Multi-band spectral sorting system for light-weight articles
US6646218B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Dec 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S209/906
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An article sorting apparatus and method is disclosed and which conveys a mixture of articles on a conveyor belt and through an inspection zone, and which includes at least one illumination source emitting red, green, and infrared radiation for illuminating the articles in the inspection zone; a detector system for sensing the red, green, and infrared radiation reflected from the articles in the inspection zone, and which generates red data, green data, and infrared data; a processor receiving the red data, green data, and infrared data and which generates article sorting data; and a sorter responsive to the sorting data for separating the articles into acceptable articles and unacceptable articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.