Calibration method and device for motion step number of lifting motor and mobile terminal

Calibration method and device for motion step number of lifting motor and mobile terminal

The invention discloses a calibration method and device for the motion step number of a lifting motor and a mobile terminal. The method comprises: controlling the lifting motor to drive a camera to repeatedly ascend and descend according to the preset operation step number; in the lifting process, c...

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Hauptverfasser: LIU ZHANGYU, LIN KUNHAI, LIU ZEDONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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creator LIU ZHANGYU
LIN KUNHAI
LIU ZEDONG
description The invention discloses a calibration method and device for the motion step number of a lifting motor and a mobile terminal. The method comprises: controlling the lifting motor to drive a camera to repeatedly ascend and descend according to the preset operation step number; in the lifting process, controlling the first Hall sensor to collect a first Hall value of a magnetic field of the camera, and controlling the second Hall sensor to collect a second Hall value of the magnetic field of the camera; determining whether locked-rotor of the lifting motor occurs or not according to the first Hallvalue and the second Hall value; adjusting the value of the operation step number according to the determination result, and repeatedly executing all the steps according to the adjusted operation step number until the determination result is changed; and obtaining the running step number of the lifting motor with no locked-rotor or the running step number of the lifting motor with no locked-rotorat the previous moment as
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
title Calibration method and device for motion step number of lifting motor and mobile terminal
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