System for measuring the color of a material
US4715715A · kind A · utility
16Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1987 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Mar 20, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/86
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system is provided for measuring the color of a sample material, and the system includes means for illuminating the sample and a sensor to measure light from the sample. The system also includes sample backing means to receive light transmitted by the sample and reflect the light back to the sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.