Illuminating headlamp providing substantially uniform illumination
US7690806B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2008 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Mar 4, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illuminating headlamp consisting of a headband and at least one optical device providing illumination at a known distance from said optical device attached to said headband. Each optical device consists of a housing having an open first end and an open second end. There is a light emitting device attached to a mounting which is attached to the second end causing said light emitting device to be orientated at a known angle to an axis of said housing. At least one optically transparent lens is incorporated into said first end, and a means for adjusting said optically transparent lens in order to cause a focal point of the lens to be positioned behind said light emitting device, wherein a zone of substantially uniform illumination is projected at said known distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.