公开(公告)号：USD1053812S1

公开(公告)日：2024-12-10

申请号：US29882610

申请日：2023-01-17

Applicant: Delta Electronics, Inc.

Designer： Hui-Chun Chu ,  Ding-Jun Huang

公开(公告)号：US11342818B2

公开(公告)日：2022-05-24

申请号：US17102389

申请日：2020-11-23

Applicant: DELTA ELECTRONICS, INC.

Inventor： Ching-Hsiung Tsai ,  Chieh-Huang Lu ,  Jeng-Ping Lin ,  Hui-Chun Chu ,  Min-Ling Huang

IPC: G01B7/30 ,  H02K11/33 ,  H02P6/16 ,  G01D5/249

Abstract: A controlling method of an encoder includes: detecting a rotation angle of a rotor of a motor coupled to the encoder to generate a first counting trigger signal and a second counting trigger signal so as to perform a turn number counting procedure; determining whether a period that an operating voltage of a driving circuit of the motor is smaller than a threshold voltage exceeds a preset time; and when the period exceeds the preset time, controlling a switching unit of the encoder to allow a battery of the encoder to provide a backup voltage to the encoder such that the encoder enters a low power processing procedure.