Patents Assigned to Quadriga Worldwide Limited
  • Patent number: 8667518
    Abstract: A method for operating a signal receiver which authorizes controlled access, comprising providing an authentication token device having a predetermined usage limit stored therein, providing a reading device for reading the authentication token device, and for implementing the predetermined usage limit while deauthorizing the authentication token device for use with other reading devices, comprising a signal generator for communicating with a signal receiver through a wireless transmission, receiving the wireless transmission at the signal receiver, to permit access based on the received transmission, and upon exceeding the predetermined usage limit, deauthorizing further access.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: March 4, 2014
    Assignee: Quadriga Worldwide Limited
    Inventor: Erik Gerardus Adriaan Kuijlaars