Patent ID: 11881731
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 11:
12. A method for waking-up the slave controller of the control system according to claim 9, the method comprising:
receiving, via the photo-sensitive element, a first light signal from the light source and generating, in response to receiving the first light signal, a wake-up signal;
in response to the wake-up signal, starting, by the counter, counting and connecting, by the wake-up circuit, the receiver circuit to the power supply node and/or the photo-sensitive element; and
stopping, by the counter, counting in response to the one of the reception signals output from the photo-sensitive element to the receiver circuit in response to receiving, via the photo-sensitive element, a second light signal.