Color sensor
US4699510A · kind A · utility
55Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 1984 |
| Grant date | Oct 13, 1987 |
| Priority date | — |
| Expiry date | Nov 7, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/64
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved color sensor is provided having two sources of illumination, one source being modulated on and off while the other source remains on. Data taken while the modulated source is on is compared with data taken while the modulated source is off to compute the effective fluorescence of the sample. A corrected color spectrum can then be determined for a defined source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.