Visual display apparatus for trainee pilot
CA 1048777 A · Owner: Redifon Limited · Inventors: Spooner, Archer M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Head-coupled visual display apparatus for a sole observer particularly in craft flight simulation apparatus for, providing to a pilot a view simulating that seen from an actual craft. The apparatus includes an image generator of known type, such as closed circuit television or computer generated image types, an image projector a helmet with a, binocular attached and a movable optical path linking the image projector with the helmet viewer. The helmet binocular viewer comprises a beam-splitter which splits, the image beam into left-eye and right-eye beams and left-, eye and right-eye mirrors, which reflect the corresponding image beams onto a retro-reflective screen and which permit, the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.