Apparatus and methods for controlling a three-dimensional optical field
US8956009B2 · kind B2 · utility
4Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2011 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Jul 18, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/208
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an apparatus for controlling a three-dimensional optical field. The apparatus includes a light-emission device and a set of zoom elements. The light-emission device emits a light. The set of zoom elements are disposed in front of the light-emission device, and focus the light from the light-emission device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.