Spectrophotometer and its use
US6844931B2 · kind B2 · utility
27Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 25, 2002 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Dec 3, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/062
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A spectrophotometer including an optical measurement head, a spectrometer and a control electronic. The measurement head is equipped with a multi-channel illumination arrangement having exclusively light emitting diodes as spectrally continuous light source. Each illumination channel includes a light emitting diode, whereby each light emitting diode is separately controllable. In combination with the control electronic, an illumination with electronically adjustable spectral characteristics is hereby realized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.