Patents by Inventor Cheng-Hao Huang
Cheng-Hao 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: 12083679Abstract: A stabilization method incorporated with a mobile robot having a body, a plane-pressure sensor, and a movement mechanism is disclosed and includes the following steps: sensing and obtaining a pressure distribution of the body through the plane-pressure sensor; computing a center of gravity (CoG) position of the body in accordance with the pressure distribution; determining whether the CoG position is located within a steady zone pre-defined upon the body; and, providing a reverse force toward a CoG offset direction of the CoG position when the CoG position is determined to be off the steady zone.Type: GrantFiled: August 4, 2022Date of Patent: September 10, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Cheng-Hao Huang, Po-Chiao Huang, Han-Ching Lin, Shi-Yu Wang
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Patent number: 12007813Abstract: A semiconductor device includes a substrate, conductive features on the substrate, and a passivation layer over the conductive features to define conductive pads in the respective conductive features through exposed portions of each of the conductive features. Each corner of the conductive pads is free of right angle, the substrate has a pair of long sides from a top view perspective, the shape of each of the conductive pads is a parallelogram. Each of the conductive pads has a pair of long sides and a pair of short sides from a top view perspective, a portion of the conductive pads have the long sides sloped away from a first pad density area of the substrate and toward one long side of the substrate, and the rest of the conductive pads have the long sides sloped toward the first pad density area and toward the other long side of the substrate.Type: GrantFiled: March 30, 2023Date of Patent: June 11, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventor: Cheng-Hao Huang
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Patent number: 11951637Abstract: A calibration apparatus includes a processor, an alignment device, and an arm. The alignment device captures images in a three-dimensional space, and a tool is arranged on a flange of the arm. The processor records a first matrix of transformation between an end-effector coordinate-system and a robot coordinate-system, and performs a tool calibration procedure according to the images captured by the alignment device for obtaining a second matrix of transformation between a tool coordinate-system and the end-effector coordinate-system. The processor calculates relative position of a tool center point of the tool in the robot coordinate-system based on the first and second matrixes, and controls the TCP to move in the three-dimensional space for performing a positioning procedure so as to regard points in an alignment device coordinate-system as points of the TCP, and calculates the relative positions of points in the alignment device coordinate-system and in the robot coordinate-system.Type: GrantFiled: June 4, 2021Date of Patent: April 9, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Cheng-Hao Huang, Shi-Yu Wang, Po-Chiao Huang, Han-Ching Lin, Meng-Zong Li
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Publication number: 20230302638Abstract: A stabilization method incorporated with a mobile robot having a body, a plane-pressure sensor, and a movement mechanism is disclosed and includes the following steps: sensing and obtaining a pressure distribution of the body through the plane-pressure sensor; computing a center of gravity (CoG) position of the body in accordance with the pressure distribution; determining whether the CoG position is located within a steady zone pre-defined upon the body; and, providing a reverse force toward a CoG offset direction of the CoG position when the CoG position is determined to be off the steady zone.Type: ApplicationFiled: August 4, 2022Publication date: September 28, 2023Inventors: Cheng-Hao HUANG, Po-Chiao HUANG, Han-Ching LIN, Shi-Yu WANG
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Patent number: 11766731Abstract: An automatic soldering processing system is disclosed and includes a soldering-point information obtaining unit, a soldering-parameter generating unit, a solder feeding unit, an iron tip, a motion control unit, and a temperature control unit. The soldering-point information obtaining unit obtains an image of at least one soldering-point of an electronic product, the soldering-parameter generating unit generates soldering parameters such as solder feeding speed, solder feeding amount, moving speed, moving path, heating temperature and heating time for the at least one soldering-point correspondingly according to the image. The solder feeding unit feeds solder based on the solder feeding speed and the solder feeding amount, the iron tip performs a soldering action by using the solder, and the motion control unit and the temperature control unit control the iron tip according to the moving speed, the moving path, the heating temperature, and the heating time.Type: GrantFiled: December 7, 2021Date of Patent: September 26, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Cheng-Hao Huang, Kai-Sheng Chen, Bo-Ren Ciou
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Publication number: 20230236636Abstract: A semiconductor device includes a substrate, conductive features on the substrate, and a passivation layer over the conductive features to define conductive pads in the respective conductive features through exposed portions of each of the conductive features. Each corner of the conductive pads is free of right angle, the substrate has a pair of long sides from a top view perspective, the shape of each of the conductive pads is a parallelogram. Each of the conductive pads has a pair of long sides and a pair of short sides from a top view perspective, a portion of the conductive pads have the long sides sloped away from a first pad density area of the substrate and toward one long side of the substrate, and the rest of the conductive pads have the long sides sloped toward the first pad density area and toward the other long side of the substrate.Type: ApplicationFiled: March 30, 2023Publication date: July 27, 2023Inventor: CHENG-HAO HUANG
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Publication number: 20230221891Abstract: The present invention provides a control method of a flash memory controller wherein the control method includes the steps of: selecting a first block; reading pages of the first block and determining a bit error rate or a bit error count of each page; for each of the pages, if the bit error rate or the bit error count of the page is not greater than a first threshold value, moving the data of the page into a second block; and for each of the pages, if the bit error rate or the bit error count of the page is greater than the first threshold value, moving the data of the page into a third block; wherein a number of pages corresponding to a word line of the second block is less than a number of pages corresponding to a word line of the third block.Type: ApplicationFiled: January 13, 2022Publication date: July 13, 2023Applicant: Silicon Motion, Inc.Inventor: Cheng-Hao Huang
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Patent number: 11687290Abstract: The present invention provides a control method of a flash memory controller wherein the control method includes the steps of: selecting a first block; reading pages of the first block and determining a bit error rate or a bit error count of each page; for each of the pages, if the bit error rate or the bit error count of the page is not greater than a first threshold value, moving the data of the page into a second block; and for each of the pages, if the bit error rate or the bit error count of the page is greater than the first threshold value, moving the data of the page into a third block; wherein a number of pages corresponding to a word line of the second block is less than a number of pages corresponding to a word line of the third block.Type: GrantFiled: January 13, 2022Date of Patent: June 27, 2023Assignee: Silicon Motion, Inc.Inventor: Cheng-Hao Huang
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Patent number: 11684513Abstract: An ophthalmic laser apparatus comprises a laser light source; a light guide device, configured to guide a laser beam generated from the laser light source; a support bracket, configured to support a patient's head for the patient's eye to be perpendicular to a horizontal plane; a positioning device to acquire data related to a position of the patient's eye; a laser beam projector, the laser beam projector being movable to be aligned with the patient's eye and projecting the laser beam from the light guide device; a moving stand, configured to move the positioning device and the laser beam projector along an X direction, a Y direction, and/or a Z direction; and a controller, configured to control the laser light source to irradiate the laser beam and to control the laser beam projector to project the laser beam toward the patient's eye.Type: GrantFiled: November 13, 2020Date of Patent: June 27, 2023Assignee: Excelsius Medical Co., Ltd.Inventor: Cheng-Hao Huang
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Patent number: 11619974Abstract: A method of manufacturing a flexible display includes providing a substrate having a first and second pad density areas and a pair of long sides; forming conductive pads on the substrate, each of the conductive pad is free of right angle and in a shape of parallelogram, and a pad density of the second pad density area is higher than that of the first pad density area; providing a flexible substrate; and bonding the conductive pads to a conductor of a circuit of the flexible substrate. Each of the conductive pad has long sides and short sides, a portion of the conductive pads have the long sides sloped away from the first pad density area and toward one long side of the substrate, and the rest of the conductive pads have the long sides sloped away the first pad density area and toward the other long side of the substrate.Type: GrantFiled: April 20, 2021Date of Patent: April 4, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventor: Cheng-Hao Huang
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Publication number: 20230046823Abstract: An automatic soldering processing system is disclosed and includes a soldering-point information obtaining unit, a soldering-parameter generating unit, a solder feeding unit, an iron tip, a motion control unit, and a temperature control unit. The soldering-point information obtaining unit obtains an image of at least one soldering-point of an electronic product, the soldering-parameter generating unit generates soldering parameters such as solder feeding speed, solder feeding amount, moving speed, moving path, heating temperature and heating time for the at least one soldering-point correspondingly according to the image. The solder feeding unit feeds solder based on the solder feeding speed and the solder feeding amount, the iron tip performs a soldering action by using the solder, and the motion control unit and the temperature control unit control the iron tip according to the moving speed, the moving path, the heating temperature, and the heating time.Type: ApplicationFiled: December 7, 2021Publication date: February 16, 2023Inventors: Cheng-Hao HUANG, Kai-Sheng CHEN, Bo-Ren CIOU
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Publication number: 20220362935Abstract: A dual-arm robot assembling system including a controlling unit, a GUI, a first robotic-arm, and a second robotic-arm is disclosed. The GUI provides a graphic program editing page, which provides multiple instruction blocks used for editing a graphical program executed by the assembling system. At least one of the first robotic arm and the second robotic arm is disposed with a point-teaching tool thereon. Before the controlling unit controls the two robotic arms to perform an assembling operation based on the graphical program, a manager may directly drag the two robotic arms through the point-teaching tool, so as to implement a point-teaching procedure for the two robotic arms. Therefore, the assembling system may accomplish the assembling operation through the two robotic arms with cooperative movement.Type: ApplicationFiled: May 6, 2022Publication date: November 17, 2022Inventors: Meng-Zong LI, Han-Ching LIN, Shi-Yu WANG, Po-Chiao HUANG, Cheng-Hao HUANG
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Publication number: 20220151832Abstract: An ophthalmic laser apparatus comprises a laser light source; a light guide device, configured to guide a laser beam generated from the laser light source; a support bracket, configured to support a patient's head for the patient's eye to be perpendicular to a horizontal plane; a positioning device, configured to position a position of the patient's eye; a laser beam projector, the laser beam projector being movable to be aligned with the patient's eye and projecting the laser beam from the light guide device; a moving stand, configured to move the positioning device and the laser beam projector along an X direction, a Y direction, and/or a Z direction; and a controller, configured to control the laser light source to irradiate the laser beam and to control the laser beam projector to project the laser beam toward the patient's eye.Type: ApplicationFiled: November 13, 2020Publication date: May 19, 2022Inventor: CHENG-HAO HUANG
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Publication number: 20220117786Abstract: The present invention discloses a method and an apparatus for treating an ocular tissue. The method for treating the ocular tissue includes generating a femtosecond laser beam from a laser source; orientating the femtosecond laser beam toward the ocular tissue; and defining a target area in the ocular tissue using the femtosecond laser beam, wherein the target area contains a sharp-edge part and a to-be-removed part, in which the sharp-edge part has a minimum thickness being gradually reduced to zero and is ablated by the femtosecond laser beam while the target area is defined; and removing the to-be-removed part of the target area from the ocular tissue.Type: ApplicationFiled: October 20, 2020Publication date: April 21, 2022Inventor: CHENG-HAO HUANG
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Publication number: 20220097234Abstract: A calibration apparatus includes a processor, an alignment device, and an arm. The alignment device captures images in a three-dimensional space, and a tool is arranged on a flange of the arm. The processor records a first matrix of transformation between an end-effector coordinate-system and a robot coordinate-system, and performs a tool calibration procedure according to the images captured by the alignment device for obtaining a second matrix of transformation between a tool coordinate-system and the end-effector coordinate-system. The processor calculates relative position of a tool center point of the tool in the robot coordinate-system based on the first and second matrixes, and controls the TCP to move in the three-dimensional space for performing a positioning procedure so as to regard points in an alignment device coordinate-system as points of the TCP, and calculates the relative positions of points in the alignment device coordinate-system and in the robot coordinate-system.Type: ApplicationFiled: June 4, 2021Publication date: March 31, 2022Inventors: Cheng-Hao HUANG, Shi-Yu WANG, Po-Chiao HUANG, Han-Ching LIN, Meng-Zong LI
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Patent number: 11267125Abstract: A mechanism-parametric-calibration method for a robotic arm system is provided, including: controlling the robotic arm to perform a plurality of actions so that one end of the robotic arm moves toward corresponding predictive positioning-points; determining a predictive relative-displacement between each two of the predictive positioning-points; after each of the actions is performed, sensing three-dimensional positioning information of the end of the robotic arm; determining, according to the three-dimensional positioning information, a measured relative-displacement moved by the end of the robotic arm when each two of the actions are performed; deriving an equation corresponding to the robotic arm from the predictive relative-displacements and the measured relative-displacements; and utilizing a feasible algorithm to find the solution of the equation.Type: GrantFiled: February 7, 2020Date of Patent: March 8, 2022Assignee: DELTA ELECTRONICS, INC.Inventor: Cheng-Hao Huang
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Patent number: 11124129Abstract: A display module for use as a front dashboard, a center console, a passenger entertainment display, or an instrument panel is described. The display module includes a display assembly that is joined to a cover lens via an optically clear adhesive layer. The display assembly is arranged as a flat planar device, and the cover lens is arranged as a curved planar surface that includes an inner laminate sheet that is joined to an outer laminate sheet via a second adhesive layer.Type: GrantFiled: July 15, 2019Date of Patent: September 21, 2021Assignee: Visteon Global Technologies, Inc.Inventors: Ho-Hsun Chi, Yu-Hsien Wu, Yi-Tseng Chiang, Tsang-Chi Li, Chung-Yao Hsu, Cheng-Hao Huang
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Patent number: 11084165Abstract: An automatic alignment system of a robot manipulator is provided. The automatic alignment system includes a signal transmission module and a controller. The signal transmission module includes a first signal receiving and transmitting element and a second signal receiving and transmitting element. The first signal receiving and transmitting element is mounted on the robot manipulator. The second signal receiving and transmitting element is disposed neighboring to a target workpiece. A signal is transported between the signal receiving and transmitting elements. The controller is electrically connected with the signal transmission module for receiving the signal outputted from the signal transmission module. The controller acquires a relative position between the first signal receiving and transmitting element and the second signal receiving and transmitting element according to a variation in the signal.Type: GrantFiled: December 14, 2018Date of Patent: August 10, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Yen-Po Wang, Cheng-Hao Huang, Ke-Hao Chang, Chun-Ying Chen
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Publication number: 20210240227Abstract: A method of manufacturing a flexible display includes providing a substrate having a first and second pad density areas and a pair of long sides; forming conductive pads on the substrate, each of the conductive pad is free of right angle and in a shape of parallelogram, and a pad density of the second pad density area is higher than that of the first pad density area; providing a flexible substrate; and bonding the conductive pads to a conductor of a circuit of the flexible substrate. Each of the conductive pad has long sides and short sides, a portion of the conductive pads have the long sides sloped away from the first pad density area and toward one long side of the substrate, and the rest of the conductive pads have the long sides sloped away the first pad density area and toward the other long side of the substrate.Type: ApplicationFiled: April 20, 2021Publication date: August 5, 2021Inventor: Cheng-Hao Huang
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Patent number: 11023011Abstract: A semiconductor device for attaching to a flexible display is provided. The semiconductor device includes a substrate including semiconductive material, and a conductive pad disposed on the substrate. Each corner of the conductive pad is free of right angle. The flexible display includes a flexible substrate including a circuit, and the semiconductor device. A method of manufacturing a flexible display includes providing a substrate including semiconductive material, and forming a conductive pad on the substrate, wherein each corner of the conductive pad is free of right angle. The method further includes providing a flexible substrate, and bonding the conductive pad to a conductor of a circuit of the flexible substrate.Type: GrantFiled: March 29, 2019Date of Patent: June 1, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventor: Cheng-Hao Huang