RFID system and method for tracking food freshness
US6982640B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Mar 6, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2700/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method is provided for tracking the freshness or expiration dates of food products put into storage. The food products placed into storage are provided with smart tags, the smart tags containing food product information regarding the freshness or expiration date of the food product. The food products are scanned with a smart tag scanner prior to placing the products into storage, the scanner configured to retrieve the food product information from the smart tags. The user may be alerted if the retrieved information indicates that the food product being placed into storage has expired or is no longer fresh. The food products are placed in storage, and the user may be alerted when any of stored products have expired or are no longer fresh.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.