Automatic telephone exchanges having a subscriber's memory

Claim 1

AN AUTOMATIC TELEPHONE EXCHANGE COMPRISING A PLURALITY OF SUBSCRIBERS SET, A PLURALITY OF FIRST STORAGE ELEMENTS HAVING READING, WRITING AND SIGNAL WIRE MEANS, MEANS COUPLING EACH SUBSCRIBERS SET TO THE WRITING WIRE MEANS OF A SEPARATE FIRST STORAGE ELEMENT WHEREBY THE OPEN AND CLOSED LOOP STATES OF SAID SUBSCRIBERS SETS ARE STORED IN THE RESPECTIVE FIRST STORAGE ELEMENTS, A PLURALITY OF SECOND STORAGE ELEMENTS CORRESPONDING TO EACH OF SAID FIRST STORAGE ELEMENTS, LOGICAL CIRCUIT MEANS, COUNTING CIRCUIT MEANS, SAID SECOND STORAGE ELEMENTS HAVING READING, WRITING AND SIGNAL WIRE MEANS, MEANS CONNECTING THE READING WIRE MEANS OF SAID FIRST AND SECOND STORAGE ELEMENTS TO SAID COUNTING CIRCUIT MEANS WHEREBY SAID FIRST STORAGE ELEMENTS ARE SEQUENTIALLY READ AND SAID SECOND STORAGE ELEMENTS ARE READ WITH THEIR CORRESPONDING FIRST STORAGE ELEMENTS, MEANS CONNECTING THE SIGNAL WIRE MEANS OF SAID FIRST AND SECOND STORAGE ELEMENTS TO SAID LOGICAL CIRCUIT MEANS, MEANS CONNECTING THE WRITING WIRE MEANS OF SAID SECOND STORAGE ELEMENTS TO SAID LOGICAL CIRCUIT MEANS, CONTROL MEANS CONNECTED TO SAID COUNTING CIRCUIT MEANS FOR INTERRUPTING THE SEQUENTIAL READING OF SAID FIRST STORAGE ELEMENTS AND THEIR CORRESPONDING SECOND STORAGE ELEMENTS AND FOR READING A SELECTED FIRST STORAGE ELEMENT AND ITS CORRESPONDING SECOND STORAGE ELEMENTS, MEANS CONNECTING SAID CONTROL MEANS TO SAID LOGICAL CIRCUIT MEANS, SAID LOGICAL CIRCUIT MEANS COMPRISING MEANS RESPONSIVE TO SIGNALS ON SAID SIGNAL WIRE MEANS OF SAID FIRST AND SECOND STORAGE ELEMENTS IN THE ABSENCE OF INTERRUPTION OF SEQUENTIAL READING OF SAID FIRST AND SECOND STORAGE ELEMENTS FOR APPLYING SIGNALS ACCORDING TO A FIRST PREDETERMINED PROGRAM TO SAID WRITING WIRE MEANS OF SAID SECOND STORAGE ELEMENTS, AND MEANS RESPONSIVE TO SIGNALS ON SAID SIGNAL WIRE MEANS OF SAID FIRST AND SECOND STORAGE ELEMENTS IN THE PRESENCE OF INTERRUPTION OF SEQUENTIAL READING OF SAID FIRST AND SECOND STORAGE ELEMENTS FOR APPLYING SIGNALS ACCORDING TO A SECOND PREDETERMINED PROGRAM DIFFERENT FROM SAID FIRST PREDETERMINED PROGRAM TO SAID WRITING WIRE MEANS OF SAID SECOND STORAGE ELEMENTS.