US Patent Issued to Apple on Oct. 27 for "Backpower-resistant current sensing systems and methods" (British Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,031, issued on Oct. 27, was assigned to Apple Inc. (Cupertino, Calif.).

"Backpower-resistant current sensing systems and methods" was invented by Deepesh H Kamani (Swindon, Great Britain), Michael P Wigley (Swindon, Great Britain), Ramakrishna Ravi (Swindon, Great Britain) and Vincenzo Bisogno (Swindon, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed towards systems and methods that may prevent backpowering of a voltage source during a current monitoring operation. In a first example circuit, a switch may be used to mitigate an offset voltage of an operational amplifier. In a second and third example, a resis...