Remote film viewer

Claim 1

REMOTE FILM SCANNING AND VIEWING MEANS FOR INTERPRETING, VIEWING AND MEASURING CO-ORDINATE POINTS ON LARGE FILM OF THE TYPE USED IN AERIAL SURVEYS SAID FILM CONSISTING OF INDIVIDUAL FRAME PICTURES ON A FILM STRIP SAID PICTURES BEING TAKEN AT LEFT AND RIGHT POSITION FOR STEREO VIEWING COMPRISING: A TABLE HAVING X AND Y AXES, FILM TRANSPORT MEANS MOUNTED ON SAID TABLE COMPRISING A PAIR OF SPOOLS ONE AT EITHER END THEREOF TO MOVE SAID FILM STRIP ALONG SAID X AXIS OF SAID TABLE, ILLUMINATION SOURCES ON SAID TABLE TO ILLUMINATE SAID FILM, SAID TABLE BEING LARGE ENOUGH TO ACCOMMODATE AT LEAST TWO OF SAID FRAME PICTURES, A PAIR OF OPTICAL PICKUP DEVICES TO RECEIVE STERO OPTICAL IMAGES FROM SAID LEFT AND RIGHT FRAME PICTURES, MEANS TO MOVABLY MOUNT A FIRST OF SAID OPTICAL PICKUP DEVICES ON SAID TABLE FOR MOVEMENT ALONG X AND Y AXES OF SAID TABLE AT A SUBSTANTIALLY LARGE ANGLE TO EACH OTHER, OVER A LEFT FRAME PICTURE, MEANS TO MOVABLY MOUNT THE SECOND OF SAID OPTICAL PICKUP DEVICES ON SAID TABLE FOR MOVEMENT ALONG CORRESPONDING X AND Y AXES OVER A RIGHT FRAME PICTURE, ONE OF SAID AXES BEING PARALLEL TO SAID AXIS OF SAID TABLE, POSITION MEASURING MEANS TO MEASURE THE POSITION OF SAID OPTICAL PICKUP DEVICES ALONG SAID X AND Y AXES, A FIBER OPTIC CABLE CONNECTED TO EACH OF SAID OPTICAL PICKUP DEVICES, A PAIR OF STATIONARY EYE PIECES MOUNTED ON SAID TABLE, ONE OF THE FIBER OPTIC CABLES BEING CONNECTED AT ITS OTHER END TO ONE OF SAID STATIONARY EYE PIECES, AND THE OTHER SAID CABLES BEING CONNECTED AT ITS OTHER END TO THE OTHER OF SAID STATIONARY EYE PIECES, AND MEANS TO MOVE SAID OPTICAL PICKUP MEANS AND POSITION THEM WITH RESPECT TO SAID FILM ON SAID TABLE TO VIEW ELEMENTAL AREAS OF SAID FILM FRAME PICTURES.