Patent ID: 11937350
Assignee: ON-BRIGHT ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The system of claim 1, wherein the control circuit includes:
a first resistor including a first resistor terminal and a second resistor terminal;
a second resistor including a third resistor terminal and a fourth resistor terminal, the third resistor terminal being connected to the second resistor terminal; and
a comparator including a first comparator input terminal, a second comparator input terminal, and a comparator output terminal;
wherein:
the first resistor terminal is configured to receive the rectified voltage; and
the fourth resistor terminal is configured to receive a ground voltage;

wherein:
the first comparator input terminal is coupled to the second resistor terminal and the third resistor terminal and configured to receive the input voltage;
the second comparator input terminal is configured to receive a threshold voltage; and
the comparator output terminal is configured to output the control signal based at least in part on the input voltage and the threshold voltage.