High intensity spotlight
US3940606A · kind A · utility
12Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Jul 19, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/406
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light projecting apparatus consists of a concave, substantially prolate-spheroidal reflector having a major axis coincident with the optical axis of the apparatus and a metal halide high intensity discharge source positioned at a first focal point of the reflector and inclined with respect to the optical axis of the apparatus at an angle of approximately 30.degree..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.