Patent ID: 11924562
Assignee: OMNIVISION SENSOR SOLUTION (SHANGHAI) CO., LTD
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The image sensor according to claim 4, wherein the current adapter sub-module comprises:
a first amplifier and a first transistor, an input end of the first amplifier being coupled to a source electrode of the first transistor, an output end of the first amplifier being coupled to a gate electrode of the first transistor, the first amplifier and the first transistor forming a negative feedback circuit for maintaining the photo current detection signal line at a fixed voltage;
a second transistor, a source electrode of which is coupled to a drain electrode of the first transistor; and
a third transistor, a drain electrode and a gate electrode of which are coupled to a drain electrode and a gate electrode of the second transistor respectively, a source electrode of which is coupled to the triggering generation sub-module, so as to transmit the photo current from the photo current detection signal line to the triggering generation sub-module.