Patent ID: 7522056
Filing Date: 2009-04-21
Classification: G06K

Abstract:
1. A badge comprising: a badge body constructed and arranged to support one or more components of the badge, the badge body including a metal portion; an RFID device attached to the badge body, the RFID device including a coil antenna and a processor in communication with the coil antenna; and at least one antenna-enhancing structure attached to the badge body and adjacent the coil antenna, the at least one antenna-enhancing structure enhancing an ability of the RFID device to communicate wirelessly with an RFID reader, the antenna-enhancing structure including a first portion positioned on a first side of the coil antenna such that the coil antenna is located between the first portion and the badge body, wherein the at least one antenna-enhancing structure includes the first portion and a second portion, the first and second portions each including a metal foil section, and the second portion being positioned between the coil antenna and the badge body such that the first and second portions are positioned on opposite sides of the coil antenna.