Patent · US Active

Method and system for detecting a diamond signature

US10942128B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

Tomra Sorting GmbH · DE

Inventors

Geoffrey Harold Madderson · Johannesburg, ZA
Markus Dehler · Wedel, DE

Key dates

Filing date	Feb 11, 2020
Grant date	Mar 9, 2021
Priority date	—
Expiry date	Feb 11, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB07C2501/0018
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for identifying the presence of partly liberated diamonds in a material stream. The method including illuminating a material with a multi-wavelength beam including at least one monochromatic SWIR laser beam, and at least one IR scatter-/anti-scatter laser beam. A sorting process including ejecting objects including material classified as diamond from a transportation direction of the material stream.

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