Method and apparatus for determining quality of fruit and vegetable products
US8072605B2 · kind B2 · utility
16Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2006 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Apr 26, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/49
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining the quality and ripeness of fruit and vegetable products includes the steps of irradiating a fruit or vegetable product with radiating light; measuring the absorbance of the product at the wavelengths of 670 nm and 720 nm; determining the difference of absorbances measured at the wavelengths of 670 nm and 720 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.