Reproduction of television signals from photographic disc recordings

Claim 1

IN COMBINATION FOR USE WITH A MEDIUM HAVING AT SUCCESSIVE POSITIONS VARIABLE CHARACTERISTICS REPRESENTING INFORMATION RECORDED ON THE MEDIUM OF VISUAL IMAGES TO OBTAIN THE REPRODUCTION OF SUCH INFORMATION WHERE THE VARIABLE CHARACTERISTICS OF THE MEDIUM CONTROL THE AMOUNT OF LIGHT PASSING FROM THE MEDIUM UPON THE DIRECTION OF LIGHT TOWARD THE MEDIUM AND WHERE THE INFORMATION RECORDED ON THE MEDIUM AT EACH SUCCESSIVE POSITION REPRESENTS SUBSTANTIALLY LESS THAN A COMPLETE VISUAL IMAGE, MEANS FOR PROVIDING A CONTINUOUS MOVEMENT OF THE MEDIUM TO PRESENT THE SUCCESSIVE POSITIONS ON THE MEDIUM FOR THE REPRODUCTION OF THE RECORDED INFORMATION, MEANS DISPOSED ON ONE SIDE OF THE MEDIUM FOR CONTINUOUSLY DIRECTING A BEAM OF ENERGY TOWARD THE MEDIUM AT EACH INSTANT OF TIME TO OBTAIN VARIATIONS IN THE INTENSITY OF THE ENERGY AT THAT INSTANT PASSING FROM THE MEDIUM AT ONE OF THE SUCCESSIVE POSITIONS IN ACCORDANCE WITH THE CHRACTERISTICS OF THE MEDIUM AT THAT ONE OF THE SUCCESSIVE POSITIONS, MEANS RESPONSIVE TO THE VARIATIONS IN INTENSITY OF THE BEAM OF ENERGY PASSING AT EACH INSTANT FROM THE MEDIUM AT ONE OF THE SUCCESSIVE POSITIONS FOR CONVERTING SUCH ENERGY INTO SIGNALS HAVING CHARACTERISTICS CORRESPONDING TO THE INTENSITY OF SUCH ENERGY AT THAT INSTANT, AND MEANS RESPONSIVE TO THE ENERGY PASSING FROM THE MEDIUM AT EACH INSTANT FOR CONTROLLING THE RATE OF PRESENTING AT THAT INSTANT THE SUCCESSIVE POSITIONS ON THE MEDIUM FOR THE PASSAGE OF THE ENERGY AT THAT INSTANT TO THE CONVERTING MEANS TO OBTAIN AN ACCURATE REPRODUCTION OF THE INFORMATION ON THE MEDIUM.