Patents by Inventor Raja Venkatachalam

Raja Venkatachalam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • BIOS based secure execution environment
    Patent number: 7987512
    Abstract: Techniques to provide a secure execution environment are described. In an implementation, a method includes initiating a hardware interrupt by an embedded controller of a computing device. In response to the interrupt, a module is executed that is stored in a basic input/output system (BIOS). The module, when executed, determines whether constrain functionality of the computing device based on a balance.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: July 26, 2011
    Assignee: Microsoft Corporation
    Inventors: Raja Venkatachalam, Ricardo Lopez-Barquilla, Zhangwei Xu, Curt A. Steeb
  • BIOS Based Secure Execution Environment
    Publication number: 20070271597
    Abstract: Techniques to provide a secure execution environment are described. In an implementation, a method includes initiating a hardware interrupt by an embedded controller of a computing device. In response to the interrupt, a module is executed that is stored in a basic input/output system (BIOS). The module, when executed, determines whether constrain functionality of the computing device based on a balance.
    Type: Application
    Filed: May 19, 2006
    Publication date: November 22, 2007
    Applicant: Microsoft Corporation
    Inventors: Raja Venkatachalam, Ricardo Lopez-Barquilla, Zhangwei Xu, Curt A. Steeb