ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,865, issued on May 5.

"Roller based accelerometer" was invented by Tilak Srinivasan (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller-based accelerometer (100) is disclosed and includes an enclosure (1). A hub (2) is defined at a center of the enclosure (1), concentric to an inner surface (1a) of the enclosure (1). A bearing (3) is rotatably housed in the hub (2). An arm (4) is fixedly connected to the bearing (3). The arm (4) is configured displace within the enclosure (1). A plurality of sensors (6) is mounted on the enclosure (1). A roller (5) is positioned at a free end of the arm (4), contacting the inner surface (1a) of t...