Abstract: A proximity detection system (100) includes a substantially flat electronic circuit that can be printed on a label or tag (113). The tag (113) is used with an electronic device (103, 107, 109, 111) for wireless communication in a network where the tag is affixed to the electronic device for authenticating access to the network. Any number of tags (113) may be include different encryption algorithms for communicating in the network based on groups or subgroups of electronic devices.

Publication number: 20070116291
Type: Application
Filed: November 9, 2005
Publication date: May 24, 2007
Inventors: Shmuel Silverman, Thomas Hill, Robert Johnson, Peter Stanforth