Magnetic storage repertory dialer

Claim 1

IN COMBINATION, AN INTEGRAL ASSEMBLY COMPRISING A TELEPHONE SET, DIALING MEAMS, REPERTORY MULTIPLE-CHANNEL STORAGE MEANS, FIRST INCLUDING A FIRST SET OF SIGNAL CONTACTS RESPONSIVE TO SAID DIALING MEANS FOR GENERATING SIGNALS TO BE RECORDED BY SAID REPERTORY MEANS, SECOND MEANS INCLUDING A SECOND SET OF SIGNAL CONTACTS RESPONSIVE TO SAID DIALING MEANS FOR GENERATING SIGNALS TO BE APPLIED DIRECTLY TO A TELEPHONE LINE, MEANS FOR SELECTING ANY ONE OF THREE OPERATIONAL MODES, EACH OF SAID MODES BEING DEFINED, RESPECTIVELY, BY THE OPERATION OF SAID FIRST MEANS, BY THE OPERATION OF SAID SECOND MEANS AND BY THE COMBINED OPERATION OF SAID FIRST AND SECOND MEANS, SAID STORAGE MEANS COMPRISING A MAGNETIC DRUM, A COMBINATION REPRODUCE-RECORD-ERASE HEAD MOUNTED FOR LATERAL MOVEMENT ALONG SAID DRUM THEREBY TO ALIGN A SELECTIVE ONE OF SAID CHANNELS, MEANS INCLUDING A MOTOR FOR ROTATING SAID DRUM THEREBY TO EXPOSE SUCCESSIVE PORTIONS OF A SELECTIVE ONE OF SAID CHANNELS TO SAID HEAD, AND MEANS INCLUDING A FIRST SET OF CONTACTS RESPONSIVE, TO THE RELEASE OF SAID DIAL FROM A PRESELECTED OFF-NORMAL POSITION REPRESENTATIVE OF A DIALED DIGIT FOR INITIATING THE OPERATION OF SAID ROTATING MEANS, THEREBY ENSURING POSITIVE CONTROL OVER THE ELAPSED TIME BETWEEN THE INCEPTION OF ROTATION OF SAID DRUM AND THE INCEPTION OF RECORDING ON SAID DRUM.