Multi-record graphic recorder

Claim 1

A GRAPHIC RECORDER FOR PRODUCING ON A CHART BROKENLINE RECORD TRACES WHOSE RESPECTIVE SEGMENT LENGTHS IDENTIFY DIFFERENT VARIABLES UNDER MEASUREMENT COMPRISING MEANS ENERGIZABLE TO DRIVE THE CHART, MARKING MEANS INCLUDING MEANS ENERGIZABLE TO PRODUCE LINE-TRACE SEGMENTS OF A DIFFERENT LENGTHS ALONG SAID CHART IN DIRECTION OF ITS DRIVE AND EACH IN POSITION CORRESPONDING WITH THE VALUE OF A MEASURED VARIABLE, AND PROGRAMMING MEANS FOR SEQUENTIALLY APPLYING SIGNALS REPRESENTATIVE OF THE EXISTING MAGNITUDES OF THE DIFFERENT VARIABLE AS INPUTS TO THE RECORDER, SAID PROGRAMMING MEANS INCLUDING A PLURALITY OF DIFFERENT SELECTIVELY-OPERATED CONTROL MEANS RESPECTIVELY HAVING DIFFERENT DELAY CHARACTERISTICS AND RESPECTIVELY CONTROLLING ENERGIZATION OF AT LEAST ONE OF SAID ENERGIZABLE MEANS FOR CORRESPONDING DIFFERENT INTERVALS OF TIME SO TO PRODUCE DISCRETE LINE-TRACE SEGMENTS OF DIFFERENT LENGTHS RESPECTIVELY IDENTIFYING THE DIFFERENT INPUT VARIABLES, AND IN WHICH THE MARKING MEANS COMPRISES A SINGLE STYLUS WITH ELECTROMAGNETIC MEANS ENERGIZABLE FOR TIME INTERVALS OF DIFFERENT LENGTHS UNDER CONTROL OF SAID PROGRAMMING MEANS TO EFFECT MOVEMENT OF THE STYLUS INTO MARKING RELATION WITH THE CHART, SAID CHART-DRIVING MEANS BEING ENERGIZED UNDER CONTROL OF SAID PROGRAMMING MEANS DURING SAID DIFFERENT INTERVALS FOR TRACING BY SAID STYLUS ON THE MOVING CHARR OF LINE SEGMENTS OF CORRESPONDINGLY DIFFERENT LENGTHS.