Diver's mask with rotatable mirrorized elements

Details Diver's mask with rotatable mirrorized elements Diver's mask with rotatable mirrorized elements

1996-04-15

1998-06-09

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With rear-view reflectors

351 43, 2447, G02C 714

Patent

active

057643342

ABSTRACT:
A diving mask with supplemental vertical, lateral and posterior fields of vision. A pair of sealed compartments at opposite ends of the diving mask have rotatable mirrorized surfaces which reflect light rays from objects above, below, or the side and rear of the mask into a diver's view. In a first aspect of the invention, the mirrorized surfaces are rotatable about vertical axes to provide supplementary lateral and posterior fields of vision in varying amounts. In a second aspect of the invention, the mirrorized surfaces are rotatable about horizontal axes to provide supplementary vertical and posterior fields of vision in varying amounts. In a third aspect of the invention, the mirrorized surfaces are on members which are rotatable with spherical joints to provide supplementary vertical, lateral and posterior fields of vision in varying amounts.

REFERENCES:
patent: 5170190 (1992-12-01), Berke
patent: 5216454 (1993-06-01), Berke
patent: 5420649 (1995-05-01), Lewis

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