Patents by Inventor William J. Helvig

William J. Helvig 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).

  • Digital-channel-monitor unit
    Publication number: 20090154369
    Abstract: A digital-channel-monitoring unit (DCMU) suitable for use in a coaxial-broadband network. The DCMU monitors quality, and integrity of digital and analog Radio Frequency (RF) channels from one or more remote locations in the network. These remote locations include one or more strategic locations between the headend, and a subscriber's premises, such as a business or home.
    Type: Application
    Filed: June 9, 2008
    Publication date: June 18, 2009
    Inventors: William J. Helvig, Richard C. Downs