Patents by Inventor Kun Chang

Kun Chang 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: 20260124756
    Abstract: A method includes obtaining a first set of coordinates of the at least three points in a robot coordinate system and a second set of coordinates of the at least three points in a touch screen coordinate system; causing the conveyor to move from the first position to a second position different from the first position; obtaining a third set of coordinates of the at least further three points in the robot coordinate system and a fourth set of coordinates of the at least three further points in the touch screen coordinate system; and determining a conveyor coordinate of the conveyor in the robot coordinate system based on the first set of coordinates, the second set of coordinates, the third set of coordinates and the fourth set of coordinates.
    Type: Application
    Filed: January 6, 2026
    Publication date: May 7, 2026
    Inventors: Kun Chang, Hao Gu, Lei Mao, Changnian Qian, Jing Ma
  • Patent number: 12605841
    Abstract: Methods, apparatuses, systems, and computer readable media for managing a tool in a robot system. In a method, a plurality of arm positions of a robot arm of the robot system are obtained when the tool is placed under a posture on a surface of a calibration object for calibrating the tool, where the posture represents rotation parameters of the robot arm. A center of the calibration object is determined based on the plurality of arm positions. A reference position of the robot arm is generated for calibrating the tool based a position of the center and the posture.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: April 21, 2026
    Assignee: ABB Schweiz AG
    Inventors: Kun Chang, Wenyao Shao, Dianfei Xia
  • Publication number: 20260039935
    Abstract: A video processing method and apparatus, a readable medium, and an electronic device, where the method includes: acquiring a plurality of highlight sub-segments obtained by performing highlight recognition on a video; displaying label information of the plurality of highlight sub-segments, and the label information is used to represent feature information of the plurality of highlight sub-segments, wherein the label information comprises a conformed highlight recognition condition; merging, according to a selecting operation of a user, one or more of the plurality of highlight sub-segments to obtain a first highlight segment; displaying an editing page corresponding to the first highlight segment in response to an editing instruction from the user; processing, according to the editing instruction of the user, the first highlight segment to obtain an edited highlight segment; and posting the edited highlight segment in response to receiving a posting instruction for the edited highlight segment.
    Type: Application
    Filed: October 8, 2025
    Publication date: February 5, 2026
    Inventors: Ke ZHONG, Caiwen LIN, Yijie LI, Kun CHANG, Zhenbang SUN, Qing LONG, Liangjie TANG, Pingfei FU, Zhaoqin LIN, Yan LI
  • Patent number: 12518369
    Abstract: A method for detecting paint defects on objects is provided. The method comprises: projecting a plurality of patterns on a surface of an object at a plurality of different pattern characteristics; capturing a plurality of images of the object based on projecting the plurality of patterns; inputting the plurality of images of the object into a machine learning model to determine whether the surface of the object includes one or more paint defects; and based on determining, an image, of the plurality of images, includes a paint defect, causing display of the image with the paint defect.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: January 6, 2026
    Assignee: ABB Schweiz AG
    Inventors: Nevroz Sen, WenLong Li, Amber-FengQin Zhu, Kun Chang
  • Patent number: 12493392
    Abstract: Provided are a content display method and apparatus, an electronic device, and a computer-readable storage medium. The content display method includes: displaying a first content and a first display region, in which the first display region has a first display state and a second display state, the first display state corresponding to a first state of a first object, and the second display state corresponding to a second state of the first object; and displaying, in response to detection of a trigger signal in the first display region, a second content relevant to the first object when the first display region is displayed in the first display state. A state of the first object is prompted by means of a display state of the first display region, and a content relevant to the first object is directly reached through the first display region. Thus, a problem of resource waste resulted from displaying the content relevant to the first object can be solved.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: December 9, 2025
    Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
    Inventors: Ke Zhong, Wenjing Liu, Dongdong Zuo, Yingke Wang, Kun Chang, Sen Wang, Fuqiang Zhang, Fuwei Zhang
  • Patent number: 12464205
    Abstract: The present disclosure relates to a video processing method and apparatus, a readable medium, and an electronic device. The method includes: acquiring a first highlight segment obtained by performing highlight recognition on a target video; displaying an editing page corresponding to the first target highlight segment in response to an editing instruction for a first target highlight segment, where the editing page is used by a user to perform an editing operation on the first target highlight segment; processing, according to the editing operation of the user, the first target highlight segment to obtain a second highlight segment; and posting the second highlight segment in response to receiving a posting instruction for the second highlight segment.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: November 4, 2025
    Assignee: Beijing Bytedance Network Technology Co., Ltd
    Inventors: Ke Zhong, Caiwen Lin, Yijie Li, Kun Chang, Zhenbang Sun, Qing Long, Liangjie Tang, Pingfei Fu, Zhaoqin Lin, Yan Li
  • Publication number: 20250305820
    Abstract: A laser level includes a housing; a laser module carrier; and a laser module on the laser module carrier. The laser module includes a laser generator, a collimating lens and a cone mirror. The laser module is configured to project a laser line in a vertical plane generally about 360 degrees. The laser line comprises a higher power portion and a lower power portion. The laser level is configured such that the higher power portion is directed generally upwardly towards a ceiling.
    Type: Application
    Filed: March 10, 2025
    Publication date: October 2, 2025
    Applicant: Stanley Black & Decker Inc.
    Inventors: Young JIANG, Grady Jiqiu MA, Oleksiy Sergyeyenko, Kun CHANG, David B. LASSILA
  • Publication number: 20250114946
    Abstract: Embodiments of present disclosure relate to a method of adjusting robot path, a computing device, and a computer readable storage medium. The method comprises: obtaining a plurality of scanned contours of a tool held by a robot by scanning the tool at a plurality of positions using a laser sensor; determining, based on the plurality of scanned contours, the plurality of positions in an actual trajectory of the tool; determining the actual trajectory based on the plurality of positions; and adjusting the robot path based on a deviation between the actual trajectory and a theoretical trajectory of the tool. In this way, contour sampling data of the tool with high precision can be analyzed to correct the actual path data to fit the desired one, so as to improve the path accuracy.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Inventors: Kun CHANG, Lei MAO, Yin TIAN, Meng XU
  • Patent number: 12267559
    Abstract: Embodiments of the present disclosure provide a live streaming and device, where the method includes: receiving push information of a target creation sent by a server, where the push information is sent by the server based on that the server determines that play popularity of the target creation meets preset popularity; and in response to an operation of a user on the push information, entering a first page of a live streaming application (App). In the embodiment of the present disclosure, by pushing the target creation whose play popularity exceeds preset popularity to the user, to prompt the user that one target creation is becoming a hot creation, so as to guide the user to go live with the target creation as a topic.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: April 1, 2025
    Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
    Inventors: Yingyue Zhou, Ke Zhong, Kun Chang, Qian Xue, Chen Zhang, Yineng Lu
  • Publication number: 20240410694
    Abstract: A laser level assembly includes a mounting bracket and a laser level on the mounting bracket. The mounting bracket includes a base part and a back cap. The laser level includes a laser generator, the laser level projects at least one of a horizontal line, a vertical line or a laser spot. The laser level also includes a battery pack receptacle configured to selectively receive a removable battery pack, a wireless transmitter, a circuit board in the mounting bracket, and a secondary power device on the circuit board. The removable battery pack is configured to power the at least one laser generator. The secondary power device is configured to selectively power the wireless transmitter.
    Type: Application
    Filed: June 5, 2024
    Publication date: December 12, 2024
    Applicant: Stanley Black & Decker Inc.
    Inventors: Oleksiy P. SERGYEYENKO, Thomas S. WOLF, Devansh K. JHAWAR, Michael C. SCHMITTDIEL, Kun CHANG, Dominic M. LEONE, Kenneth M. NORR, Kavya JAIN, Anthony TOPF
  • Patent number: 12160620
    Abstract: Embodiments of the present disclosure provide an information interaction method, an apparatus and a device. The method includes: displaying, by a second device, a first page corresponding to a first account, where the first page includes a first control; in response to a first operation on the first control, sending, by the second device, first prompt information to a first device corresponding to the first account, and updating the first control to a second control, where the first prompt information is used to prompt a user corresponding to the first account to update a creation; in response to a second operation on the second control, pre-transferring, by the second device, a first object to the first account, where the first object is transferred to the first account after the creation corresponding to the first account is updated. The reliability of live streaming interaction is improved.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: December 3, 2024
    Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
    Inventors: Ke Zhong, Kun Chang, Yijie Li
  • Publication number: 20240383145
    Abstract: Methods, apparatuses, systems, and computer readable media for managing a tool in a robot system. In a method, a plurality of arm positions of a robot arm of the robot system are obtained when the tool is placed under a posture on a surface of a calibration object for calibrating the tool, where the posture represents rotation parameters of the robot arm. A center of the calibration object is determined based on the plurality of arm positions. A reference position of the robot arm is generated for calibrating the tool based a position of the center and the posture.
    Type: Application
    Filed: September 10, 2021
    Publication date: November 21, 2024
    Inventors: Kun Chang, Wenyao Shao, Dianfei Xia
  • Publication number: 20240375283
    Abstract: A method, an electronic device, and a computer readable storage medium for calibrating a robot. The method includes obtaining a first set of data related to at least one of position and orientation of at least three calibration objects. The method includes determining a second set of data related to at least one of position and orientation of the at least three calibration objects when the target object is in a second state different from the first state; determining a transformation relationship between the first set of data and the second set of data; determining a calibrated object coordinate system based on the object coordinate system and the transformation relationship; and controlling the robot to process the target object in a predetermined way under the calibrated object coordinate system.
    Type: Application
    Filed: September 7, 2021
    Publication date: November 14, 2024
    Inventors: Kun Chang, Xu Su
  • Publication number: 20240318959
    Abstract: A laser level assembly includes a mounting bracket and a laser level on the mounting bracket. The mounting bracket includes a base part and a back cap. The laser level includes a laser generator, the laser level projects at least one of a horizontal line, a vertical line or a laser spot. The laser level also includes a battery pack receptacle configured to selectively receive a removable battery pack, a wireless transmitter, a circuit board in the mounting bracket, and a secondary power device on the circuit board. The removable battery pack is configured to power the at least one laser generator. The secondary power device is configured to selectively power the wireless transmitter.
    Type: Application
    Filed: June 5, 2024
    Publication date: September 26, 2024
    Applicant: Stanley Black & Decker Inc.
    Inventors: Oleksiy P. SERGYEYENKO, Thomas S. WOLF, Devansh K. JHAWAR, Michael C. SCHMITTDIEL, Kun CHANG, Dominic M. LEONE, Kenneth M. NORR, Kavya JAIN, Anthony TOPF
  • Publication number: 20240308078
    Abstract: A method and an electronic device for calibrating a robot. The method includes obtaining at least two sets of positional data of a first reference point in a base coordinate system of the robot, the first reference point fixedly arranged on the external axis, the at least two sets of positional data corresponding to at least two positions of the first reference point during movement of the external axis. The method includes determining a transformation relationship between the base coordinate system and an user coordinate system of the external axis according to the at least two sets of positional data, determining the calibrated user coordinate system based on the base coordinate system and the transformation relationship, and controlling the robot to process an object arranged on the external axis under the calibrated user coordinate system.
    Type: Application
    Filed: September 22, 2021
    Publication date: September 19, 2024
    Inventors: Kun Chang, Hao Gu, Lei Mao
  • Publication number: 20240310169
    Abstract: A laser level assembly includes a mounting bracket and a laser level on the mounting bracket. The mounting bracket includes a base part and a back cap. The laser level includes a laser generator, the laser level projects at least one of a horizontal line, a vertical line or a laser spot. The laser level also includes a battery pack receptacle configured to selectively receive a removable battery pack, a wireless transmitter, a circuit board in the mounting bracket, and a secondary power device on the circuit board. The removable battery pack is configured to power the at least one laser generator. The secondary power device is configured to selectively power the wireless transmitter.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Applicant: Stanley Black & Decker Inc.
    Inventors: Oleksiy P. SERGYEYENKO, Thomas S. WOLF, Devansh K. JHAWAR, Michael C. SCHMITTDIEL, Kun CHANG, Dominic M. LEONE, Kenneth M. NORR, Kavya JAIN, Anthony TOPF
  • Publication number: 20240261965
    Abstract: A method and an apparatus for calibrating a crankshaft to be processed. The method includes causing a positioner to rotate to at least three different angles. The positioner is configured to support the crankshaft and drive the crankshaft to rotate. The method also includes causing a probe to touch a plurality of points on a first cylindrical crankpin of the crankshaft respectively to obtain coordinates of the plurality of points in a robot coordinate system; fitting the coordinates of the plurality of points on the first cylindrical crankpin respectively to obtain a respective pose of the first cylindrical crankpin relative to the robot coordinate system; and determining a pose of a rotating axis of the crankshaft relative to the robot coordinate system based on the respective pose of the first cylindrical crankpin.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Inventors: Dianfei Xia, Kun Chang, Jiacheng Wang
  • Publication number: 20240087105
    Abstract: A method for detecting paint defects on objects is provided. The method comprises: projecting a plurality of patterns on a surface of an object at a plurality of different pattern characteristics; capturing a plurality of images of the object based on projecting the plurality of patterns; inputting the plurality of images of the object into a machine learning model to determine whether the surface of the object includes one or more paint defects; and based on determining, an image, of the plurality of images, includes a paint defect, causing display of the image with the paint defect.
    Type: Application
    Filed: January 26, 2021
    Publication date: March 14, 2024
    Applicant: ABB Schweiz AG
    Inventors: Nevroz Sen, WenLong Li, Amber-FengQin Zhu, Kun Chang
  • Publication number: 20240060776
    Abstract: The present disclosure relates to a laser level system. The laser level system includes a mount, a laser secured to the mount and a remove input device. The mount includes a rotating portion to which the laser level is secured. The remote input device controls rotation of the rotating portion. The laser level is secured to the rotating portion of the mount such that when the rotating portion rotates, the laser level rotates concurrently along with the rotating portion of the mount.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 22, 2024
    Applicant: Stanley Black & Decker Inc.
    Inventors: Bruce EIDINGER, Kun CHANG
  • Patent number: 11863803
    Abstract: The present disclosure relates to the field of network live streaming, and provides a live streaming interface interaction method and apparatus, an electronic device, and a computer-readable medium. The method comprises: displaying, on a live streaming interface, a first function control and a second function control used for indicating the same function state; receiving an interactive operation acting on the live streaming interface, and switching the function state of the first function control and the second function control when it is determined that the interactive operation meets a preset condition; and respectively displaying corresponding guide animations on display positions corresponding to the first function control and the second function control, so as to prompt a user to perform the next interactive operation.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 2, 2024
    Inventors: Wenjing Liu, Cheng Chi, Kun Chang, Guizhang Chen, Yu Li, Chenkang Li, Meng Chen, Zhenwei Lai, Yingke Wang