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Aircraft visual indicating or display systems utilizing a cathode ray tube

  • US 3,291,906 A
  • Filed: 05/01/1963
  • Issued: 12/13/1966
  • Est. Priority Date: 05/01/1963
  • Status: Expired due to Term
First Claim
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1. IN AN AIRCRAFT, A DISPLAY APPARATUS FOR PRESENTING TO A PILOT A DISPLAY OF FLIGHT INSTRUMENT INFORMATION SUPERIMPOSED ON HIS LINE OF SIGHT FORWARD OF THE AIRCRAFT, SAID APPARATUS COMPRISING A SCREEN, A PARTLY REFLECTING MIRROR DISPOSED IN SAID LINE OF SIGHT TO DIRECT LIGHT FROM SAID SCREEN INTO SAID LINE OF SIGHT, COLLIMATING MEANS INTERPOSED BETWEEN SAID SCREEN AND SAID MIRROR, A PLURALITY OF WRITING MEANS FOR TRACING RESPECTIVE COMPONENT IMAGES OF THE DISPLAY ON DIFFERENT REGIONS OF SAID SCREEN, AND MEANS FOR RENDERING VISIBLE AND DISTINGUISHING THE IMAGES FROM DIFFERENT REGIONS.

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