Patents by Inventor Ned W. Cogswell

Ned W. Cogswell 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).

  • Cable television with controlled signal substitution
    Patent number: 4331974
    Abstract: A signal substitution system for cable television applies substitute television program signals in at least one substitute channel to the transmission cable along with singal substitution control signals. The signal substitution control signals include a plurality of different terminal command signals and a plurality of different event command signals, each of the terminal command signals including a respective panelist address signal for identifying a respective panelist receiving station, and each of the event command signals including a normal channel identification signal for identifying a normal channel into which a substitute television program is to be switched. A controller at each panelist receiving station responds to the signal substitution control signals by selectively switching a substitute television program into a normal channel.
    Type: Grant
    Filed: October 21, 1980
    Date of Patent: May 25, 1982
    Assignee: Iri, Inc.
    Inventors: Ned W. Cogswell, Gerald J. Eskin, W. Andrew Wright, Jr.