Communication switching system common control

Claim 1

IN COMMUNICATING SWITCHING SYSTEM HAVING SWITCHING STAGES FOR EXTENDING CONNECTIONS BETWEEN CALLING AND CALLED LINES, AND HAVING COMMON TRANSLATING MEANS; REGISTER APPARATUS COMPRISING TIME MULTIPLEX SHARED EQUIPMENT AND A MEMORY IN A RECIRCULATING ARRANGEMENT CONTROLLED BY PULSES IN CYCLICALLY RECURRING TIME SLOTS, TO FORM A PLURALITY OF REGISTERS, EACH HAVING AN INDIVIDUAL TIME SLOT; A REGISTER TRANSCEIVER COMPRISING A SHIFT REGISTER, A SENDER, AND A RECEIVER; A SIGNALLING PATH INTERCONNECTING THE REGISTER TRANSCEIVER AND THE TRANSLATING MEANS; MEANS FOR INITIATING A REQUEST FOR TRANSFER CONDITION BY A GIVEN REGISTER, AND MEANS EFFECTIVE DURING THE TIME SLOT OF SAID REGISTER RESPONSIVE TO SAID REQUEST CONDITION AND THE TRANSCEIVER BEING IDLE FOR LOADING BITS OF INFORMATION INTO THE SHIFT REGISTER IN PARALLEL, AND SUPPLYING A REQUEST-FOR-SERVICE INDICATION TO THE TRANSLATOR, MEANS RESPONSIVE TO AN ACKNOWLEDEMENT OF THE REQUEST BY THE TRANSLATING MEANS TO SET THE REGISTER TRANSCEIVER TO A START TRANSMISSION CONDITION IN WHICH THE SENDER IS ACTUATED AND SHIFT SIGNALS ARE SUPPLIED TO SHIFT THE INFORMATION OUT OF THE SHIFT REGISTER AS SERIAL BINARY DIGITS TO MODULATE THE SENDER TO CAUSE IT TO TRANSMIT THE INFORMATION IN SERIAL BINARY FORM OVER THE THE SIGNALING PATH TO THE TRANSLATING MEANS, MEANS RESPONSIVE TO COMPLETION OF TRANSMISSION OF INFORMATION FROM THE REGISTER TRANSCEIVER TO CHANGE IT TO A RECEIVE MODE IN WHICH THE RECEIVER IS ACTUATED AND SHIFT SIGNALS ARE SUPPLIED TO THE SHIFT REGISTER; THE TRANSLATING MEANS HAVING AN ARRANGEMENT TO RECEIVE THE SERIAL BINARY INFORMATION FROM THE SIGNALING PATH, AN ARRANGEMENT TO TRANSLATE THE INFORMATION, AND AN ARRANGEMENT TO SEND THE TRANSLATED INFORMATION IN SERIAL BINARY FORM OVER THE SIGNALING PATH TO THE REGISTER TRANSCEIVER; THE TRANSLATED INFORMATION RECEIVED AT THE REGISTER TRANSCEIVER BEING DEMODULATED BY THE ACTUATED RECEIVER AND SHIFTED INTO THE SHIFT REGISTER; AND MEANS EFFECTIVE DURING THE NEXT TIME SLOT OF SAID GIVEN REGISTER FOR TRANSFERRING THE INFORMATION IN PARALLEL FROM THE SHIFT REGISTER INTO THE MEMORY.