Patents by Inventor Mark D. Mattox

Mark D. Mattox 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).

  • Validating client-receivers
    Patent number: 7861082
    Abstract: In a subscriber television system having a headend, a server, and plurality of client-receivers, the server, which is remote from the headend, is adapted to receive a validation-message from one or more client-receivers. The validation-message includes content and an authentication-token. The server validates that the sender of the validation-message is a valid client-receiver of the subscriber television system using an authentication-token and a validator that is known to both the server and to at least one of the client-receivers.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: December 28, 2010
    Inventors: Howard G. Pinder, Anthony J. Wasilewski, Mark D. Mattox
  • Apparatus for encryption key management
    Patent number: 7200868
    Abstract: An apparatus and a receiver, which is in a broadband communication system, includes the logic necessary for protecting keys used for encrypting content that is received by the receiver. The apparatus validates the keys and denies the receiver the use of the keys if they become invalid.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: April 3, 2007
    Assignee: Scientific-Atlanta, Inc.
    Inventors: Mark D. Mattox, Anthony J. Wasilewski
  • Validating client-receivers
    Publication number: 20040237100
    Abstract: In a subscriber television system having a headend, a server, and plurality of client-receivers, the server, which is remote from the headend, is adapted to receive a validation-message from one or more client-receivers. The validation-message includes content and an authentication-token. The server validates that the sender of the validation-message is a valid client-receiver of the subscriber television system using an authentication-token and a validator that is known to both the server and to at least one of the client-receivers.
    Type: Application
    Filed: June 22, 2004
    Publication date: November 25, 2004
    Inventors: Howard G. Pinder, Anthony J. Wasilewski, Mark D. Mattox
  • Apparatus for encryption key management
    Publication number: 20040052377
    Abstract: An apparatus and a receiver, which is in a broadband communication system, includes the logic necessary for protecting keys used for encrypting content that is received by the receiver. The apparatus validates the keys and denies the receiver the use of the keys if they become invalid.
    Type: Application
    Filed: September 12, 2002
    Publication date: March 18, 2004
    Inventors: Mark D. Mattox, Anthony J. Wasilewski