Patent ID: 7742995

Claim:
An identification token, comprising: a housing; a band for securing the housing to a user's wrist; and a processor for executing computer program instructions stored on a computer readable medium to perform the following steps: sensing attachment of the identification token to a user's wrist; sensing removal of the identification token from the user's wrist; detecting the removal of the identification token from the user's wrist; switching the identification token from an enabled state to a disabled state in response to detecting the removal of the identification token; receiving a signal from a re-enabling device, with the identification in proximity to the re-enabling device, the identification token in its disabled state when the identification token receives said signal, said signal received at a time when the identification token is not on the user's wrist; sensing re-attachment of the identification token to the user's wrist within a predetermined time after receiving said signal; and switching the identification token switching back to the enabled state in response to the identification token being re-attached to the user's wrist within said predetermined time after receiving the signal.