ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,823, issued on Oct. 21, was assigned to INVENTUS Engineering GmbH (St. Anton i.M., Austria).
"Haptic operating device comprising a magnetorheological braking device and a rotatable operating part for vehicles" was invented by Stefan Battlogg (St. Anton i.M., Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A haptic operating device for vehicles. The device has a rotatable operating part, a magnetic field source, and a magnetorheological braking device for braking a rotational movement of the operating part. The magnetorheological braking device has two braking components which can be rotated relative to one another and one of which is coupled ...