Patents by Inventor Yi-Jiun SHEN

Yi-Jiun SHEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250134621
    Abstract: A tooth surface laser processing method and a laser processing system for the same are provided. The laser processing method adapted for a tooth comprises the following steps. The tooth is first checked up to obtain tooth information so that one may determine whether the tooth is suitable for laser processing steps. A laser processing system is chosen according to the tooth information, and laser parameters are selected and loaded according to the part on the surface of the tooth and the degree required to be processed. The laser processing steps are performed on the surface of the tooth by the laser processing system to form a laser processed structure on the surface of the tooth. The laser processed structure comprises a plurality of micro-grooves and a plurality of micro-bumps therebetween.
    Type: Application
    Filed: March 26, 2024
    Publication date: May 1, 2025
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: HUNG-WEN CHEN, YI-JIUN SHEN, CHIA-HUNG CHOU, CHIEN-HUNG CHEN
  • Publication number: 20240383268
    Abstract: A laser colored product, a laser coloring method therefor, and a laser coloring system using the same are provided. The laser coloring method comprises the following steps. First, provide a processing workpiece which includes a processing part, and the processing part includes a pattern region. The processing part within the pattern region includes an inner portion and an outer layer, and the outer layer includes metal materials. Use the laser coloring system to irradiate the outer layer of the pattern region in stages to convert the outer layer of the pattern region into a metal color pattern layer. The metal color pattern layer includes metal materials or metal compounds of metal materials, and the metal color pattern layer includes a plurality of pixel units arranged in arrays, wherein each of the pixel units includes a pixel color, and each of the pixel units has a pixel width or a pixel length between 1 ?m to 500 ?m.
    Type: Application
    Filed: December 27, 2023
    Publication date: November 21, 2024
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Hung-Wen Chen, Chia-Hung Chou, Yi-Jiun Shen, Chien-Hung Chen
  • Publication number: 20240199372
    Abstract: Disclosed are techniques for elevator control. In one aspect, a sensor senses time series data. A system module identifies a feature point of a target object in the time series data, determines whether feature point coordinates of the feature point are located in an offset space, wherein the offset space has a spatial offset to a button, and sends a control signal if the offset space does not overlap with a first sensing range and the system module determines that the feature point coordinates are located in the offset space for a duration exceeding a first threshold time, or if the offset space overlaps with the first sensing range and the system module determines that the feature point coordinates are located in the offset space for a duration exceeding a second threshold time. An elevator floor controller receives the control signal and cancels the triggering of the button.
    Type: Application
    Filed: March 24, 2023
    Publication date: June 20, 2024
    Applicant: m'Al Touch Technology Co., Ltd.
    Inventors: Hung-Wen CHEN, Yi-Jiun SHEN, Chen-Wei HU
  • Publication number: 20230343060
    Abstract: Disclosed are techniques for elevator control. In an aspect, a sensor senses time series data, wherein the time series data includes at least one image, and range of the image covers a plurality of buttons. A system module configured to determine whether the image contains a target object; determine a tip coordinate of a tip of the target object when the image contains the target object, wherein the tip refers to a point of the target object with the closest distance to the operation panel; and determine button information corresponding to the tip coordinate among a plurality of button information, and transmit a control signal at least according to the button information, wherein the plurality of button information is associated with the plurality of buttons. A controller receives the control signal and perform control operation according to the control signal.
    Type: Application
    Filed: January 19, 2023
    Publication date: October 26, 2023
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Hung-Wen CHEN, Yi-Jiun SHEN, Chen-Wei HU
  • Patent number: 11599803
    Abstract: A soldering process method includes steps of: establishing a material component database; establishing a working parameter database; analyzing material and component characteristics required for a new soldering process; comparing the characteristics with information in the material component database; selecting operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; performing the soldering process using the operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; measuring and recording the soldering process execution information and the final product information; determining whether the final product of the solder process meets the quality control requirements; using the machine learning method to fit the soldering process execution information and the final product information of the solder process to get the operating parameters for the next sol
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 7, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shu-Han Wu, Hung-Wen Chen, Ren-Feng Ding, Yi-Jiun Shen, Yu-Cheng Su
  • Patent number: 11580665
    Abstract: An image positioning system based on upsampling and a method thereof are provided. The image positioning method based on upsampling is to fetch a region image covering a target from a wide region image, determine a rough position of the target, execute an upsampling process on the region image based on neural network data model for obtaining a super-resolution region image, map the rough position onto the super-resolution region image, and analyze the super-resolution region image for determining a precise position of the target. The present disclosed example can significantly improve the efficiency of positioning and effectively reduce the required cost of hardware.
    Type: Grant
    Filed: December 14, 2019
    Date of Patent: February 14, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yu-Cheng Su, Qi-Ming Huang, Yi-Jiun Shen, Hung-Wen Chen
  • Patent number: 11338441
    Abstract: A calibration system for robot tool including a robot arm adopting a first coordinate system, a tool arranged on a flange of the robot arm, and an imaging device adopting a second coordinate system is disclosed, wherein an image sensing area is established by the image device. A calibration method is also disclosed and includes steps of: controlling the robot arm to move for leading a tool working point (TWP) of the tool enters the image sensing area; recording a current gesture of the robot arm as well as a specific coordinate of the TWP currently in the second coordinate system; obtaining a transformation matrix previously established for describing a relationship between the first and the second coordinate systems; and importing the specific coordinate and the current gesture to the transformation matrix for calculating an absolute position of the TWP in the first coordinate system.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 24, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yi-Jiun Shen, Yu-Ru Huang, Hung-Wen Chen
  • Publication number: 20200198146
    Abstract: A calibration system for robot tool including a robot arm adopting a first coordinate system, a tool arranged on a flange of the robot arm, and an imaging device adopting a second coordinate system is disclosed, wherein an image sensing area is established by the image device. A calibration method is also disclosed and includes steps of: controlling the robot arm to move for leading a tool working point (TWP) of the tool enters the image sensing area; recording a current gesture of the robot arm as well as a specific coordinate of the TWP currently in the second coordinate system; obtaining a transformation matrix previously established for describing a relationship between the first and the second coordinate systems; and importing the specific coordinate and the current gesture to the transformation matrix for calculating an absolute position of the TWP in the first coordinate system.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Yi-Jiun SHEN, Yu-Ru HUANG, Hung-Wen CHEN
  • Publication number: 20200193635
    Abstract: An image positioning system based on upsampling and a method thereof are provided. The image positioning method based on upsampling is to fetch a region image covering a target from a wide region image, determine a rough position of the target, execute an upsampling process on the region image based on neural network data model for obtaining a super-resolution region image, map the rough position onto the super-resolution region image, and analyze the super-resolution region image for determining a precise position of the target. The present disclosed example can significantly improve the efficiency of positioning and effectively reduce the required cost of hardware.
    Type: Application
    Filed: December 14, 2019
    Publication date: June 18, 2020
    Inventors: Yu-Cheng SU, Qi-Ming HUANG, Yi-Jiun SHEN, Hung-Wen CHEN
  • Publication number: 20200082278
    Abstract: A soldering process method includes steps of: establishing a material component database; establishing a working parameter database; analyzing material and component characteristics required for a new soldering process; comparing the characteristics with information in the material component database; selecting operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; performing the soldering process using the operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; measuring and recording the soldering process execution information and the final product information; determining whether the final product of the solder process meets the quality control requirements; using the machine learning method to fit the soldering process execution information and the final product information of the solder process to get the operating parameters for the next sol
    Type: Application
    Filed: March 18, 2019
    Publication date: March 12, 2020
    Inventors: Shu-Han WU, Hung-Wen CHEN, Ren-Feng DING, Yi-Jiun SHEN, Yu-Cheng SU