ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,993, issued on Sept. 15, was assigned to Reed Semiconductor Corp. (Warwick, R.I.).

"Voltage reference apparatus and control method" was invented by Hal Chen (Short Hills, N.J.), Jialun Du (Powell, Ohio) and Jiwei Fan (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a first resistor, a first negative threshold transistor, a second resistor and a second negative threshold transistor coupled in series between a first voltage bus and a second voltage bus, and a first positive threshold transistor connected between a common node of the second resistor and the first negative threshold transistor, and the first voltage bus,...