ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,452, issued on Nov. 11, was assigned to Adeia Guides Inc. (San Jose, Calif.).
"Systems and methods for inserting supplemental content into a quadrature amplitude modulation signal using existing bandwidth" was invented by Michael McCarty (Agoura Hills, Calif.) and Glen E. Roe (Simi Valley, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are described herein for inserting supplemental content into a QAM signal. A unicast QAM signal between a server and a client device for delivery of content is established. The QAM signal has a particular frequency corresponding to the channel on which it will be transmitted to the client de...