ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,796, issued on Dec. 16, was assigned to Amazon Technologies Inc. (Seattle).
"Back-drive of motor based on position data" was invented by Hua Wang (Austin, Texas), Yi Li (Austin, Texas), Abhay Gupta (Santa Clara, Calif.), Ehsan Omidi (Fremont, Calif.), Shichang Liu (San Jose, Calif.), Kevin Zhang (Austin, Texas), Sanket Parikh (Leander, Texas) and Anchit Rastogi (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for controlling operations of a motor based on position errors are described. In an example, a user device sends an amount of electrical current to the motor to cause the motor to move. The user device also determines th...