Patents by Inventor Douglas Edward Lankford

Douglas Edward Lankford 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).

  • Security and transcoding system for transfer of content to portable devices
    Publication number: 20090097643
    Abstract: A system for passing content data from a subscription service to a portable media device is provided. The system has a set-top box for receiving the content data from the subscription service. A data storage device is operatively connected with the set-top box. A preprocessor is operatively connected to the data storage device. It applies encryption to the content data and has an output to the portable media device.
    Type: Application
    Filed: May 11, 2006
    Publication date: April 16, 2009
    Inventors: Kumar Ramaswamy, Douglas Edward Lankford