Color analyzing apparatus with polarized light source
US7006126B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 31, 2002 |
| Grant date | Feb 28, 2006 |
| Priority date | — |
| Expiry date | Mar 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/0272
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A light analyzer with a first light source configured and disposed for irradiating with a first light an object disposed at an object location. A second light source is configured and disposed for irradiating the object with a second light that is preferably polarized along a first axis. A light receiving element is configured and disposed for receiving the first and second light reflected from the object and comprising a sensing device that is configured for sensing and producing an image corresponding to the reflected light. The light receiving element preferably comprises a polarizing filter configured for polarizing the reflected second light along a second axis at an angle to the first axis for reducing glare and reflection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.