Recirculating binary data rate converter

Claim 1

APPARATUS COMPRISING FIRST AND SECOND MUTUALLY EXCLUSIVE PORTIONS OF A SINGLE TRACK OF A MAGNETIC DRUM, SAID PORTIONS BEING MUTUALLY EXCLUSIVE IN THE SENSE THAT THERE IS NO PART OF SAID DRUM THAT IS SHARED IN COMMON BY BOTH PORTIONS, EACH PORTION BEING DEFINED BY THE DISTANCE SEPARATING A RESPECTIVE PAIR OF READING AND WRITING HEADS DISPLACED ALONG SAID DRUM TRACK, MEANS FOR ROTATING SAID DRUM TRACK RELATIVE TO SAID HEADS, FIRST ACTUABLE MEANS FOR CONNECTING WHEN ACTUATED THE WRITING HEAD OF SAID FIRST PORTION TO THE READING HEAD THEREOF WHEREBY TO FORM A FIRST RECIRCULATING STORAGE MEANS, SECOND ACTUABLE MEANS FOR CONNECTING WHEN ACTUATED THE WRITING HEAD OF SAID SECOND PORTION SOLELY TO THE READING HEAD THEREOF WHEREBY TO FORM A SECOND RECIRCULATING STORAGE MEANS, A SOURCE OF DIGITAL DATA SIGNALS, MEANS FOR SELECTIVELY CONNECTING SAID SOURCE TO THE WRITING HEAD OF SAID FIRST PORTION, FIRST MEANS FOR ACTUATING SAID SELECTIVELY CONNECTING MEANS AND SAID FIRST ACTUABLE MEANS AT MUTUALLY EXCLUSIVE TIMES, AND SECOND MEANS FOR SELECTIVELY DEACTUATING SAID SECOND ACTUABLE MEANS WHEREBY TO DEENERGIZE THE WRITING HEAD OF SAID SECOND PORTION AND PERMIT THE FLOW OF DIGITAL DATA SIGNALS FROM SAID FIRST PORTION TO SAID SECOND PORTION VIA SAID SINGLE TRACK OF SAID MAGNETIC DRUM.