Selective access control apparatus for animals using electronic recognition
First Claim
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1. A system for controlling animal access to an animal system comprising:
- an animal system to be controlled;
a means for preventing animal access to said animal system; and
an antenna system comprising at least two separate, non-coplanar antennas covering up to 3 dimensions and shielded against RF signals for detecting the presence of a tag using inductive or H-field coupling of the signal; and
an authorized powered RFID tag configured to magnetically couple with said antenna system,wherein a control system scans the antenna system for the transmission of a tag in proximity to said animal system and upon sensing an authorized tag disengages said means for preventing animal access.
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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.
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Citations
15 Claims
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1. A system for controlling animal access to an animal system comprising:
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an animal system to be controlled; a means for preventing animal access to said animal system; and an antenna system comprising at least two separate, non-coplanar antennas covering up to 3 dimensions and shielded against RF signals for detecting the presence of a tag using inductive or H-field coupling of the signal; and an authorized powered RFID tag configured to magnetically couple with said antenna system, wherein a control system scans the antenna system for the transmission of a tag in proximity to said animal system and upon sensing an authorized tag disengages said means for preventing animal access. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification