Patent 7868682 was granted and assigned to Keihin Corporation on January, 2011 by the United States Patent and Trademark Office.
According to an embodiment of the present invention, an insulating communication circuit includes a first insulating circuit 62#11 having first and second circuits, a second insulating circuit 62#12 having third and fourth circuits, and a communication interface that is connected to a first ground and transmits a signal to the first circuit based on a communication signal and a clock signal from an external control device.