ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,999, issued on March 17, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).
"Speed control of actuator arm and spindle in a data storage device" was invented by Triet Tieu (Milipitas, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data storage device comprises a disk; a spindle on which the disk is mounted; a spindle motor that rotates the spindle; an actuator arm configured with a recording head; and an actuator that rotates the actuator arm about a pivot to move the actuator arm radially across a disk surface. Control circuitry controls the actuator to move the actuator arm across the disk surface while simultaneously ...