Photometric measuring system
US4038555A · kind A · utility
29Cited by
7References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1974 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Aug 28, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/27
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention has particular utility in the field of absorption spectrophotometry or colorimetry, and is particularly applicable, when incorporated in such type of equipment, as a sample detector to enable direct readings to be taken in concentration or absorbance of sample fluids or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.