Allflex Australia Pty. Limited

Paul Anthony Turnbull

Patrick Bernard Gunston

Kevin Paul Ford

Christopher John McLoughin

David Low Scott

Christopher John Mcloughin

Kevin Pal Ford

A portal antenna () particularly suited for enabling low frequency RFID devices carried by animals to be read when animals are proceeding through a stock race or the like. The portal antenna includes a portal structure () through which an animal can pass and about which is wound at least one coil () of antenna conductor. At least one elongate radiator element () preferably projects to at least one side of the portal structure (). Preferably the radiator(s) () is/are of ferrous/magnetically conductive metal. The radiator(s) can form a separate structure or be part of the wall structure of a stock race.

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Springfield, Australia

Paul Anthony Turnbull