Versatile filter based spectrophotometer
US6556301B2 · kind B2 · utility
4Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Nov 19, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2003/1234
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An array of detectors of electromagnetic radiation is positioned behind a pair of “grade” or “variable” filters and are inclined with respect to each other so that the detectors view a range of center wavelengths of varying bandwidths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.