Patent ID: 11961470
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. The correction method of claim 6, further comprising:
calculating a correction value of the operation amplifier, which comprises:
supplying a second voltage signal from the first signal terminal to the in-phase input terminal of the operation amplifier by controlling the first switch, the third switch and the sixth switch to be turned on, and the second switch, the fourth switch and the fifth switch to be turned off;
acquiring a second digitized output voltage signal at the second terminal of the analog-to-digital converter; and
calculating a correction value of the operation amplifier according to a second digitized voltage signal obtained after performing digital processing on the second voltage signal, the second digitized output voltage signal and the correction value of the analog-to-digital converter.