Photographic data storage system

Claim 1

A DATA STORAGE SYSTEM COMPRISING: A POINT SOURCE OF LIGHT; LIGHT RESPONSIVE MEANS ADAPTED TO RECEIVE LIGHT FROM SAID POINT OF LIGHT FOR PRODUCING ELECTRICAL SIGNALS HAVING AN AMPLITUDE PROPORTIONAL TO THE AMOUNT OF LIGHT RECEIVED FROM SAID POINT OF LIGHT; A PHOTOGRAPHIC STORAGE MEMBER POSITIONED BETWEEN SAID POINT OF LIGHT AND SAID LIGHT RESPONSIVE MEANS, OPERATIVE TO PRODUCE DATA-REPRESENTING ELECTRICAL SIGNALS FROM SAID LIGHT RESPONSIVE MEANS FOR REPRODUCING DATA RECORDED IN THE FORM OF DISCRETE CLEAR AND OPAQUE AREAS ALONG A PLURALITY OF PARALLEL, SPACED-APART RECORD TRACKS, EACH OF SAID TRACKS HAVING ASSOCIATED THEREWITH A PLURALITY OF TRACK CENTERLINE DEFINING INDICIA IN THE FORM OF EDGE PORTIONS BETWEEN CLEAR AND OPAQUE AREAS ON SAID STORAGE MEMBER, SAID EDGE PORTIONS BEING INTERSPERSED WITH DATA PORTIONS ALONG SAID TRACKS, EACH OF SAID TRACKS FURTHER HAVING ASSOCIATED THEREWITH NEAR THE MIDPOINT OF SAID TRACK AND BETWEEN TWO OF SAID EDGE PORTIONS, INDICIA IN THE FORM OF UNIQUE COMBINATIONS OF CLEAR AND OPAQUE DISCRETE AREAS DEFINING SAID TRACK''S POSITION ON SAID STORAGE MEMBER NORMAL TO SAID TRACK; FIRST MEANS FOR DEFLECTING SAID POINT OF LIGHT IN THE DIRECTION OF SAID TRACK CENTERLINES; SECOND MEANS FOR DEFLECTING SAID POINT OF LIGHT IN A DIRECTION NORMAL TO SAID TRACK CENTERLINES; MEANS FOR IDENTIFYING A PARTICULAR ONE OF SAID DATA TRACKS TO BE REPRODUCED; WHEN RECEIVING LIGHT FROM ONE-HALD SAID POINT OF LIGHT; MEANS, INCLUDING SAID FIRST AND SECOND DEFLECTING MEANS, AND SAID IDENTIFYING MEANS FOR POSITIONING SAID POINT OF LIGHT NEAR ONE OF SAID CENTERLINE DEFINING EDGE PORTIONS AT ONE SIDE OF SAID TRACK POSITION DEFINING INDICIA;