Enables multiple devices of a same user to logon automatically. An example of a method includes: registering the user and the user's multiple user devices with a Multiple Device Authentication (MDA) apparatus; authenticating at least one of the user's registered devices by the MDA apparatus and selecting...http://www.google.com.tw/patents/US20050091539?utm_source=gb-gplus-share專利 US20050091539 - Supporting auto-logon for multiple devices
