Selective access control apparatus for animals using electronic recognition
US9345231B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2013 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Feb 3, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and system is provided that controls access to various different locations and/or objects whereby animals wearing an ID tag are reliably and consistently allowed or denied access to various locations and/or objects, such as food contained within a food delivery device dish for example. An RFID system that employs a internally powered RFID tag with inductively coupled transmissions where a reader is employed linked to an internal multiple antenna array that is focused on all possible animal approach directions for a range of up to 36″, but not more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.