Container-classification identification using directional-antenna RFID
US8947528B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Aug 14, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/248
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A classification of a container is identified using a mobile station including an image capture device and an RFID reader having a reader antenna. The container has two RFID tags affixed thereto at respective, different locations. Each tag has a directional antenna steered in a different direction, so that a reader location is defined in the intersection of the antenna propagation patterns. Using the image capture device, one or more images of the container are captured. A controller determines, using the captured image data, whether the mobile station is in a candidate reader location. When the mobile station is in the candidate reader location, the RFID reader attempts to read both tags. If both tags are read while the mobile station is in the candidate reader location, the controller determines the classification of the container is a classification corresponding to the candidate reader location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.