G - Physics – 03 – B
Patent
G - Physics
03
B
343/70, 88/73
G03B 21/10 (2006.01) G02B 23/10 (2006.01) G02B 27/01 (2006.01) G09B 9/32 (2006.01) G02B 27/00 (2006.01)
Patent
CA 2017251
14 ABSTRACT OF THE DISCLOSURE Disclosed is an optical device designed to enable an observer to look simultaneously at what is normally in his field of vision and at a collimated image introduced so as to be superimposed on his field of vision, by total reflections in a strip with parallel faces forming an optical guide. This introduction of a superimposed image is done by means of successive, parallel semi-reflecting panels positioned in the strip and treated so as to be reflective at angles of incidence that get ever smaller with distance from the generator that gives the image. The outside scene is seen, by transparency, through the panels. This device especially concerns helmets for pilots in the field of aeronautics.
Goudreau Gage Dubuc
Thomson-Csf
LandOfFree
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