Item management system using tag information
US10565406B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2018 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Feb 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An item management system using tag information includes a wireless tag provided to each of a plurality of products; first to nth (n is a natural number equal to or greater than 2) readers provided at different locations to receive tag information from the wireless tag; and a control module configured to control the first to nth readers, wherein the control module includes a receiving unit configured to receive the tag information; an information generating unit configured to generate the received tag information and response frequency information representing receipt of the tag information for each of the first to nth readers; and a location information generating unit configured to generate location information of the wireless tag by using the response frequency information and the location information of the first to nth readers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.