Patent ID: 8667518
Filing Date: 2014-03-04
Classification: G07C,H04L,H04N

Abstract:
1. A method for operating a reusable reading device having a signal generator for wirelessly communicating with a signal receiver which authorizes controlled access, the method comprising: receiving an authentication token device having stored therein a predetermined usage time limit for a predetermined controlled access; reading the predetermined usage time limit stored in the inserted authentication token device, storing the predetermined usage time limit after a first reading, implementing the predetermined controlled access during the predetermined usage time limit after said first reading, deauthorizing the authentication token device for use with other reading devices by erasing the predetermined usage time limit from the authentication token device based on said first reading, while retaining the ability to read other authentication token devices for other predetermined controlled access, sending, from the signal generator, a wireless transmission to the signal receiver to permit the predetermined controlled access; and upon exceeding the predetermined usage limit after said first reading, deauthorizing the authentication token device for further controlled access.