Patent ID: 8868922

Claim:
A system for controlling operation of a mobile device and/or access to data on the mobile device, comprising: an authorization transponder coupled to said mobile device, having a unique identification (UID), a transmitter for wirelessly transmitting said UID to a nearby device, a receiver able to receive a UID wirelessly transmitted from said nearby device, and a controller able to compare the authorization transponder UID with the UID transmitted by the nearby device, such that if a match is determined, operation of all or a subset of functions of said mobile device is enabled; and said nearby device, having a unique identification (UID), a receiver able to receive said UID from said authorization transponder, a controller able to compare the UID of said nearby device with the UID received from the authorization transponder, and a transmitter which transmits the UID of said nearby device to said authorization transponder if the UIDs match, said nearby device being a passive transponder, generating power for its operation from the received radio frequency energy transmitted by said authorization transponder coupled to the mobile device.