ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,116, issued on April 14, was assigned to Dell Products LP (Round Rock, Texas).
"Low acoustic mouse scroll wheel" was invented by Peng Lip Goh (Singapore) and Deeder M. Aurongzeb (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An information handling system peripheral mouse accepts scroll inputs at a scroll wheel extending from the upper surface of the mouse. The scroll wheel rotates about an axis and has a chamber inside a the wheel that is filled with MR fluid having particles that interact with a magnetic field so that the viscosity of the fluid varies based upon the presence of a magnetic field. A sliding magnet carrier moves magne...