This invention is about a universal remote-controllable theft-proof device. Its main functions include single user mode and multi-user mode, and both modes can set theft-proof state on each part (the default picture is shown on the screen) of one or more subjects that are being monitored. It will notify...http://www.google.com/patents/US20070080780?utm_source=gb-gplus-sharePatent US20070080780 - Universal remote-controllable theft-proof device