Keyed waveguide assembly and method for making same
US6431717B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2000 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Mar 7, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q3/64
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An illumination assembly and a method for making it. The basic assembly includes an elongated waveguide and an enclosure operative to support an illumination source, where the enclosure defines at least one opening. The waveguide includes light-directing structure operative to direct light out of the waveguide in a pre-determined direction. The end of the waveguide and the opening of the enclosure are each shaped so that the waveguide may be inserted into the enclosure in only one rotational orientation. The method includes the basic steps of: modifying the waveguide to include light-directing structure along the waveguide to direct light out of the waveguide in a predetermined direction; forming an opening having a predetermined shape; and forming the end of the waveguide to have a corresponding shape, where the shapes of the opening and the end permit mating of the end into the opening in only one rotational orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.