ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,235, issued on May 20, was assigned to Covidien LP (Mansfield, Mass.).

"Systems and methods for video-based monitoring of a patient" was invented by Paul S. Addison (Edinburgh, Great Britain) and Keith Batchelder (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of medical monitoring, and in particular non-contact monitoring and communication with other medical monitoring devices. Systems and methods are described for receiving a video signal of a medical monitoring device that is outputting a light signal, identifying the light signal emitted by the medical monitoring device from the video signal, d...