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

• US 3,230,819 A
• Filed: 07/25/1962
• Issued: 01/25/1966
• Est. Priority Date: 07/25/1962
• Status: Expired due to Term

• Current Assignee: Paul A. Noxon
• Original Assignee: Paul A. Noxon
• Inventors: Noxon, Paul A.
• Application Number:
  US04/212,377
• Time in Patent Office: 1,280 Days
• US Class Current: 359/482
• CPC Class Codes: B60K 2360/334 Projection means
• CPC Class Codes: B60K 2370/334 Projection means
• CPC Class Codes: G02B 2027/0118 comprising devices for improving the contrast of the display / brillance control visibility
• CPC Class Codes: G02B 2027/012 comprising devices for attenuating parasitic image effects
• CPC Class Codes: G02B 2027/0138 comprising image capture systems, e.g. camera
• CPC Class Codes: G02B 2027/0143 the two eyes not being equipped with identical nor symmetrical optical devices
• CPC Class Codes: G02B 2027/0154 with movable elements
• CPC Class Codes: G02B 2027/0165 associated with a head-down display
• CPC Class Codes: G02B 2027/0169 Supporting or connecting means other than the external walls
• CPC Class Codes: G02B 2027/0178 Eyeglass type eyeglass details G02C
• CPC Class Codes: G02B 27/0101 characterised by optical features G02B27/0172 takes precedence
• CPC Class Codes: G02B 27/0172 characterised by optical features
• CPC Class Codes: G08G 5/00 Traffic control systems for aircraft , e.g. air-traffic control [ATC]
• CPC Class Codes: G08G 5/0021 located in the aircraft

Claims

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.