Abstract: A method for correcting an angle sensor is applied to a step motor including an angle sensor, where the angle sensor rotates with the step motor, and the method for correcting an angle sensor includes the following steps: rotating the step motor by a preset angle to a first position; reading a first voltage of the angle sensor when the angle sensor is rotated to the first position; determining whether the first voltage deviates from a preset voltage curve; if yes, recording a first offset of the first voltage relative to the preset voltage curve; and compensating for a sensing angle of the angle sensor according to the first offset. A device for correcting an angle sensor is further provided.

Abstract: A method for correcting an angle sensor is applied to a step motor including an angle sensor, where the angle sensor rotates with the step motor, and the method for correcting an angle sensor includes the following steps: rotating the step motor by a preset angle to a first position; reading a first voltage of the angle sensor when the angle sensor is rotated to the first position; determining whether the first voltage deviates from a preset voltage curve; if yes, recording a first offset of the first voltage relative to the preset voltage curve; and compensating for a sensing angle of the angle sensor according to the first offset. A device for correcting an angle sensor is further provided.

Abstract: Provided is a method of preparing a powdery diacetal clarifying agent, which comprises mixing an aromatic aldehyde, a polyol, and an acid catalyst in an organic polar solvent, adding a hydrogenating agent and an inorganic silicon-containing agent into the foregoing mixture, and filtering the mixture. The powdery diacetal clarifying agent prepared by the method can have excellent flowability, dispersability, thermal resistance, and color stability. Accordingly, the powdery diacetal clarifying agent does not release stinking odor and incur yellowing at high temperature, allowing the plastic articles to have improved appearance and visual appeal.

Abstract: A remote control method, and a remote control system and a gateway for implementing the method are provided. The method includes receiving, by a remote control device, a plurality of ultra-wideband signals transmitted by a main control device to calculate position data; calculating, by the remote control device, rotation vector data according to detection data of the remote control device; transmitting, by the remote control device, the rotation vector data and the position data to the main control device to allow the main control device to identify an electronic device the remote control device aims at and transmit control information corresponding to the electronic device to the remote control device according to the rotation vector data and the position data; and displaying, by the remote control device, a control interface for controlling the electronic device according to the received control information.

Abstract: A remote control method, and a remote control system and a gateway for implementing the method are provided. The method includes receiving, by a remote control device, a plurality of ultra-wideband signals transmitted by a main control device to calculate position data; calculating, by the remote control device, rotation vector data according to detection data of the remote control device; transmitting, by the remote control device, the rotation vector data and the position data to the main control device to allow the main control device to identify an electronic device the remote control device aims at and transmit control information corresponding to the electronic device to the remote control device according to the rotation vector data and the position data; and displaying, by the remote control device, a control interface for controlling the electronic device according to the received control information.

Abstract: Provided are a powdery diacetal clarifying agent and a method of preparing the same. The powdery diacetal clarifying agent comprises a diacetal compound and an inorganic silicon-containing compound having a pH value equal to or more than 6 and equal to or less than 12. The powdery diacetal clarifying agent of the composition can have excellent flowability, dispersability, thermal resistance, and color stability. Accordingly, the powdery diacetal clarifying agent does not release stinking odor and incur yellowing at high temperature, allowing the plastic articles to have improved appearance and visual appeal.

Abstract: Provided is a method of preparing a powdery diacetal clarifying agent, which comprises mixing an aromatic aldehyde, a polyol, and an acid catalyst in an organic polar solvent, adding a hydrogenating agent and an inorganic silicon-containing agent into the foregoing mixture, and filtering the mixture. The powdery diacetal clarifying agent prepared by the method can have excellent flowability, dispersability, thermal resistance, and color stability. Accordingly, the powdery diacetal clarifying agent does not release stinking odor and incur yellowing at high temperature, allowing the plastic articles to have improved appearance and visual appeal.

Abstract: Provided are a powdery diacetal clarifying agent and a method of preparing the same. The powdery diacetal clarifying agent comprises a diacetal compound and an inorganic silicon-containing compound having a pH value equal to or more than 6 and equal to or less than 12. The powdery diacetal clarifying agent of the composition can have excellent flowability, dispersability, thermal resistance, and color stability. Accordingly, the powdery diacetal clarifying agent does not release stinking odor and incur yellowing at high temperature, allowing the plastic articles to have improved appearance and visual appeal.