Handwheel control circuit for lens focusing

Abstract

The present disclosure provides a handwheel control circuit for lens focusing, comprising a central processing chip, a master control chip, a keypad circuit, and a power system on/off circuit. The central processing chip is used to receive a power-on signal. The master control chip is communicatively connected to the central processing chip. The first end of the keypad circuit is connected to the central processing chip, for sending a power-on signal to the central processing chip for power supply. The first end of the power system on/off circuit is connected to the central processing chip, and the second end of the power system on/off circuit is connected to the second end of the keypad circuit. When the keypad circuit receives a power-on signal, it sends the signal to the power system on/off circuit, enabling the circuit to supply power to the central processing chip and the master control chip. The master control chip sends angle information data to the motor drive control circuit. The handwheel control circuit provided by the present disclosure sends angle information monitoring the rotation of the handwheel to the motor drive control circuit, achieving automatic control.

Dependencies are inferred from the claim text.