Multi-grade object sorting system and method
US7499172B2 · kind B2 · utility
3Cited by
78References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2006 |
| Grant date | Mar 3, 2009 |
| Priority date | — |
| Expiry date | Jan 9, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/57
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A paper sorting system allows the high speed determination of color, glossiness and the presence of printed matter for individual sheets of paper in a stream of waste paper. Sorting criteria may be selected from a plurality of predefined options to sort the paper stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.