| 摘要 |
Abstract A reflector arrangement 10 for use on the upper end of a light pipe 12. The arrangement 10 includes a bell shape glassed dome 20 in which is 5 provided a main reflector 26 in the form of a convex frusto conical part which diverges upwardly, with a side reflector 32 on each side of the main reflector 26. Each reflector 32 has a substantially part cylindrical form decreasing in width upwardly to an apex 34 adjacent to upper corners of the main reflector . . . . . . . . . . |
