ALEXANDRIA, Va., June 6 -- United States Patent no. RE50,400, issued on April 22, was assigned to DIVX LLC (San Diego).
"Playback synchronization across playback devices" was invented by William David Amidei (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for synchronizing the playback of streamed content on multiple playback devices is disclosed. The systems and methods include receiving time information based on a network time source in the playback devices connected to a defined network. The playback clock in each playback device is set based upon the time information. A first playback device then generates presentation time information including a start time for playback and...