Optically determining the condition of goods
US11204331B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2020 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Apr 5, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/8835
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In one embodiment, an optical state monitor includes an a light source detection layer for detecting electromagnetic radiation from an associated good. The optical state monitor uses a processor to evaluate the detected radiation, and make a comparison to a pre-defined optical state profile for the good. By making this comparison, the optical state detector is able to determine a quality for the good. In a particular construction, the optical state detector has an integral light source, and the light detection layer is printed as a thin film device. In this way, a stand-alone self-contained sensor is constructed for determining the good's current quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.