ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,852, issued on July 21, was assigned to TATA CONSULTANCY SERVICES Ltd. (Mumbai, India).

"System and method for voice based controlling a tele-robot in a multi-user telepresence session" was invented by Abhijan Bhattacharyya (Kolkata, India), Ashis Sau (Kolkata, India), Suraj Kumar Mahato (Kolkata, India), Snehasis Banerjee (Kolkata, India) and Madhurima Ganguly (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Complexity of voice based control of tele-robots increases when used in collaborative multi-presence systems, as tele-robot fail to differentiate between operator and observers, and hence may end up executing command from wrong ...