Method and apparatus for photographically recording numerical values

Claim 1

IN AN APPARATUS FOR PRODUCING A ROW OF LIGHT-RESPONSIVE IMAGES REPRESENTATIVE OF DIFFERENT VALUES ON A LIGHTSENSITIVE MEDIUM, A CATHODE RAY TUBE, MEANS FOR SUPPORTING A LIGHT-SENSITIVE MEDIUM IN POSITION TO BE EXPOSED BY THE LIGHT OF SAID TUBE AND MEANS FOR SELECTIVELY MODIFYING THE MIGRATION OF THE CATHODE RAY BEAM TO PRODUCE LATENT IMAGES IN SAID MEDIUM HAVING PORTIONS OF UNIFORM WIDTH AND PORTIONS OF PROGRESSIVELY VARYING WIDTH AND MODIFYING THE RATE OF CHANGE IN THE WIDTH OF SAID LAST NAMED PORTIONS IN ACCORDANCE WITH THE DIFFERENCE IN VALUES REPRESENTED BY SAID IMAGES, AND MEANS FOR SHIFTING THE POSITION OF THE CATHODE RAY BEAM AT THE CONCLUSION OF THE EXPOSURE OF THE FIRST IMAGE TO A SECOND STARTING POINT LATERALLY DISPLACED FROM THE FIRST STARTING POINT AND THEREAFTER CONTROLLING ITS MIGRATIONS TO PRODUCE AN IMAGE MODIFIED IN ACCORDANCE WITH A SECOND SELECTED VALUE.