Register control for a cut-off mechanism

Claim 1

AN ELECTRONIC REGISTER CONTROL FOR A CUT-OFF MECHANISM WHEREBY SELECTIVE LENGTHS OF MATERIAL ARE SEVERED FROM A MOVING WEB, COMPRISING IN COMBINATION, DRIVING MEANS, ROTATABLE WEB CUTTING MEANS, A CUT-OFF REGISTER CONTROL PANEL, FIRST MEANS CONNECTED TO SAID CONTROL PANEL FOR DETECTING THE POSITION OF INTELLIGENCE PRINTED ON THE MOVING WEB, SECOND MEANS CONNECTED TO SAID CONTROL PANEL FOR INSTANTANEOUSLY DETECTING THE POSITION OF SAID WEB CUTTING MEANS, SAID FIRST AND SECOND MEANS GENERATING SIGNALS INDICATIVE OF THE RESPECTIVE DETECTED POSITION FOR TRANSMISSION TO SAID CONTROL PANEL, DIFFERENTIAL MEANS MECHANICALLY CONNECTED BETWEEN SAID DRIVING MEANS AND SAID WEB CUTTING MEANS, A UNDIRECTIONAL CORRECTION MOTOR HAVING A SPEED VARIABLE FROM A "BASE SPEED" AND BEING MECHANICALLY CONNECTED TO SAID DIFFERENTIAL MEANS, MEANS FOR CONTROLLING THE SPEED OF SAID MOTOR FROM SAID CONTROL PANEL, SAID DIFFERENTIAL MEANS OPERATING AT A 1 TO 1 RATIO WHENEVER SAID CORRECTION MOTOR OPERATES AT "BASE SPEED," A MECHANICAL VARIABLE SPEED DEVICE CONNECTED BETWEEN SAID DIFFERENTIAL MEANS AND SAID WEB CUTTING MEANS AND MEANS CONNECTED BETWEEN SAID VARIABLE SPEED DEVICE AND SAID WEB CUTTING MEANS FOR CHANGING THE RATE OF ROTATION OF THE LATTER SO THAT THE PERIPHERAL SPEED IS SUBSTANTIALLY WEB SPEED DURING CUTTING OF THE WEB.