US Patent Issued to Western Digital Technologies on March 18 for "VCM PWM to linear mode transition offset optimization to improve PES" (Japanese, American Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,909, issued on March 18, was assigned to Western Digital Technologies Inc. (San Joes, Calif.).

"VCM PWM to linear mode transition offset optimization to improve PES" was invented by Jaesoo Byoun (Irvine, Calif.), Brian Johnson (Laguna Hills, Calif.), Hideaki Ito (Fujisawa, Japan), Gaku Ikedo (Fujisawa, Japan) and Naoyuki Kagami (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various illustrative aspects are directed to a data storage device comprising one or more disks, an actuator arm assembly comprising one or more disk heads and a voice coil motor (VCM), the VCM configured to operate in a PWM mode and a linear mode, and one or mo...