality of outgoing TDM highways to provide for crossexchange switching.