Thales

Jean-Noël Perbet

Joël Baudou

Christian Nouvel

Laurent Laluque

Johanna Dominici

Christophe Coupeaud

Alain Soum

Jean-Claude Ebert

Philippe Viot

Sébastien Denneulin

Virginie Rejsek

Matthieu Gervais

Jean-Noël Baudou

The general field of the invention is that of helmet shells made of composite material comprising at least one 'armure' of fabrics impregnated with a resin matrix. Certain parts of the 'armure' are impregnated with a resin matrix comprising an additive adapted to reinforce the mechanical strength of the helmet, the said parts corresponding to the weakest zones of a human head, such as the top of the head or the ears. Preferably, the resin is of the epoxy type and the additive is based on acrylic block copolymers. More precisely, the additive is of the &#x201c;Nanostrength&#xae;&#x201d; brand.

Helmet shell made of composite material

The general field of the invention is that of head-up display systems HUD, protected from solar illumination. An HUD includes at least one display, an optical system and at least one semi-reflecting plate called a combiner, said optical system and said combiner being arranged so that the image on the display is collimated, the display emitting in at least one first optical spectrum of first spectral width, the display being arranged so as to withstand illumination of a predetermined level. In the display according to the invention, the lateral chromatism of the optical system is sufficiently strong for the level of solar illumination received by the display to be always less than said predetermined level and said lateral chromatism is sufficiently weak for the dispersion of the first spectrum emitted by the display and seen by a user to be less than or equal to the resolution limit of the human eye.

Head-up display with optical combination providing protection against solar illumination

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Eysines, France

Jean-Noël Perbet