Patent ID: 11881138
Assignee: SHANGHAI AVIC OPTOELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 6:
7. The drive circuit of claim 6, wherein the excitation unit comprises a main control chip and an excitation circuit, and the excitation circuit comprises a first excitation device and a second excitation device;
a first drive terminal of the first excitation device is electrically connected to a first control terminal of the main control chip, a second drive terminal of the first excitation device is electrically connected to the first detection terminal, an input terminal of the first excitation device is electrically connected to a third power supply terminal of the main control chip, and an output terminal of the first excitation device is electrically connected to the second signal line; and
a first drive terminal of the second excitation device is electrically connected to a second control terminal of the main control chip, a second drive terminal of the second excitation device is electrically connected to the second detection terminal, an input terminal of the second excitation device is electrically connected to a fourth power supply terminal of the main control chip, and an output terminal of the second excitation device is electrically connected to the first signal line.