US Patent Issued to DE'LONGHI APPLIANCES S.R.L. CON UNICO SOCIO on Oct. 21 for "Control method and circuit for a direct current motor for an infusion unit of a machine for preparing coffee beverages" (Italian Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,823, issued on Oct. 21, was assigned to DE'LONGHI APPLIANCES S.R.L. CON UNICO SOCIO (Treviso, Italy).

"Control method and circuit for a direct current motor for an infusion unit of a machine for preparing coffee beverages" was invented by Paolo Evangelisti (Treviso, Italy), Alberto Acciari (Treviso, Italy) and Davide Bonotto (Treviso, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described here concern a method to control a direct current motor powered by an alternating supply voltage, which provides to detect the instant of the zero-crossing of the supply voltage and to selectively activate a switch device to power the motor by t...