Street luminaire

Claim 1

A LUMINAIRE COMPRISING A LIGHT SOURCE, A LIGHT INTERCEPTOR WITH AN OVAL SHAPED MOUTH CENTERED SUBSTANTIALLY UNDER THE LIGHT SOURCE WHICH LIMITS THE ESCAPE OF DIRECT LIGHT AT VARIABLE VERTICAL ANGLES ABOVE THE NADIR AND IN A CONE WITH AN OVAL SECTION, AND EMITS SUCH LIGHT ONTO AN ELONGATED OVAL AREA ON A HORIZONTAL PLANE BELOW THE LIGHT INTERCEPTOR, AN EXTERNALLY CONVEX OVAL SHAPED REFRACTING BOWL BELOW THE INTERCEPTOR AND THROUGH WHICH THE DIRECT LIGHT PASSES, THE BOWL HAVING ON ITS OUTER SURFACE AND TOWARD ONE END THEREOF A SYSTEM OF REFRACTING PRISMS WHICH LOWER THE DIRECT LIGHT FALLING THEREON AND CAUSE IT TO FALL ONTO SAID AREA NEARER THE CENTER THEREOF, AND BOWL HAVING TOWARD ITS OTHER END A SYSTEM OF EXTERNAL PARALLEL PRISMS LOCATED IN VERTICAL PLANES PARALLEL TO THE LENGTH OF THE OVAL AREA AND EXTENDING AROUND THE BOTTOM AND SIDES OF THE BOWL FOR REDIRECTING LIGHT DOWNWARDLY AND LATERALLY.