Spectrophotometer and radiometric measurement apparatus
US5483339A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 1994 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | May 4, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A handheld portable spectrophotometer is provided including keys for input of instructions by a user, an illuminator for illuminating a sample, and a spectral analyzer for separating light reflected from the sample into spectral components to produce a signal corresponding to the level of each spectral component. A processor is provided for executing the user instructions and for analyzing the signal. The results of the signal analysis are presented on a display. A power source is provided for providing power for operation of the handheld portable spectrophotometer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.