ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,217,894, issued on Feb. 4, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Rotary variable differential transformer" was invented by Paresh Sanchihar (Bangalore, India), Subramanian Esakki (Bangalore, India) and Vijayshekhar Araganji (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary variable differential transformer for measuring angular displacement and method of manufacturing the same are provided herein. The rotary variable differential transformer includes a stator configured to house a primary coil configured to receive an alternating current, a first secondary coil electromagnetically coupled to the primary ...