Eye movement camera

Claim 1

A CAMERA FOR PHOTOGRAPHICALLY RECORDING THE MOVEMENTS OF THE EYES OF A SUBJECT DURING THE READING PROCESS COMPRISING: A CAMERA CASING ASSEMBLY HAVING ADJUSTABLE MEANS FOR ENGAGING THE SUBJECT''S HEAD TO MAINTAIN THE CAMERA AND HEAD DIN RELATIVELY STABLE RELATIONSHIP RELATIVE TO EACH OTHER; A BRACKET MOUNTED ON SAID CASING FOR SUPPORTING READING MATERIAL IN THE LINE OF VISION OF THE SUBJECT; LIGHT SOURCE MEANS FOR DIRECTING TWO SEPARATE LIGHT BEAMS SO AS TO IMPINGE ON THE TWO EYES OF THE SUBJECT; FILM FEEDING AND GUIDING MECHANISMS MOUNTED INSIDE SAID CASING AND INCLUDING A FILM EXPOSURE AREA AND A MOTOR AND SPROCKET FOR FEEDING PHOTOGRAPHIC FILM PAST THE EXPOSURE AREA AT A PREDETERMINED SPEED; AN OPTICAL SYSTEM INCLUDING A PAIR OF LENS TUBES ADJUSTABLY MOUNTED IN SAID CASING AND ARRANGED SO AS TO RECEIVE THE LIGHT BEAMS REFLECTED FROM THE SUBJECT''S EYES AND PROJECT THEM INTO THE CASING ONTO THE PHOTOGRAPHIC FILM IN THE EXPOSURE AREA; A REFLEX VIEWING SCREEN MOUNTED IN THE WALL OF SAID CASING; LIGHT DIRECTING MEANS MOUNTED INSIDE SAID CASING AND SHIFTABLE BETWEEN A FILM EXPOSING POSITION OUTSIDE OF THE PATH OF THE LIGHT BEAM AND A FOCUSING POSITION OUTSIDE IN THE PATH OF THE LIGHT BEAM SO AS TO DIRECT THE LIGHT BEAM AWAY FROM THE EXPOSURE AREA TO THE REFLEX AREA; SWITCH MEANS FOR CAUSING THE OPERATION OF THE FILM FEEDING MOTOR AND FOR CAUSING THE DIMMING OF THE LIGHT TO A LOWER PROJECTION INTENSITY FROM A HIGHER FOCUSING INTENSITY; AND A COVER FOR SAID REFLEX SCREEN SHIFTABLE BETWEEN OPEN AND CLOSED POSITIONS AND CONNECTED TO THE LIGHT DIRECTING MEANS AND THE SWITCH MEANS SO AS TO SHIFT THE LIGHT DIRECTING MEANS TO FILM EXPOSING POSITION SO AS TO CAUSE THE OPERATION OF THE FILM FEEDING MOTOR AND DIMMING OF THE LIGHT SOURCE TO A POWER PROJECTION INTENSITY WHEN THE COVER IS SHIFTED TO CLOSE POSITION AND TO CAUSE THE STOPPING OF THE FILM FEEDING MOTOR AND BRIGHTENING OF THE LIGHT SOURCE WHEN THE COVER IS SHIFTED TO THE OPEN POSITION.