Uniform radiation intensity generation box using a symmetrical lighting source
US6672737B2 · kind B2 · utility
9Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 17, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B15/03
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A uniform radiation intensity generation box using a symmetrical lighting source is constructed to include a housing, the housing having a top opening for the mounting of a camera for taking photos of a real object and a door at one side, a plurality of lamp tubes vertically symmetrically provided inside the housing, and a plurality of diffusion plates mounted inside the housing and covered over the lamp tubes, each diffusion plate having a plurality of diffusing grains uniformly arranged in one face thereof and adapted for diffusing light from the lamp tubes in all directions inside the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.