Page printing device utilizing a scanning electrode structure

Claim 1

APPARATUS FOR RECORDING INFORMATION ON A RECORDING SHEET, SAID APPARATUS INCLUDING IN COMBINATION, MEANS FOR CAUSING THE RECORDING SHEET TO MOVE IN A PREDETERMINED DIRECTION, AT LEAST ONE MOVABLE ELECTRODE STRUCTURE, SCANNING MEANS ATTACHED TO SAID MOVABLE ELECTRODE STRUCTURE AND ADAPTED TO SCAN SAID MOVABLE ELECTRODE STRUCTURE REPEATEDLY ACROSS THE RECORDING SHEET IN A DIRECTION TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE RECORDING SHEET, SAID ELECTRODE STRUCTURE INCLUDING A PLURALITY OF CONDUCTIVE ELECTRODE FINGERS EXTENDING THEREFROM AND ALIGNED TRANSVERSELY WITH RESPECT TO THE DIRECTION OF MOVEMENT OF SAID ELECTRODE STRUCTURE, SAID ELECTRODE FINGERS HAVING SPACED PORTIONS FOLLOWING SUBSTANTIALLY PARALLEL LINEAR PATHS AS SAID ELECTRODE STRUCTURE SCANS ACROSS THE RECORDING SHEET, MEANS INSULATING SAID ELECTRODE FINGERS FROM ONE ANOTHER, A PLURALITY OF STATIONARY CONDUCTORS INSULATED FROM ONE ANOTHER AND POSITIONED TO BE ENGAGED RESPECTIVELY BY SAID ELECTRODE FINGERS AS THEY MOVE ACROSS THE RECORDING SHEET, AND CIRCUIT MEANS FOR SELECTIVELY APPLYING ELECTRICAL IMPULSES TO SAID CONDUCTORS, WITH SAID IMPULSES BEING CODED AND TIMED WITH RESPECT TO THE SCANNING MOVEMENT OF SAID MOVABLE ELECTRODE STRUCTURE TO PRODUCE AN ARRAY OF MARKS ARRANGED IN COLUMNS ON THE RECORDING SHEET SUCH THAT COMPLETE SYMBOLS ARE FORMED ONE AFTER THE OTHER AS SAID MOVABLE ELECTRODE STRUCTURE SCANS ACROSS THE RECORDING SHEET.