Protective helmet equipped with visor with lc layer and depolarizing layer
AssigneeOut of S.R.L.
InventorsFederico RIGHI, Roberto RIGHI
Life of this patent
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Abstract
A protective helmet for practicing sports activities or using motorized vehicles is provided. The protective helmet has a cap provided with a front opening at an eye region of a user, and closed by a visor assembly. The visor assembly has at least one at least partially transparent structural lens, a guest-host type liquid crystal (LC) film adapted to modify its own transparency level, arranged behind the at least partially transparent structural lens, at least one electrical source for powering the LC film, and at least one depolarizing layer arranged between the at least partially transparent structural lens and the LC film.
Claims10
A protective helmet for practicing sports activities or using motorized vehicles, the protective helmet comprising a cap provided with a front opening at an eye region of a user, and closed by a visor assembly,
- wherein the visor assembly comprises:
- at least one at least partially transparent structural lens;
- a guest-host type liquid crystal (LC) film adapted to modify its own transparency level, arranged behind the at least partially transparent structural lens;
- at least one electrical source for powering the LC film;
- and
- at least one depolarizing layer arranged between the at least partially transparent structural lens and the LC film.
Dependencies are inferred from the claim text.