Warning light with quadruple reflective surfaces
US4985814A · kind A · utility
15Cited by
15References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1990 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Jan 19, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S43/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dual emitter light assembly employs a reflector having a pair of adjoining concave reflector dishes. Each dish comprises a pair of angularly related parabolic reflective surfaces. The dishes intersect along a central parabolic path which lies in a plane perpendicular to a plane defined by the parallel axes of light emitter receiving sockets which are integral with each dish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.