ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,340, issued on Nov. 11, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).
"Noise emission reduction system" was invented by Suresh Prabu Vellaiyandi (Bangalore, India) and Soorya R (Bangalore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise emission reduction system includes a solenoid couplable to a shielding member, and to a frame of a vehicle. The solenoid is controllable to induce vibration of the shielding member in relation to the frame of the vehicle. A microphone is configured to receive sound emitted by a noise source. An accelerometer is couplable to the frame and a controller is coupled to the solenoid, to the microphon...