US Patent Issued to STMicroelectronics International on Nov. 3 for "HDD preamplifier writer and method of calibrating thereof" (Italian Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,769, issued on Nov. 3, was assigned to STMicroelectronics International N.V. (Geneva).

"HDD preamplifier writer and method of calibrating thereof" was invented by Matteo Alessio Traldi (Milan), Paolo Pulici (Lainate Mi, Italy), Alberto Vangelista (Milan) and Davide Morello (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preamplifier circuit of a hard disk drive, the preamplifier circuit includes a writer circuit configured to generate a two-level current signal for driving a magnetic head of the hard disk drive. The two-level current signal includes a steady-state current and an overshoot current. The writer circuit includes a driver circuit ...