Patent ID: 6185055
Filing Date: 2001-02-06
Classification: G02B

Abstract:
A 360-degree all-around reflector for retroreflection of beams, comprising:a housing;triple prisms, as reflectors, with round light entrance surfaces, wherein the triple prisms are arranged in said housing in such a way that their light entrance surfaces are part of circumferential surfaces of the housing;said triple prisms being arranged in said housing in such a way that adjacent triple prisms contact at a point, or almost so contact, inside the housing;said triple prisms having tips or covers which lie in a plane extending perpendicular to the light entrance surfaces of the triple prisms;said triple prisms having axes and wherein the axes of the triple prisms which intersect at a point are also located in this plane; andtriple prisms which are located next to one another being oriented relative to one another so as to be rotated about their axes by an angle of 60.degree..