Patents by Inventor Lawrence Robert COOK

Lawrence Robert COOK 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).

  • Selective MPEG packet encryption and decryption based upon data and security priorities
    Patent number: 11778251
    Abstract: A cable distribution system that includes a head end connected to a plurality of customer devices through a transmission network that includes a remote fiber node that converts digital data to analog data suitable for the plurality of customer devices, where the head end includes a processor. A packetized elementary stream of a video is provided from the head end to customer devices through the transmission network, wherein the packetized elementary stream includes a plurality of groups comprising pairs of packetized elementary stream headers and packetized elementary stream payloads. A first one of the plurality of groups corresponding to a non-predicted coded picture of the video of the packetized elementary stream is determined. The first one of the plurality of groups is encrypted while not encrypting all of the plurality of groups of the video.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: October 3, 2023
    Assignee: ARRIS Enterprises LLC
    Inventors: Lawrence Robert Cook, Mark Steven Schmidt
  • SELECTIVE MPEG PACKET ENCRYPTION AND DECRYPTION BASED UPON DATA AND SECURITY PRIORITIES
    Publication number: 20210392385
    Abstract: A cable distribution system that includes a head end connected to a plurality of customer devices through a transmission network that includes a remote fiber node that converts digital data to analog data suitable for the plurality of customer devices, where the head end includes a processor. A packetized elementary stream of a video is provided from the head end to customer devices through the transmission network, wherein the packetized elementary stream includes a plurality of groups comprising pairs of packetized elementary stream headers and packetized elementary stream payloads. A first one of the plurality of groups corresponding to a non-predicted coded picture of the video of the packetized elementary stream is determined. The first one of the plurality of groups is encrypted while not encrypting all of the plurality of groups of the video.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 16, 2021
    Inventors: Lawrence Robert COOK, Mark Steven SCHMIDT