Patents by Inventor Cheng-Kai Huang
Cheng-Kai Huang 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).
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Patent number: 11892692Abstract: A light receiving and emitting module includes a sub-mount platform, a photoelectrical conversion component, a lens and a base. The sub-mount platform is made of silicon-based material and has first and second contact surfaces. The photoelectrical conversion component is disposed on the first contact surface. The lens is disposed on the second contact surface. The sub-mount platform is disposed on one side of the base. The first contact surface and second contact surface have therebetween a height difference, such that the photoelectrical conversion component matches the center of the lens. Further provided is a light receiving and emitting device including the light receiving and emitting module, a printed circuit board and a plurality of conducting wires. The conducting wires are electrically connected to the photoelectrical conversion component and printed circuit board. The conducting wires are disposed on at least two sides of the light receiving and emitting module.Type: GrantFiled: July 21, 2021Date of Patent: February 6, 2024Assignee: CLOUD LIGHT TECHNOLOGY LIMITEDInventors: Cheng-Kai Huang, Ming-Hsing Chung, Bo-Hong Ma, Chang-Hung Tien
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Patent number: 11656597Abstract: A method for recognizing a deburring trajectory, relevant to be performed by a controller or a computer, includes the steps of: according to a process flow of a workpiece, analyzing a CAD file of the workpiece, determining a burr processing area and obtaining a mathematical model of boundary contour curve; applying a linear contour sensor to scan the workpiece to obtain contour section information of the workpiece; performing curve fitting upon the contour section information of the workpiece and the mathematical model of boundary contour curve so as to obtain a boundary curve function; and, utilizing the boundary curve function to determine deburring position information of the workpiece and to further generate a processing path. In addition, a system for recognizing a deburring trajectory is also provided.Type: GrantFiled: March 5, 2021Date of Patent: May 23, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Kai Huang, Yi-Ying Lin, Bing-Cheng Hsu, Jan-Hao Chen
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Patent number: 11654584Abstract: An actuator includes a casing, an output disc, a transmission component, a cable, a power source, and a tension adjustment assembly. The output disc and the transmission component are rotatably disposed on the casing. The cable is disposed through the transmission component and connected to the output disc. The power source can drive the transmission component. The tension adjustment assembly includes a lever, an elastic component, and a slidable component. The lever has a first end and a second end opposite to each other. The first end is connected to the cable. The elastic component is connected to the casing and the second end of the lever. The slidable component is in contact with a portion of the lever located between the first end and the second end, and is slidable along the lever to change its position to adjust a tension of the cable.Type: GrantFiled: August 13, 2021Date of Patent: May 23, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Kai Huang, Zhi-Xiang Chen, Chi-Ying Lin, Chien-Ping Wu
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Publication number: 20230008909Abstract: An automated calibration system for the relation between a robot-arm coordinate frame and a profile-scanner coordinate frame includes a ball probe, a distance sensor module, a profile scanner and a control module. The ball probe is attached on a flange of a robot arm. The distance sensor module includes at least three distance sensors having respective axes sharing a common sensing plane and intersecting at a common point. The profile scanner is used for detecting a 2D cross-sectional profile of the ball probe. The control module is electrically connected with the distance sensor module, the profile scanner and the robot arm so as to control the robot arm to move the ball probe to obtain calibration information. In addition, an automated calibration method for the relation between the profile-scanner coordinate frame and the robot-arm coordinate frame is also provided.Type: ApplicationFiled: January 12, 2022Publication date: January 12, 2023Inventors: CHENG-KAI HUANG, ZHI-XIANG CHEN, JAN-HAO CHEN
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Publication number: 20220402149Abstract: An actuator includes a casing, an output disc, a transmission component, a cable, a power source, and a tension adjustment assembly. The output disc and the transmission component are rotatably disposed on the casing. The cable is disposed through the transmission component and connected to the output disc. The power source can drive the transmission component. The tension adjustment assembly includes a lever, an elastic component, and a slidable component. The lever has a first end and a second end opposite to each other. The first end is connected to the cable. The elastic component is connected to the casing and the second end of the lever. The slidable component is in contact with a portion of the lever located between the first end and the second end, and is slidable along the lever to change its position to adjust a tension of the cable.Type: ApplicationFiled: August 13, 2021Publication date: December 22, 2022Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Kai HUANG, Zhi-Xiang CHEN, Chi-Ying LIN, Chien-Ping WU
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Patent number: 11433541Abstract: An automated calibration system for a workpiece coordinate frame of a robot includes a physical image sensor having a first image central axis, and a controller for controlling the physical image sensor adapted on a robot to rotate by an angle to set up a virtual image sensor having a second image central axis. The first and the second image central axes are intersected at an intersection point. The controller controls the robot to repeatedly move back and forth a characteristic point on the workpiece between these two axes until the characteristic point overlaps the intersection point. The controller records a calibration point including coordinates of joints of the robot, then the controller moves another characteristic point and repeats the foregoing movement to generate several other calibration points. According to the calibration points, the controller calculates relative coordinates of a virtual tool center point and the workpiece to the robot.Type: GrantFiled: December 27, 2019Date of Patent: September 6, 2022Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chwen-Yi Yang, Cheng-Kai Huang, Jan-Hao Chen, Yi-Ying Lin, Bing-Cheng Hsu
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Patent number: 11374410Abstract: The present invention provides a chip comprising a circuit module, a power switch and a detection and control circuit. The power switch is coupled between a supply voltage and the circuit module, and is used to selectively connect the supply voltage to the circuit module, and control a current amount flowing into the circuit module according to at least a control signal. The detection and control circuit is coupled to the power switch, and is used to detect a first signal generated by a first circuit positioned surrounding the circuit module, and compare the first signal with a second signal in a real-time manner to generate the control signal to adjust the current amount flowing into the circuit module.Type: GrantFiled: November 4, 2020Date of Patent: June 28, 2022Assignee: Silicon Motion, Inc.Inventor: Cheng-Kai Huang
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Publication number: 20220176467Abstract: A method for recognizing a deburring trajectory, relevant to be performed by a controller or a computer, includes the steps of: according to a process flow of a workpiece, analyzing a CAD file of the workpiece, determining a burr processing area and obtaining a mathematical model of boundary contour curve; applying a linear contour sensor to scan the workpiece to obtain contour section information of the workpiece; performing curve fitting upon the contour section information of the workpiece and the mathematical model of boundary contour curve so as to obtain a boundary curve function; and, utilizing the boundary curve function to determine deburring position information of the workpiece and to further generate a processing path. In addition, a system for recognizing a deburring trajectory is also provided.Type: ApplicationFiled: March 5, 2021Publication date: June 9, 2022Inventors: CHENG-KAI HUANG, YI-YING LIN, BING-CHENG HSU, JAN-HAO CHEN
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Publication number: 20220155536Abstract: A light receiving and emitting module includes a sub-mount platform, a photoelectrical conversion component, a lens and a base. The sub-mount platform is made of silicon-based material and has first and second contact surfaces. The photoelectrical conversion component is disposed on the first contact surface. The lens is disposed on the second contact surface. The sub-mount platform is disposed on one side of the base. The first contact surface and second contact surface have therebetween a height difference, such that the photoelectrical conversion component matches the center of the lens. Further provided is a light receiving and emitting device including the light receiving and emitting module, a printed circuit board and a plurality of conducting wires. The conducting wires are electrically connected to the photoelectrical conversion component and printed circuit board. The conducting wires are disposed on at least two sides of the light receiving and emitting module.Type: ApplicationFiled: July 21, 2021Publication date: May 19, 2022Inventors: CHENG-KAI HUANG, MING-HSING CHUNG, BO-HONG MA, CHANG-HUNG TIEN
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Patent number: 11270427Abstract: A system for establishing a junction trace of an assembly includes a surface model creating module, a processing module, and a material inspection module. The assembly includes a first part and a second part assembled with each other. The surface model creating module scans the first part and the second part to separately establish first surface model data and second surface model data. The processing module establishes assembled surface model data according to the first surface model data and the second surface model data, determines a junction region from the assembled surface model data, and determines inspection points mapped on the assembly according to the junction region. The material inspection module inspects materials of the assembly at the inspection points. The processing module establishes a junction trace of the first part and the second part in the assembly according to a material inspection result.Type: GrantFiled: March 5, 2020Date of Patent: March 8, 2022Assignee: Industrial Technology Research InstituteInventors: Bing-Cheng Hsu, Cheng-Kai Huang, Jan-Hao Chen, Chwen-Yi Yang, Yi-Ying Lin
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Publication number: 20220063104Abstract: Firstly, a robotic arm drives a projection point of tool projected on test plane to perform relative movement relative to a reference point of a test plane. Then, conversion relationship is established according to the relative movement. Then, a tool axis vector relative to an installation surface reference coordinate system of the robotic arm is obtained. Then, calibration point information group obtaining step is performed, wherein the calibration point information group obtaining step includes: (a1) the robotic arm drives a tool center point to coincide with a reference point of the test plane and records calibration point information group; (a2) the robotic arm drives the tool to change angle of the tool; and (a3) steps (a1) and (a2) are repeated to obtain several calibration point information groups. Then, tool center point coordinate relative to the installation surface reference coordinate system is obtained according to the calibration point information groups.Type: ApplicationFiled: April 14, 2021Publication date: March 3, 2022Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Kai HUANG, Yi-Ying LIN, Bing-Cheng HSU, Jan-Hao CHEN
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Publication number: 20210209744Abstract: A system for establishing a junction trace of an assembly includes a surface model creating module, a processing module, and a material inspection module. The assembly includes a first part and a second part assembled with each other. The surface model creating module scans the first part and the second part to separately establish first surface model data and second surface model data. The processing module establishes assembled surface model data according to the first surface model data and the second surface model data, determines a junction region from the assembled surface model data, and determines inspection points mapped on the assembly according to the junction region. The material inspection module inspects materials of the assembly at the inspection points. The processing module establishes a junction trace of the first part and the second part in the assembly according to a material inspection result.Type: ApplicationFiled: March 5, 2020Publication date: July 8, 2021Applicant: Industrial Technology Research InstituteInventors: Bing-Cheng Hsu, Cheng-Kai Huang, Jan-Hao Chen, Chwen-Yi Yang, Yi-Ying Lin
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Publication number: 20210187745Abstract: An automated calibration system for a workpiece coordinate frame of a robot includes a physical image sensor having a first image central axis, and a controller for controlling the physical image sensor adapted on a robot to rotate by an angle to set up a virtual image sensor having a second image central axis. The first and the second image central axes are intersected at an intersection point. The controller controls the robot to repeatedly move back and forth a characteristic point on the workpiece between these two axes until the characteristic point overlaps the intersection point. The controller records a calibration point including coordinates of joints of the robot, then the controller moves another characteristic point and repeats the foregoing movement to generate several other calibration points. According to the calibration points, the controller calculates relative coordinates of a virtual tool center point and the workpiece to the robot.Type: ApplicationFiled: December 27, 2019Publication date: June 24, 2021Inventors: CHWEN-YI YANG, CHENG-KAI HUANG, JAN-HAO CHEN, YI-YING LIN, BING-CHENG HSU
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Patent number: 10926414Abstract: A system for calibrating tool center point of robot is provided, which may include a first image sensor, a second image sensor, and a controller. The first image sensor may have a first image central axis. The second image sensor may have a second image central axis not parallel to the first image central axis, and intersect the first image central axis at an intersection point. The controller may control a robot to repeatedly move a tool center point thereof between the first and the second image central axis. The controller may record a calibration point including the coordinates of the joints of the robot when the tool center point overlaps the intersection point, and then move the tool center point and repeat the above steps to generate several calibration points, whereby the controller may calculate the coordinate of the tool center point according to the calibration points.Type: GrantFiled: December 18, 2017Date of Patent: February 23, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Cheng-Kai Huang, Yeou-Bin Guu, Yi-Len Chen, Chwen-Yi Yang, Jan-Hao Chen
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Publication number: 20210050724Abstract: The present invention provides a chip comprising a circuit module, a power switch and a detection and control circuit. The power switch is coupled between a supply voltage and the circuit module, and is used to selectively connect the supply voltage to the circuit module, and control a current amount flowing into the circuit module according to at least a control signal. The detection and control circuit is coupled to the power switch, and is used to detect a first signal generated by a first circuit positioned surrounding the circuit module, and compare the first signal with a second signal in a real-time manner to generate the control signal to adjust the current amount flowing into the circuit module.Type: ApplicationFiled: November 4, 2020Publication date: February 18, 2021Inventor: Cheng-Kai Huang
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Patent number: 10868424Abstract: The present invention provides a chip comprising a circuit module, a power switch and a detection and control circuit. The power switch is coupled between a supply voltage and the circuit module, and is used to selectively connect the supply voltage to the circuit module, and control a current amount flowing into the circuit module according to at least a control signal. The detection and control circuit is coupled to the power switch, and is used to detect a first signal generated by a first circuit positioned surrounding the circuit module, and compare the first signal with a second signal in a real-time manner to generate the control signal to adjust the current amount flowing into the circuit module.Type: GrantFiled: June 13, 2018Date of Patent: December 15, 2020Assignee: Silicon Motion, Inc.Inventor: Cheng-Kai Huang
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Patent number: 10795102Abstract: A interconnection system includes a panel side kit and a wall-mount kit coupled with each other and secured together via magnetic forces. The wall-mount kit includes a printed circuit board enclosed within a bracket and defining a center region for power transmission and a pair of side regions for high speed transmission. In the side regions, on the coupling side a plurality of wireless transmission units are located while on the back side a plurality of ROSA OE modules are provided to transfer the optical signal from optical fibers to the electronic signal for wireless transmission wherein the optical fibers are linked to a control box via a plurality of TOSA EO modules. The panel side kit includes wireless receiving units that interact with the wireless transmission units, and a plurality of connectors with the body of the display.Type: GrantFiled: January 3, 2019Date of Patent: October 6, 2020Assignees: FUDING PRECISION COMPONENTS (SHENZHEN) CO., LTD, FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Shih-Wei Hsiao, Hsiu-Yuan Hsu, Wei-Chih Lin, Shuo-Hsiu Hsu, Yen-Hsu Ko, Chih-Chung Hsieh, Cheng-Kai Huang, Paul Chen, Genn-Sheng Lee, Jia-Hau Liu, Mao-Chun Weng, Wayne Chou
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Publication number: 20190235188Abstract: A interconnection system includes a panel side kit and a wall-mount kit coupled with each other and secured together via magnetic forces. The wall-mount kit includes a printed circuit board enclosed within a bracket and defining a center region for power transmission and a pair of side regions for high speed transmission. In the side regions, on the coupling side a plurality of wireless transmission units are located while on the back side a plurality of ROSA OE modules are provided to transfer the optical signal from optical fibers to the electronic signal for wireless transmission wherein the optical fibers are linked to a control box via a plurality of TOSA EO modules. The panel side kit includes wireless receiving units that interact with the wireless transmission units, and a plurality of connectors with the body of the display.Type: ApplicationFiled: January 3, 2019Publication date: August 1, 2019Inventors: SHIH-WEI HSIAO, HSIU-YUAN HSU, WEI-CHIH LIN, SHUO-HSIU HSU, YEN-HSU KO, CHIH-CHUNG HSIEH, CHENG-KAI HUANG, PAUL CHEN, GENN-SHENG LEE, JIA-HAU LIU, MAO-CHUN WENG, WAYNE CHOU
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Publication number: 20190140447Abstract: The present invention provides a chip comprising a circuit module, a power switch and a detection and control circuit. The power switch is coupled between a supply voltage and the circuit module, and is used to selectively connect the supply voltage to the circuit module, and control a current amount flowing into the circuit module according to at least a control signal. The detection and control circuit is coupled to the power switch, and is used to detect a first signal generated by a first circuit positioned surrounding the circuit module, and compare the first signal with a second signal in a real-time manner to generate the control signal to adjust the current amount flowing into the circuit module.Type: ApplicationFiled: June 13, 2018Publication date: May 9, 2019Inventor: Cheng-Kai Huang
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Publication number: 20190099887Abstract: A system for calibrating tool center point of robot is provided, which may include a first image sensor, a second image sensor, and a controller. The first image sensor may have a first image central axis. The second image sensor may have a second image central axis not parallel to the first image central axis, and intersect the first image central axis at an intersection point. The controller may control a robot to repeatedly move a tool center point thereof between the first and the second image central axis. The controller may record a calibration point including the coordinates of the joints of the robot when the tool center point overlaps the intersection point, and then move the tool center point and repeat the above steps to generate several calibration points, whereby the controller may calculate the coordinate of the tool center point according to the calibration points.Type: ApplicationFiled: December 18, 2017Publication date: April 4, 2019Inventors: Cheng-Kai Huang, Yeou-Bin Guu, Yi-Len Chen, Chwen-Yi Yang, Jan-Hao Chen