Patents by Inventor Chun Chang
Chun 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).
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Patent number: 12672550Abstract: A package structure includes a redistribution structure, a first conductive portion, a second conductive portion and a third conductive portion. The redistribution structure includes a first conductive pad and a second conductive pad. The first conductive portion is electrically connected with the first conductive pad. The second conductive portion is electrically connected with the second conductive pad. The first conductive portion at least partially overlaps the second conductive portion. The third conductive portion and the second conductive portion are located at the same layer. The third conductive portion does not overlap any conductive portion which is located at the same layer as the first conductive portion.Type: GrantFiled: July 12, 2022Date of Patent: June 30, 2026Assignee: AUO CORPORATIONInventors: Chun Chang, Hsia-Tsai Hsiao
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Patent number: 12649346Abstract: An intelligent collaborative operation control strategy for an electro-hydraulic suspension system of a high-horsepower tractor is provided, including: S1, establishing an operation task database; S2, collecting information of the electro-hydraulic suspension system during an operation of the high-horsepower tractor in real time as real-time data; S3, preprocessing the real-time data; S4, analyzing a dataset and generating a preliminary control strategy for the electro-hydraulic suspension system based on parameters in the operation task database; S5, performing data interaction and collaborative control with operation units; S6, identifying deviations between operation status data and expected control parameters; S7, dynamically adjusting the preliminary control strategy.Type: GrantFiled: July 31, 2025Date of Patent: June 9, 2026Assignee: Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural AffairsInventors: Qingxu Yu, Yan Gong, Guangqiao Cao, Chun Chang, Xiao Chen, Zhenwei Wang, Jianling Hu
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Publication number: 20260085226Abstract: This disclosure provides systems, methods, and apparatus related to microcapsules for controlled flow diverter formation in geothermal reservoirs and method of use thereof. In one aspect, a method include providing microcapsules comprising a shell encapsulating an acid. The microcapsules are mixed with a metal silicate to form a mixture. The mixture is injected the mixture into a geothermal reservoir. The shell degrades at an elevated temperature within the geothermal reservoir such that the acid reacts with the metal silicate to generate a precipitate or a gel.Type: ApplicationFiled: September 17, 2025Publication date: March 26, 2026Inventors: Chun Chang, Seiji Nakagawa, Timothy J. Kneafsey, Patrick Dobson
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Publication number: 20260070388Abstract: An intelligent collaborative operation control strategy for an electro-hydraulic suspension system of a high-horsepower tractor is provided, including: S1, establishing an operation task database; S2, collecting information of the electro-hydraulic suspension system during an operation of the high-horsepower tractor in real time as real-time data; S3, preprocessing the real-time data; S4, analyzing a dataset and generating a preliminary control strategy for the electro-hydraulic suspension system based on parameters in the operation task database; S5, performing data interaction and collaborative control with operation units; S6, identifying deviations between operation status data and expected control parameters; S7, dynamically adjusting the preliminary control strategy.Type: ApplicationFiled: July 31, 2025Publication date: March 12, 2026Inventors: Qingxu Yu, Yan Gong, Guangqiao Cao, Chun Chang, Xiao Chen, Zhenwei Wang, Jianling Hu
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Patent number: 12564680Abstract: A mechanism is disclosed having an actuating element, a longitudinal axis, a plunger having at least one first blocking feature and at least one second blocking feature, a plunger force device, a blocking structure rotatable about the longitudinal axis from a first blocking structure position, in which one of the at least one first blocking feature is allowed to pass by the blocking structure and one of the at least one second blocking feature is prevented from passing by the blocking structure, and a second blocking structure position, in which one of the at least one second blocking feature is allowed to pass by the blocking structure, and a transmission configured to transmit a transition of the actuating element between a ready state and a dosing state to a rotation of the blocking structure from the first blocking structure position to the second blocking structure position.Type: GrantFiled: July 12, 2021Date of Patent: March 3, 2026Assignee: SHL Medical AGInventor: Chun Chang
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Publication number: 20260045815Abstract: A power conversion circuit is coupled to a motor and a wireless charging transmitter device. Power conversion circuit includes an inverter and a processor. Inverter includes three half-bridge circuits. Three half-bridge circuits are respectively coupled to a battery, motor and wireless charging transmitter device. Each of three half-bridge circuits includes two switches. Processor is coupled to switches of three half-bridge circuits and generates a plurality of control signals at a first stage to respectively control switches according to a first level of each of control signals, so that battery supplies power to motor. Processor adjusts first level of each of control signals to a second level during a second stage to turn off one of three half-bridge and to turn on switches of the other two of three half-bridge alternately so as to adjust a power supply of wireless charging transmitter device to charge battery to a target power.Type: ApplicationFiled: December 5, 2024Publication date: February 12, 2026Inventors: Chun CHANG, Cheng-Yi LIN, Chien-Hsi WANG, Cheng-Chung LI
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Publication number: 20250065048Abstract: The present disclosure provides a sub-assembly of a medicament delivery device, the sub-assembly comprising: a tubular housing, a carrier, a cap, and a carrier retracting assembly. The tubular housing extends along a longitudinal axis between a distal end and a proximal end, and the cap is removably attached to the tubular housing and at least partially enclosing the carrier. The carrier is configured to receive a medicament container of the medicament delivery device. The carrier is movable relative to the tubular housing in the direction of the longitudinal axis from a proximal position where the carrier is at least partially arranged within the tubular housing to a distal position where the carrier is further into the tubular housing by the carrier retracting assembly during a removal of the cap from the tubular housing.Type: ApplicationFiled: December 23, 2022Publication date: February 27, 2025Inventors: Gary Calderwood, Chun Chang, Ming-Ting Yin, Shang-Yun Chung
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Patent number: 12228157Abstract: A flexible shoulder pin module includes a barrel having an annular head portion, a cylindrical body portion, and a through-hole extending from a top surface of the body portion to a bottom end of the head portion; and a shoulder pin having a shaft portion and a shoulder portion formed thereon. The through-hole includes a first portion adjacent to the top surface of the body portion, and a second portion having a greater diameter than the first portion. The shaft portion is insertable through the first portion into the second portion. The shoulder portion is configured to adjustably extend above the top surface of the body portion to clamp a panel thereto. A compressible device is configured to be disposed around the shaft portion and secured by a stopper panel, which is coupled to the shaft portion and placed adjacent to the head portion within the second portion.Type: GrantFiled: October 26, 2023Date of Patent: February 18, 2025Assignee: QUANTA COMPUTER INC.Inventors: Chun Chang, Hsin-Chieh Lin, Yao-Long Lin
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Patent number: 12232240Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 18, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Patent number: 12232239Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 18, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Patent number: 12222253Abstract: A medicament delivery device development evaluation system is presented having a dummy medicament delivery device comprising at least one force sensor configured to detect an external force applied to the dummy medicament delivery device, processing circuitry configured to receive force measurements from the force sensor, and a storage medium configured to store the force measurements received by the processing circuitry.Type: GrantFiled: February 13, 2020Date of Patent: February 11, 2025Assignee: SHL MEDICAL AGInventors: Chun Chang, Chia Cheng Lin, Sheng-wei Lin, Hsueh-Yi Chen, Yiju Chen, Wen-Sheng Chien
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Patent number: 12225651Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 11, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Publication number: 20240393191Abstract: The present disclosure relates to a force measuring device (1) comprising a spring module (2), and an electronic module (3), detachably mechanically connected to the spring module. The spring module comprises a test head (21) defining an outer surface of the device, a spring seat (23), and a spring (24) arranged between the test head and the spring seat, with a first end (24a) of the spring engaging the test head and a second end (24b) of the spring engaging the spring seat. The electronic module comprises a force sensor (31) arranged in physical contact with the spring seat.Type: ApplicationFiled: September 14, 2022Publication date: November 28, 2024Inventors: Ming-Ting Yin, Chun Chang, Yi-Ju Chen
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Publication number: 20240363652Abstract: A deep trench capacitor structure may include a metal-insulator-metal structure having an insulator layer between opposing conductive electrode layers. The deep trench capacitor structure may extend through a plurality of dielectric layers in a semiconductor device. The conductive electrode layers and the insulator layer may extend laterally into the dielectric layers. The lateral extensions of the conductive electrode layers and the insulator layer into the dielectric layers may be referred to as fin portions of the capacitor structure. The fin portions may extend laterally outward from a central portion (e.g., a trench portion) of the deep trench capacitor structure. The fin portions of the deep trench capacitor structure enable the surface area of the conductive electrode layers to be increased, which may increase the capacitance of the deep trench capacitor structure with minimal increase to the overall footprint of the deep trench capacitor structure.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventors: Chao-Hsuan CHANG, Hsiu-Yun LIEN, Ming HUNG, Tung-I LIN, Chun CHANG, Chao-Ching CHANG, Sheng-Chan LI, Sheng-Chau CHEN
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Publication number: 20240358929Abstract: The present disclosure provides a plunger rod for a medicament delivery device. The plunger rod includes a base at the proximal end of the plunger rod, a first arm extending from the base, and a second arm extending from the base. Each of the first arm and the second arm is flexible and configured to transform from a first rolled-up configuration to a second extended configuration.Type: ApplicationFiled: August 17, 2022Publication date: October 31, 2024Inventor: Chun Chang
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Publication number: 20240360551Abstract: A semiconductor processing tool includes: a process chamber into which a semiconductor wafer is loaded; a support for securing the wafer loaded into the chamber tool; an inlet which introduces a first gas into the chamber for processing the wafer; and an exhaust system that exhausts gas from the chamber. The exhaust system includes: a first line coupled to the chamber to exhaust gas from the chamber; and a pump to draw gas through the first line from the chamber. The tool further includes a heating module having: a second line coupled to the first and a supply of a second gas, the second gas being flowed through the second line from the supply into the first line; and a heating element contained in the second line, the heating element heating the second gas in the second line before the second gas is flowed into the first line.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventors: Sheng-chun Yang, Yi-Ming Lin, Chun Chang, Che Kang Liu, Kaijun Jan, Xuan-Yang Zheng, Tzu-Chuan Chao, Weigang Wu, Chih-Yuan Wang, Ren-Jyue Wang
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Patent number: 12120898Abstract: A photosensitive device including a microlens substrate, a photosensitive element substrate, and an optical glue is provided. The microlens substrate includes a first substrate and microlenses. The first substrate has a first side and a second side opposite to the first side. The microlenses are located on the first side of the first substrate. The photosensitive element substrate includes a second substrate, active components, first electrodes, a second electrode, and an organic photosensitive material layer. The second substrate has a third side and a fourth side opposite to the third side. The second side of the first substrate faces the third side of the second substrate. The active components are located on the fourth side of the second substrate. The first electrodes are respectively electrically connected to the active components. The organic photosensitive material layer is located between the first electrodes and the second electrode.Type: GrantFiled: October 30, 2023Date of Patent: October 15, 2024Assignee: AUO CorporationInventors: Yi-Huan Liao, Chun Chang, Hsin-Hsuan Lee
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Patent number: 12089321Abstract: An induction cooker includes a rectifying device, a first energy-storage device, a switch device, a second energy-storage device, a heating device and a control device. The capacitance of the second energy-storage device is greater than the capacitance of the first energy-storage device. When the induction cooker is just starting, the control device controls the switch device to be turned off, such that the heating device generates an output current according to an energy of the first energy-storage device. The control device determines whether a pot is on the heating device according to a change state of the output current. When the pot is on the heating device, the control device controls the switch device to be turned on, such that the first and second energy-storage devices are coupled, and the heating device heats the pot according to energies of the first and second energy-storage devices.Type: GrantFiled: May 15, 2020Date of Patent: September 10, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Yu-Min Meng, Jhih-Hong Gao, Chun-wei Lin, Yu-Tsung Lee, Chun Chang
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Patent number: D1054021Type: GrantFiled: May 10, 2022Date of Patent: December 10, 2024Assignee: SHL Medical AGInventors: Chun Chang, Sofia Olsson, Nurettin Ali
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Patent number: RE50532Abstract: The present disclosure provides a system and method for enabling cableless connections within a server system. The server system comprises a motherboard (MB) module, a power distribution board (PDB) module, power supply unit (PSU) modules, network interface controller (NIC) modules, fan modules, graphic process unit (GPU) modules, and a hyperscale GPU accelerator (HGX) platform. These components of the server system are interconnected by a plurality of circuit boards. The plurality of circuit boards includes, but is not limited to, a main board, linking boards (BDs), a PDB, a fan board, a power linking board, peripheral-component-interconnect-express (PCIe) expander boards, a plurality of NVLink bridges, and HGX base boards.Type: GrantFiled: December 17, 2021Date of Patent: August 12, 2025Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Chun Chang, Hsin-Chieh Lin, Chih-Hao Chang