US Patent 9345231 Selective access control apparatus for animals using electronic recognition

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.