US Patent Issued to SEMICONDUCTOR COMPONENTS INDUSTRIES on Nov. 18 for "Igniter circuit having an adjustable over dwell time" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,475, issued on Nov. 18, was assigned to SEMICONDUCTOR COMPONENTS INDUSTRIES LLC (Scottsdale, Ariz.).

"Igniter circuit having an adjustable over dwell time" was invented by Hirotada Honma (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ignition system may include an igniter circuit to control the current in a coil supplied by a battery based on an input signal from an engine control unit. To prevent overheating, the igniter circuit may be configured to shut down the current in the coil when the input signal is held high for an over dwell period. The disclosed igniter circuit is configured with circuitry to automatically adjust the over dwell...