Patent ID: 9228555
Filing Date: 2016-01-05
CPC Classification: F02N,F02P

Claim Text:
1. An engine ignition control device, including: a pulser; and a control unit, including a micro control unit (MCU) and a printed circuit board (PCB), wherein the PCB is electrically connected to the micro control unit and includes a back porch signal generating circuit, the back porch signal generating circuit is electrically connected to the micro control unit, and includes a bipolar junction transistor (BJT), an emitter (E) of the bipolar junction transistor is electrically connected to the pulser, a collector (C) of the bipolar junction transistor is electrically connected to the micro control unit, and a base (B) of the bipolar junction transistor is increased to a predetermined voltage level that is larger than 0V; wherein the PCB further includes a voltage divider circuit and a front porch signal generating circuit, the front porch signal generating circuit is connected in parallel with the back porch signal generating circuit, and then serially connecting with the voltage divider circuit, the voltage divider circuit is electrically connected to the pulser, the front porch signal generating circuit is electrically connected to the micro control unit and the emitter (E) of the bipolar junction transistor of the back porch signal generating circuit is electrically connected to the pulser through the voltage divider circuit.