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Methods and systems for running multiple operating systems in a single mobile device

  • US 20060010314A1
  • Filed: 07/07/2004
  • Published: 01/12/2006
  • Est. Priority Date: 07/07/2004
  • Status: Active Grant
First Claim
Patent Images

1. A system allowing mobile device to run multiple operating systems and preserve the state and data of the original operating system, comprising the steps of:

  • Preparing a guest OS image;

    Packaging the image into a special host OS application or file;

    Starting a special boot loader for the host OS to read, unpack, load and start the guest OS image from the special host OS application;

    Preserving the current state and data of the host OS and starting the guest OS;

    Exiting from the guest OS, running exiting code to restore the system state and data to the original host OS and then return back to the host OS.

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