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Claim 1

SERVOMOTOR APPARATUS FOR PERFORMING DATA HANDLING OPERATIONS AT PREDETERMINED QUANTIZED POSITIONS ON DATA CARDS OR THE LIKE, SAID POSITIONS ALL LYING PRECISLEY AT INTERSECTIONS OF MUTUALLY ORTHOGONAL EQUALLY-SPACED SETS OF CENTER LINES FORMING A CARTESIAN COORDINATE ARRAY ON SUCH A CARD, COMPRISING (A) A SUPPORT PLATE, AND LOCATING MEANS THEREON FOR POSITIONING AT LEAST ONE SUCH DATA CARD, (B) A FIRST CARRIAGE MOUNTED ON SAID SUPPORT PLATE FOR MOVEMENT BACK AND FORTH IN A FIRST DIRECTION PARALLEL TO ONE SURFACE OF SAID SUPPORT PLATE, (C) A FIRST REVERSIBLE DRIVE MOTOR CONNECTED TO DRIVE SAID FIRST CARRIAGE IN SAID FIRST DIRECTION, (D) A SECOND CARRIAGE MOUNTED ON SAID FIRST CARRIAGE FOR MOVEMENT BACK AND FORTH IN A SECOND DIRECTION PARALLEL TO SAID ONE SURFACE OF SAID SUPPORT PLATE, SAID SECOND DIRECTION BEING PERPENDICULAR TO SAID FIRST DIRECTION, (E) A SECOND REVERSIBLE DRIVE MOTOR CONNECTED TO DRIVE SAID SECOND CARRIAGE IN SAID SECOND DIRECTION, (F) A DECADE SWITCH MECHANISM CONNECTED TO EACH OF SAID DRIVE MOTORS, FOR OPERATION THEREBY TO SENSE THE ARRIVAL OF EACH CARRIAGE AT SUCCESSIVE LOCATIONS CORRESPONDING PRECISELY TO THE SPACING OF SAID ARRAY, (G) PROGRAM SIGNAL GENERATING MEANS FOR ENERGIZING SAID DRIVE MOTORS IN SEQUENCE TO CAUSE SAID SECOND CARRIAGE TO SCAN IN SUCCESSION ALONG LINES PARALLEL TO ONE OF SAID SETS OF CENTER LINES, (H) MEANS CARRIED BY SAID SECOND CARRIAGE FOR PERFORMING A LOCALIZED DATA HANDLING OPERATION ON SUCH A DATA CARD, AT ANY OF SAID QUANTIZED POSITIONS, (I) AND MEANS CONTROLLED JOINTLY BY SAID SENSING MECHANISM (F) AND SAID PROGRAM SIGNAL GENERATING MEANS (G) FOR ENERGIZING SAID PERFORMING MEANS (H) AT SELECTED POSITIONS OF SAID ARRAY, AND FOR INTERRUPTING SAID GENERATING MEANS (G) DURING THE OPERATION CYCLE OF SAID PERFORMING MEANS (H).