ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,688, issued on May 20, was assigned to Caavo Inc (Milpitas, Calif.).

"Device state determination based on power signatures" was invented by Andrew E. Einaudi (Scotts Valley, Calif.), Shivam Khandelwal (Jaipur, India), Ashish D. Aggarwal (Stevenson Ranch, Calif.) and Sharath H. Satheesh (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and apparatuses are described herein for the automatic determination of a state of a consumer electronic device via power monitoring. A switching device receives a power signature signal associated with a consumer electronic device. The power signature signal is compared to one or more ...