Character position detection and correction system

Claim 1

IN A SYSTEM FOR INDIVIDUALLY SCANNING SUCCESSIVE CHARACTERS OF A LINE OF PRINT, MEANS FOR MAINTAINING REGISTRATION BETWEEN THE SCANNING RASTER AND THE INDIVIDUAL CHARACTERS OF THE LINE OF PRINT COMPRISING, SCANNING MEANS INCLUDING A MOVABLE SCANNING ELEMENT FOR SCANNING A CHARACTER OF SAID LINE ALONG A PRESELECTED RASTER TO GENERATE SIGNALS REPRESENTATIVE OF THE CHARACTER, A MULTIOUTPUT SIGNAL DELAY MEANS, MEANS COUPLING THE OUTPUT OF SAID SCANNING MEANS TO THE INPUT OF SAID SIGNAL DELAY MEANS, MEANS COUPLED TO SAID SCANNING MEANS FOR GENERATING A SECOND SIGNAL REPRESENTATIVE OF A PRESELECTED POSITION OF SAID SCANNING ELEMENT, MEANS COUPLED TO SAID SIGNAL DELAY MEANS FOR GENERATING A THIRD SIGNAL IN RESPONSE TO THE PRESELECTED ENERGIZATION OF SELECTED ONES OF THE OUTPUTS OF SAID SIGNAL DELAY MEANS, AND MEANS COUPLED TO SAID SECOND SIGNAL GENERATING MEANS AND SAID THIRD SIGNAL GENERATING MEANS AND RESPONSIVE TO SAID SECOND SIGNAL AND SAID THIRD SIGNAL FOR GENERATING A RASTER POSITION CORRECTION SIGNAL, THE SENSE OF SAID CORRECTION SIGNAL BEING DETERMINED BY THE RELATIVE ORDER OF OCCURRENCE OF SAID SECOND SIGNAL AND SAID THIRD SIGNAL.