Non-invasive near-infrared quantitative measurement instrument
US5436455A · kind A · utility
36Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1993 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Aug 16, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/359
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved near-infrared quantitative analysis instrument is disclosed comprising a removable finger insert which facilitates properly aligning and fitting and individual user's finger into the optical system of the analysis instrument. The finger insert according to the present invention also prevents the analysis instrument's optical system from being damaged by foreign matter typically introduced by a user's finger. The finger insert can also be provided with filters which will enable the insert to be used to as an optical standard for the analysis instrument.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.