Patent · US Expired

Arrangement for measuring diffusing particles

US4597392A · kind A · utility

62Cited by

7References

10Claims

0Family size

Assignee

Max-Planck-Gesellschaft · DE

Inventors

Norbert Opitz
Dietrich W. Lubbers · Dortmund, DE

Key dates

Filing date	Apr 2, 1984
Grant date	Jul 1, 1986
Priority date	—
Expiry date	Apr 2, 2004

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/7786
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An arrangement for measuring diffusing particles has at least one monochromatic radiation source and a light measuring device, as well as at least one material limited particle-permeable indicator chamber provided with an optical fluorescent indicator which is optically changeable by the particles to be measured, and a carrier body having a surface which is arranged to face an eyelid and has depressions in which the indicator chambers are arranged.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.