ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,441, issued on Oct. 21.
"Velocity detection for motion conductor in magnetic field" was invented by Hans K Liu (Vernon Hills, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Velocity detection is the crucial step for motion feedback and control. A dynamic loudspeaker can be conceptualized as a motion conductor within magnetic field. This invention calculates the velocity of a motion conductor, uses operational amplifier to emulate the calculation and realize the velocity detection."
The patent was filed on May 8, 2023, under Application No. 18/313,899.
*For further information, including images, charts and tables, please visit: http://patft.us...