Patent ID: 11915719
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A data storage device, comprising:
one or more disks;
an actuator mechanism configured to position one or more heads proximate to the one or more disks;
a spindle motor configured for rotating the one or more disks; and
one or more processing devices comprising a servo control processor, wherein the servo control processor comprises a closed-loop control system and is configured to:
receive a spindle speed error signal indicative of an error in a rotational speed of the spindle motor;
output an initial frequency offset signal, wherein the initial frequency offset signal is proportional to the spindle speed error signal; and
receive the initial frequency offset signal proportional to the spindle speed error signal as an input to the closed-loop control system.