Patents by Inventor Carl J. Ludewig

Carl J. Ludewig 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).

  • Patent number: 7269854
    Abstract: A system and method for enabling a user to request and download selected media files from distributed content provider sites via the Internet. The system includes a plurality of user sites each including a player/receiver housed in an enclosure having a simple user interface, a plurality of content provider sites, and a transaction server site. The player/receiver enables the user to connect to the transaction server via the Internet to access a program guide listing available media files. The user is then able to select a desired file and, via the player/receiver and Internet, request the transaction server to authorize download of the selected file. The file request along with file encryption and transfer instructions are sent from the transaction server via the Internet to the content provider site storing the requested file. Requested files are then dynamically encrypted by the content provider site and securely downloaded to the requesting player/receiver.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: September 11, 2007
    Inventors: Selwyn D. Simmons, Carl J. Ludewig
  • Publication number: 20010039659
    Abstract: A system and method for enabling a user to request and download selected media files from distributed content provider sites via the Internet. The system includes a plurality of user sites each including a player/receiver housed in an enclosure having a simple user interface, a plurality of content provider sites, and a transaction server site. The player/receiver enables the user to connect to the transaction server via the Internet to access a program guide listing available media files. The user is then able to select a desired file and, via the player/receiver and Internet, request the transaction server to authorize download of the selected file. The file request along with file encryption and transfer instructions are sent from the transaction server via the Internet to the content provider site storing the requested file. Requested files are then dynamically encrypted by the content provider site and securely downloaded to the requesting player/receiver.
    Type: Application
    Filed: February 20, 2001
    Publication date: November 8, 2001
    Inventors: Selwyn D. Simmons, Carl J. Ludewig