Pre-pay or subscription radio or television operations

Claim 1

IN A SIGNALLING SYSTEM, A SENDING STATION FOR THE TRANSMISSION OF SIGNALS TRANSLATABLE TO PRODUCE A PROGRAM OF INTELLIGENCE, AND A PLURALITY OF RECEIVING STATIONS EACH OF WHICH INCLUDES MEANS CONSTITUTED TO RECEIVE SIGNALS TO TRANSMITTED BY THE SENDING STATION AND TRANSLATE TO THE USER OF SUCH RECEIVING STATION SAID SIGNALS, WHICH SIGNALS WHEN TRANSLATED PRODUCE TO THE USER A FIRST INTELLIGIBLE TRANSLATION OF SAID PROGRAM, SAID RECEIVING MEANS INCLUDING MEANS IN A CONTROL STATION REMOTE FROM SAID RECEIVING STATION, CONSTITUTED TO CAUSE SUCH RECEIVING STATION TO RECEIVE AND TRANSLATE TO THE USER, THE SIGNALS WHICH WHEN TRANSLATED BY THE RECEIVING STATION PRODUCE TO THE USER A SECOND AND DIFFERENT QUALITY INTELLIGIBLE TRANSLATION OF SAID SAME PROGRAM, SAID CONTROL STATION INCLUDIG MEANS TO MAKE OPERATIVE, OR INOPERATIVE THE MEANS WHICH IS CONSTITUTED TO CAUSE SUCH RECEIVING STATION TO RECEIVE AND TRANSLATE TO THE USER OF SUCH RECEIVING STATION SAID PROGRAM OF DIFFERENT QUALITY; WHEREIN THE CONTROL STATION INCLUDES MEANS CONSTITUTED TO CAUSE SELECTED RECEIVING STATIONS TO RECEIVE AND TRANSLATE TO THE USERS OF SUCH RECEIVING STATIONS, THE SIGNALS WHICH WHEN TRANSLATED BY THE RECEIVING STATIONS SO SELECTED PRODUCE TO THE USERS OF SAID SELECTED RECEIVING STATIONS A SECOND AND DIFFERENT QUALITY INTELLIGIBLE TRANSLATION OF SAID PROGRAM, SAID CONTRROL STATION INCLUDING MEANS CORRESPONDING TO EACH SUCH SELECTED RECEIVNG STATION, TO MAKE OPERATIVE OR INOPERATIVE THE MEANS WHICH IS CONSTITUTED TO CAUSE EACH SUCH RECEIVING STATION TO RECEIVE AND TRANSLATE TO THE USER OF SUCH STATION, SAID SAME PROGRAM OF DIFFERENT QUALITY.