Optical display means for an all weather landing system of an aircraft

Claim 1

AN OPTICAL DISPLAY MEANS BY WHICH A PILOT MAY VIEW LANDING CONDITIONS OF AN AIRCRAFT COMPRISING IN COMBINATION A CATHODE RAY TUBE FOR SUPPLYING AN IMAGE OF THE LANDING RUNWAY, A PAIR OF BINOCULARS, A PAIR OF DICHROIC MIRRORS POSITIONED BEFORE THE EYES OF THE PILOT, A PAIR OF MIRRORS FOR REFLECTING THE IMAGE SUPPLIED THROUGH BOTH BINOCULARS TO THE DICHROIC MIRRORS, AND A COLLIMATING OPTICAL DEVICE DISPOSED BETWEEN THE CATHODE RAY TUBE AND SAID BINOCULARS AND ARRANGED TO SUPPLY THE IMAGE TO THE DICHROIC MIRRORS THROUGH BOTH BINOCULARS, SAID COLLIMATING OPTICAL DEVICE INCLUDING A MOSAIC OF LENSES, A PRISM ASSOCIATED WITH EACH OF SAID LENSES SO AS TO OBTAIN A MULTIPLEXING OF THE IMAGE, WHEREBY THE PILOT MAY VIEW THE IMAGE OF THE LANDING CONDITION OF THE AIRCRAFT PROVIDED BY SAID COLLIMATING OPTICAL DEVICE WHILE AT THE SAME TIME THE PILOT MAY VIEW THROUGH THE DICHROIC MIRRORS SUCH INFORMATION OF THE TRUE LANDING CONDITIONS AS MAY BE DISCERNED BY THE PILOT FROM THE AIRCRAFT.