Patent ID: 11967170
Assignee: CHIPONE TECHNOLOGY (BEIJING) CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The biometric information acquisition system according to claim 4, wherein the processing device further comprises:
a processing unit, configured to provide a control signal;
a control unit, configured to turn on a corresponding row of photodiodes in the array according to the control signal, wherein each one of the photodiodes is configured to convert received light into a corresponding one of the electrical signals when that photodiode is turned on;
and
a conversion unit, configured to generate the digital signal according to the analog voltage signal and transmit the digital signal to the processing unit,
wherein, the processing unit is configured to obtain the image to be detected representing the biometric characteristic information according to the digital signal.