US 5,179,466 AGranted

Device for projecting light spots onto a surface

AssigneeOptikon Oftalmologia S.p.A.

InventorsRenzo Mattioli, Fausto Fiorini

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Abstract

A device for projecting light spots onto a surface, comprising a device for generating and concentrating light, a pierced member which is movable before said device and endowed with means for selecting the hole to be aligned with the light, an assembly of lenses and mirrors and a projection head for projecting light onto a surface, and a shutter member, which controls the projection of the beam itself, in which device means for orienting said pierced member around the vertical axis passing through the center of the selected hole and means for orienting the same pierced member around the horizontal axis passing through the center of the selected hole are provided; the orientation and position of the pierced member, as well as the selection of the hole and of the orientation of the projection head, being achieved by a computer.

Claims21

Dependent claims

A device for projecting light spots onto a surface, comprising a device for generating and concentrating light, a pierced element, provided with a plurality of holes, movable before said device and endowed with means for selecting one of the holes to be aligned with the light, a lens and mirror assembly and a projection head for projecting light onto said surface, and a shutter member which regulates the projection of the light itself, characterized in that means for orienting the said pierced element around the vertical axis passing through the center of the selected hole and means for orienting the same pierced element around the horizontal axis passing through the center of the selected hole are provided, so that said pierced element can be inclined with respect to the optical path of the light of any possible angle in order to compensate the spot;

the orientation and the position of the pierced element, as well as the selection of the hole and the orientation of the projection head, being performed by means of a computer.

Dependencies are inferred from the claim text.