A method and system for updating or recovering a computer device's software image using a single portable operating system image stored on a bootable, secure partition on local storage (hard drive); a method and system utilizing delta image patching technology to allow the single image to work on a large...http://www.google.fr/patents/US8145940?utm_source=gb-gplus-shareBrevet US8145940 - Method and system for updating a software image
