Light irradiation device including reflection surfaces and a rotation mechanism
US11898726B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2020 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Mar 13, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light irradiation device includes a light source, a first reflecting surface, a second reflecting surface and a rotation mechanism that rotates the first reflecting surface around a first central axis passing through a center of the first reflecting surface and rotates the second reflecting surface around a second central axis passing through a center of the second reflecting surface. The first central axis is orthogonal to a first reference surface that is 45 degrees inclined with respect to a first plane that is orthogonal to an optical axis of light incident upon the first reflecting surface, the second central axis is orthogonal to a second reference surface parallel to the first reference surface, and the first reflecting surface is inclined with respect to the first reference surface and the second reflecting surface is inclined with respect to the second reference surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.