| 摘要 |
A retractable holographic combiner, of the type comprising a movable holographic mirror placed before the pilot's eyes and designed for the presenting of light images collimated at infinity, superimposed on the external scene, and coming from a projector positioned upline with respect to the combiner, the holographic mirror being connected to a fixed part of the aircraft by a hinged support that provides for holding it and positioning it, wherein the support of the holographic mirror is constituted by a single lateral connecting arm comprising a first upper hinge connecting said arm by one of its ends to the fixed part of the aircraft and a second lower hinge connecting said arm by its other end to a side of the holographic mirror so as to obtain a complete retraction of the assembly.
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