Classifying or sorting
US5628410A · kind A · utility
14Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1995 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Oct 24, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/87
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention relates to a method and apparatus for classifying or sorting objects by projecting and irradiating an object through an irradiation zone and then examining the radiation emitted by the object to determine its class, the irradiating zone having a length in a vertical plane greater than its width where its length to width ratio is greater than 5:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.