US Patent Issued to Hanchett Entry Systems on March 3 for "Solenoid assembly with included constant-current controller circuit" (Arizona Inventor)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,526, issued on March 3, was assigned to Hanchett Entry Systems Inc. (Phoenix).

"Solenoid assembly with included constant-current controller circuit" was invented by Randall Shaffer (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "A constant-current control circuit comprising a switching circuit including a source voltage, and primary and secondary switches is provided. The primary GaNFET switch is connected with a solenoid assembly coil. The secondary switch is connected with the coil which has an inductance. From t0 to ton, the primary GaNFET switch is closed and the secondary switch is open, the source voltage is applied across the coil, an...