Patent ID: 11874166
Assignee: SENSORTEK TECHNOLOGY CORP.
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 0:
1. A light sensor circuit, which includes:
a photodiode with an anode and a cathode; and
an integration unit including an integration input terminal, an integration output terminal, and an integration capacitor; and
a capacitor unit including a holding capacitor, a switch element, a first side and a second side, wherein two ends of the holding capacitor are the first side and the second side of the capacitor unit, respectively;
wherein the cathode of the photodiode is coupled to the first side of the capacitor unit, the integration input terminal is coupled to the second side of the capacitor unit, the two ends of the integration capacitor are respectively coupled to the first side of the capacitor unit and the integration output terminal, and the switch element is coupled between the anode of the photodiode and the first side of the capacitor unit.