Patents by Inventor Zheng Luo
Zheng Luo 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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Publication number: 20240125016Abstract: The invention provides 3D-knitted spacer fabrics of high breathability and moisture management and methods of making the 3D-knitted spacer fabrics. The middle layer of the fabric is made of hydrophilic material, comprising two yarns, a blended thermo-fuse wicking yarn comprising hydrophilic fiber and thermo-fuse fiber, and a non-supportive hydrophilic functional wicking yarn. The top layer of the fabric comprises a hydrophilic yarn, and the third layer of the fabric comprises a hydrophobic yarn. The 3D-knitted spacer fabrics are useful in clothing and equipment for wear in high temperature environments.Type: ApplicationFiled: October 3, 2023Publication date: April 18, 2024Inventors: Tianqi ZHOU, Yuyan WANG, Rui LUO, Ling LIN, Zheng GU, Peng ZHOU, Jing XU
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Publication number: 20240098219Abstract: Methods and systems are provided for a spatialized display of chat messages within a messaging platform. In an example method, a computing device displays a spatial chat user interface (UI) including a virtual background and one or more spatialized avatars overlaid on the virtual background. The computing device receives chat messages sent by a participant and displays, adjacent to the spatialized avatar representing the participant, chat bubbles having a first appearance. The computing device displays chat bubbles for other participants having a second appearance. The computing device receives one or more additional chat messages sent by the participant. The computing device displays additional chat bubbles corresponding to the additional chat messages having a third appearance and updates the appearance of the initial chat bubbles to a fourth appearance.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: Zoom Video Communications, Inc.Inventors: Oded Gal, Andrew Law, Sally Lu, Ping Luo, Sharvari Nerurkar, Archil Vardidze, Zheng Yuan
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Method and device for treating cyanobacteria in water area based on biological competition principle
Patent number: 11933010Abstract: The invention discloses a method and a device for treating cyanobacteria in a water area based on the principle of biological competition, the method comprising: finding an area where cyanobacteria most easily accumulate, i.e. a concave bank of a water area, and setting up an algae interception net around the area; quickly and largely clearing the cyanobacteria in the area by means of manual or mechanical catching; planting emerged plants on the shoreline of the water area to fundamentally improve water quality; and additionally, densely arranging treatment tanks in a larger water area to kill the cyanobacteria gradually, and collecting dead cyanobacteria to prevent them from polluting the water area subsequently; and collecting and treating the tanks regularly for recycling.Type: GrantFiled: March 28, 2019Date of Patent: March 19, 2024Assignee: FUDAN UNIVERSITYInventors: Zheng Zheng, Weizhen Zhang, Peng Gu, Xingzhang Luo, Jian He -
Publication number: 20240087500Abstract: A display control method for an LED display system, an LED driving circuit and an LED display system are provided. The display control method includes: receiving a data signal that includes at least transmission identification and display data and a clock signal; controlling serial transmission of the clock signal according to the transmission identification in each of a plurality of groups of cascaded LED driving circuits. The disclosure determines transmission identification of a next display cycle according to display data of a current display cycle and display data of the next display cycle, and turn on or off transmission of a clock signal in the current display cycle in accordance with the transmission identification. When the control terminal has a plurality of ports which share the clock signal, the LED driving circuit can turn off modules as many as possible for a black screen, thereby reducing power consumption.Type: ApplicationFiled: March 25, 2022Publication date: March 14, 2024Inventors: Zheng Luo, Jiandong Zhao
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Patent number: 11919845Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.Type: GrantFiled: July 30, 2021Date of Patent: March 5, 2024Assignee: NANJING INSTITUTE OF MICROINTERFACE TECHNOLOGY CO., LTDInventors: Zhibing Zhang, Zheng Zhou, Lei Li, Feng Zhang, Weimin Meng, Baorong Wang, Gaodong Yang, Huaxun Luo, Guoqiang Yang, Hongzhou Tian, Yu Cao, Jia Liu
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Publication number: 20240067503Abstract: A lifting device for building a steel structure hoistway and a method for building a steel structure hoistway. The lifting device includes a lifting mechanism and a crane mechanism. The lifting mechanism includes a bottom platform, a middle platform and a top platform. The crane mechanism is arranged on the top platform of the lifting mechanism, and includes a base and a crane on the base. The base is arranged on the top platform and is rotatable relative to the top platform along a vertical axis, and the hanger frame of the crane is movable between a vertical orientation and an inclined orientation. The lifting mechanism is configured to ascend and descend in the constructed steel structure hoistway, and the crane mechanism is configured to lift building materials, such as steel beams, steel columns, etc., for use in building the steel structure hoistway to their designed installation locations.Type: ApplicationFiled: November 4, 2022Publication date: February 29, 2024Inventors: Hualiang Xu, Fei Chen, Gangliang Chen, Zheng Lu, Huaping Sun, Yanchong Wang, Yijin Luo, Zhijun Shen, Lili Yang
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Publication number: 20230397311Abstract: LED driving circuit includes a first current source, a second current source, a current sensing circuit, and a control circuit. The first current source, coupled in series with a heat dissipation resistor, provides a first current path to the LED string. The second current source, coupled in parallel with the serially coupled first current source and the heat dissipation resistor, provides a second current path to the LED string. The current sensing circuit is configured to sense a current sense signal representing a current flowing through the LED string. The control circuit is configured to control a current distribution of the first current path and a second current path in response to the current sense signal. When the current sense signal is greater than a threshold, a current flowing through the first current path is larger than a current flowing through the second current path.Type: ApplicationFiled: June 28, 2023Publication date: December 7, 2023Inventors: Chia-Lung Ni, Zheng Luo, Yu-Huei Lee, Junjian Zhao
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Patent number: 11721795Abstract: A LED driving system for driving a LED matrix. The LED driving system includes an interconnection structure having a first surface and a second surface opposite to the first surface and a plurality of driver dies/chips attached to the first surface of the interconnection structure. The LED matrix is divided into a plurality of sub LED matrix sections that are attached to the second surface of the interconnection structure. The interconnection structure is configured to electrically couple each one of the plurality of sub LED matrix sections to a corresponding one driver die/chip in the plurality of driver dies/chips.Type: GrantFiled: March 18, 2021Date of Patent: August 8, 2023Assignee: Monolithic Power Systems, Inc.Inventors: Junjian Zhao, Yu-Huei Lee, Liwei Hou, Zheng Luo, Ze-Qiang Yao, Heng Li, Suwei Wang, Tong Chen
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Patent number: 11713772Abstract: A fan frame with an improved heat dissipation performance includes a frame body, a plurality of stationary blades, and a central base. The frame body defines a flow channel, the central base is arranged within the flow channel and divides the flow channel into flowing zones. Each of the flowing zone includes a high-pressure zone and a low-pressure zone. The central base defines first slot, second slot and receiving groove between the first slot and the second slot, the first slot communicates the high-pressure zone and the receiving groove, the second slot communicates the low-pressure zone and the receiving groove.Type: GrantFiled: March 21, 2022Date of Patent: August 1, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Zheng Luo, Xiao-Guang Ma, Yong-Kang Zhang, Yung-Ping Lin
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Patent number: 11635088Abstract: A cooling fan creating a more stable airflow for heat-removing purposes, with reduced noise of operation, comprises a rotor hub and preferably an odd number of blades mounted on periphery of the rotor hub in unequal intervals. Adjacent blades are configured with different shapes, reducing the noise generated during operation without affecting the cooling effect.Type: GrantFiled: May 26, 2022Date of Patent: April 25, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Xiao-Guang Ma, Zheng Luo, Yung-Ping Lin, Yong-Kang Zhang
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Patent number: 11566638Abstract: A three-bladed impeller providing a cooling airflow in air, with increased heat-dissipating efficiency and reduced noise includes a hub and three blades, the blades are arranged around the hub. Each blade is arched along its axial length from the front of fan to the back and also arched radially from the hub end of each blade to the outside tip. The back edge of each blade includes first and second slots, arranged alternately, the width of each first slot is ?1, the width of each of each second slot is ?2, the comparative sizes between ?2 and ?1 are in a ratio range of 1.6:1 to 1.8:1 (?2:?1).Type: GrantFiled: March 3, 2022Date of Patent: January 31, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Zheng Luo, Xiao-Guang Ma, Yung-Ping Lin, Yong-Kang Zhang
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Publication number: 20220341438Abstract: A fan frame with an improved heat dissipation performance includes a frame body, a plurality of stationary blades, and a central base. The frame body defines a flow channel, the central base is arranged within the flow channel and divides the flow channel into flowing zones. Each of the flowing zone includes a high-pressure zone and a low-pressure zone. The central base defines first slot, second slot and receiving groove between the first slot and the second slot, the first slot communicates the high-pressure zone and the receiving groove, the second slot communicates the low-pressure zone and the receiving groove.Type: ApplicationFiled: March 21, 2022Publication date: October 27, 2022Inventors: ZHENG LUO, XIAO-GUANG MA, YONG-KANG ZHANG, YUNG-PING LIN
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Patent number: 11472471Abstract: A differential cooperative active steering system for a front-axle independent-drive vehicle with electric wheels includes a steering rack which is arranged between a first steering wheel and a second steering wheel, and is able to generate lateral displacement and pull the first and second steering wheels to steer; a planetary gear mechanism, including a first input end, a second input end and an output end; a steering angle coupling motor, connected to the first input end; and an input shaft of the steering wheel, connected to the second input end. The planetary gear mechanism can realize the coupling between an input steering angle of an input shaft of the steering wheel and an input steering angle of the steering angle coupling motor. In addition, a method for controlling the differential cooperative active steering system is provided.Type: GrantFiled: December 3, 2020Date of Patent: October 18, 2022Assignee: JILIN UNIVERSITYInventors: Junnian Wang, Dedong Guo, Shoulin Gao, Zheng Luo
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Patent number: 11470707Abstract: An LED driving system for synchronizing two LED driving integrated circuits to drive LED strings. The LED driving system sequentially activates the LED strings driven by the first LED driving integrated circuit and then outputs a downstream enabling signal from the first LED driving integrated circuit to the second LED driving integrated circuit to activate the LED strings driven by the second LED driving integrated circuit.Type: GrantFiled: May 26, 2021Date of Patent: October 11, 2022Assignee: Monolithic Power Systems, Inc.Inventors: Junjian Zhao, Chia-Lung Ni, Zheng Luo, Yu-Huei Lee, Huan Liu
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Publication number: 20220307519Abstract: A three-bladed impeller providing a cooling airflow in air, with increased heat-dissipating efficiency and reduced noise includes a hub and three blades, the blades are arranged around the hub. Each blade is arched along its axial length from the front of fan to the back and also arched radially from the hub end of each blade to the outside tip. The back edge of each blade includes first and second slots, arranged alternately, the width of each first slot is ?1, the width of each of each second slot is ?2, the comparative sizes between ?2 and ?1 are in a ratio range of 1.6:1 to 1.8:1 (?2:?1).Type: ApplicationFiled: March 3, 2022Publication date: September 29, 2022Applicant: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: ZHENG LUO, XIAO-GUANG MA, YUNG-PING LIN, YONG-KANG ZHANG
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Publication number: 20220302361Abstract: A LED driving system for driving a LED matrix. The LED driving system includes an interconnection structure having a first surface and a second surface opposite to the first surface and a plurality of driver dies/chips attached to the first surface of the interconnection structure. The LED matrix is divided into a plurality of sub LED matrix sections that are attached to the second surface of the interconnection structure. The interconnection structure is configured to electrically couple each one of the plurality of sub LED matrix sections to a corresponding one driver die/chip in the plurality of driver dies/chips.Type: ApplicationFiled: March 18, 2021Publication date: September 22, 2022Inventors: Junjian Zhao, Yu-Huei Lee, Liwei Hou, Zheng Luo, Ze-Qiang Yao, Heng Li, Suwei Wang, Tong Chen
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Publication number: 20220252081Abstract: A fan includes a hub, a plurality of fan blades arranged around the hub and connected to the hub, and a plurality of guiding parts. Each of the plurality of fan blades comprises a windward surface and a leeward surface facing away from the windward surface. Each of the plurality of guiding parts is arranged on each of the plurality of fan blades. Each of the plurality of guiding parts comprises a plurality of guiding portions. Each of the plurality of the guiding portions protrudes from or is recessed in the windward surface or the leeward surface.Type: ApplicationFiled: October 15, 2021Publication date: August 11, 2022Inventors: XIAO-GUANG MA, YONG-KANG ZHANG, ZHENG LUO, YUNG-PING LIN
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Publication number: 20220136733Abstract: The present invention discloses a film type liquid heater and a uniform heating method thereof. End fixation plates are arranged at two ends of a barrel. A heating pipe is arranged in the barrel. Pipe ports run through the two end fixation plates, respectively. Connecting pipes are arranged in the pipe ports. Sealing connection components are arranged at inner ends of the two connecting pipes. A heating film layer is coated outside the heating pipe. Electrode layers are connected left and right sides of the heating film layer, and the electrode layers are connected to an external power supply. An insulating layer is coated outside the heating film layer. A flow splitting column is fixedly connected in the heating pipe. A heating chamber is formed between an inner side of the heating pipe and the flow splitting column. Flow splitting grooves are formed at left and right ends and on the inner side of the flow splitting column.Type: ApplicationFiled: December 31, 2020Publication date: May 5, 2022Inventors: XIN FU, ZHENG LUO, YIWEN ZHAO, SEN DU, NING XU
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Patent number: 11310879Abstract: A feedback control circuit in an LED driving circuit for driving a plurality of LED strings. Each LED string provides a headroom detecting voltage. The feedback control circuit has a status detecting circuit, a counting circuit and a modulating circuit. The status detecting circuit compares each headroom detecting voltage with a low headroom threshold voltage and a high headroom threshold voltage and generates an up self-status signal and a down self-status signal. The counting circuit counts or keeps unchanged and then generates a counting signal based on the up self-status signal and the down self-status signal. The modulating circuit generates a modulating signal based on the counting signal. And based on the modulating signal, the feedback control circuit generates a feedback control signal to regulate a bias voltage supplying the plurality of LED strings.Type: GrantFiled: February 5, 2021Date of Patent: April 19, 2022Assignee: Monolithic Power Systems, Inc.Inventors: Junjian Zhao, Chia-Lung Ni, Zheng Luo, Yu-Huei Lee, Huan Liu
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Patent number: D971721Type: GrantFiled: July 13, 2020Date of Patent: December 6, 2022Assignee: Illinois Tool Works Inc.Inventors: Zheng Luo, Zhaobao Cao, Zhilin Li