Method and apparatus for tracking items on a conveyer using capacitive RFID
US7893814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2006 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Oct 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07788
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are described for facilitation of radio frequency (RF) communication between a radio frequency identification (RFID) device and RFID tags for a conveyer system. The RFID device is positioned in proximity of the conveyor system. At least one conductive surface is coupled to the RFID device. The conveyer system transports articles, at least one which has one or more associated RFID tags. The conveyer system is operated such that the articles are brought in contact with the at least one conductive surface. The RFID device, the at least one conductive surface and one or more of the associated RFID tags are capacitively coupled allowing RF signals to be communicated between RFID device and the one or more associated RFID tags. This enables data to be electronically read from the one or more associated RFID tags.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.