Patents by Inventor Kai Sun

Kai Sun 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: 20240061120
    Abstract: A laser gas detection system includes a laser gas detector and a near-eye display device. The laser gas detection system provided in the present disclosure incorporates modern display technologies and modern communication facilities to present detection results to a user of the laser gas detection system in various intuitive and highly readable forms. The laser gas detection system is further capable of projecting the detection results to a field of view of the user through the near-eye display device.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 22, 2024
    Inventors: Kai SUN, Jun TAO, Shaoqing XIANG
  • Patent number: 11899137
    Abstract: A Lidar system and method is provided for adaptive control. The Lidar system comprises: an array of emitters each of which is individually addressable and controlled to emit a multi-pulse sequence, at least a subset of the emitters are activated to emit multi-pulse sequences concurrently according to an emission pattern; an array of photosensors each of which is individually addressable, at least a subset of the photosensors are enabled to receive light pulses according to a sensing pattern, each of the subset of photosensors is configured to detect returned light pulses returned and generate an output signal indicative of an amount of optical energy associated with at least a subset of the light pulses; and one or more processors electrically coupled to the array of emitters and the array of photosensors and configured to generate the emission pattern and the sensing pattern based on one or more real-time conditions.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 13, 2024
    Assignee: Hesai Technology Co., Ltd.
    Inventors: Xuezhou Zhu, Kai Sun, Shaoqing Xiang, Jin Yang, Chenluan Wang, Xugang Liu, Wenyi Zhu, Tingyu Yao, Shixiang Wu, Hui Yin
  • Publication number: 20240038282
    Abstract: A pulse generator, an Error Check and Scrub (ECS) circuit and a memory are provided. The pulse generator includes: a delay circuit configured to receive an ECS command signal, perform delay processing on the ECS command signal, and output a delay command signal, the delay between the ECS command signal and the delay command signal being a first preset value; and a latch circuit configured to receive the ECS command signal and the delay command signal, perform latch processing based on the ECS command signal and the delay command signal, and output an ECS pulse signal. The pulse width of the ECS command signal is provided with a plurality of values, and the pulse width of the ECS pulse signal is the first preset value.
    Type: Application
    Filed: February 8, 2023
    Publication date: February 1, 2024
    Inventors: Zequn Huang, Kai Sun
  • Patent number: 11867815
    Abstract: A laser gas detection system includes a laser gas detector and a near-eye display device. The laser gas detection system provided in the present disclosure incorporates modern display technologies and modern communication facilities to present detection results to a user of the laser gas detection system in various intuitive and highly readable forms. The laser gas detection system is further capable of projecting the detection results to a field of view of the user through the near-eye display device.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: January 9, 2024
    Assignee: Hesai Technology Co., Ltd.
    Inventors: Kai Sun, Jun Tao, Shaoqing Xiang
  • Patent number: 11867816
    Abstract: A laser gas detection system includes a laser gas detector and a near-eye display device. The laser gas detection system provided in the present disclosure incorporates modern display technologies and modern communication facilities to present detection results to a user of the laser gas detection system in various intuitive and highly readable forms. The laser gas detection system is further capable of projecting the detection results to a field of view of the user through the near-eye display device.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: January 9, 2024
    Assignee: Hesai Technology Co., Ltd.
    Inventors: Kai Sun, Jun Tao, Shaoqing Xiang
  • Patent number: 11811149
    Abstract: A multi-band antenna includes a lower grounding portion, a feed-in portion, a feeding point, an upper grounding portion, a first extending portion, a second extending portion, a third extending portion, a fourth extending portion, a fifth extending portion, a first branch, a second branch, a third branch and a loop portion. The feed-in portion, the first extending portion, the second extending portion, the third extending portion, the fourth extending portion and the first branch form a first radiation portion. The feed-in portion, the first extending portion, the second extending portion, the third extending portion, the fifth extending portion and the second branch form a second radiation portion. The feed-in portion, the first extending portion, the second extending portion and the third branch form a third radiation portion.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: November 7, 2023
    Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Ming-Ju Lin, Chih-Chung Wang, Lan-Yung Hsiao, Shao-Kai Sun
  • Patent number: 11772995
    Abstract: A total nitrogen (TN) removal device for sewage and its operation method. The TN removal device includes a denitrification tank, a supplementary reaction zone filled with aerobic granular sludge and a sedimentation and separation zone. The supplementary reaction zone and the sedimentation and separation zone are arranged inside the denitrification tank, and communicated through a three-phase separator. The sedimentation and separation zone is located above the supplementary reaction zone. A top of the sedimentation and separation zone is greater than its bottom. A membrane aerated biofilm reactor (MABR) assembly is arranged in a space formed by outer walls of the sedimentation and separation zone and supplementary reaction zone and an inner chamber of the denitrification tank. A side wall of the denitrification tank is provided with a chemical oxygen demand (COD) detector and a nitrate nitrogen detector.
    Type: Grant
    Filed: March 25, 2023
    Date of Patent: October 3, 2023
    Assignee: Greentech Environment Co., Ltd.
    Inventors: Mu Liu, Mengyuan Duan, Zehua Li, Kai Sun, Yingqiang Su, Xikun Zhu, Huiming Han, Xiaofeng Lin, Jin Li
  • Patent number: 11772999
    Abstract: A system and method for treating reverse-osmosis (RO) concentrated water with high temporary hardness. The system includes a crystallization unit, a precipitation unit, a dewatering unit, and a programmable logic controller (PLC) system. The crystallization unit, precipitation unit and dewatering unit are connected in series, and the PLC system is configured to control pumps, valves, and displays in the crystallization unit, precipitation unit and dewatering unit. The crystallization unit includes a storage tank and a crystallization reactor communicated therewith. The crystallization reactor is provided with a pH meter, a liquid-level gauge, and a stirrer. A connection pipe between the crystallization reactor and the RO concentrated water is provided with an inlet pump and a inlet valve. A connection pipe between the crystallization reactor and the storage tank is provided with a feeding pump and a feeding valve.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: October 3, 2023
    Assignee: Greentech Environment Co., Ltd.
    Inventors: Mu Liu, Zehua Li, Mengyuan Duan, Huiming Han, Xiaofeng Lin, Yingqiang Su, Kai Sun, Xikun Zhu, Liyan Zhang
  • Patent number: 11770008
    Abstract: The embodiments of the present invention provide a control system and method for a medium-voltage photovoltaic distribution system. The medium-voltage photovoltaic distribution system includes N photovoltaic modules, N DC-DC converters, a DC-AC converter and a line-frequency transformer. Outputs of the N DC-DC converters are connected in parallel to a DC bus. The DC bus is connected to the DC-AC converter. The line-frequency transformer is configured to connect to a medium-voltage AC grid. The control system includes a bus voltage sampling circuit and N DC-DC converter control circuits corresponding to the N DC-DC converters respectively. Each DC-DC converter control circuit includes a bus voltage sampling circuit, a photovoltaic sampling circuit, a droop controller, a maximum power point tracking controller, an input voltage loop regulator and a pulse width modulation wave generating circuit.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: September 26, 2023
    Assignee: Tsinghua University
    Inventors: Jiangfeng Wang, Kai Sun, Haixu Shi
  • Publication number: 20230295323
    Abstract: Provided are an anti-GITR monoclonal antibody and a humanized antibody thereof, which can be used to prepare a drug used for activating immune response, particularly a related drug for treating cancer.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 21, 2023
    Inventors: Junzhuan QIU, Zhensheng WANG, Kai SUN, Man ZHOU, Junyong CHEN, Jian SUN, Rishan OU
  • Patent number: 11760675
    Abstract: A system for treating printed circuit board wastewater (PCB) includes a production system, a pretreatment system, a biochemical system, a recovery system and a concentrated water treatment system. The production system is configured for producing process water and auxiliary water from tap water. The pretreatment system is configured to pretreat different wastewater samples separately. The biochemical system is configured to decompose the pretreated wastewater. The recovery system is configured to treat wastewater from the pretreatment system and the biochemical system to obtain process water and feed concentrated water to the concentrated water treatment system. The concentrated water treatment system is configured to treat the concentrated water to meet a discharge standard. A treatment method for the PCB wastewater is also provided.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: September 19, 2023
    Assignee: Greentech Environment Co., Ltd.
    Inventors: Mu Liu, Zehua Li, Huiming Han, Xiaofeng Lin, Yingqiang Su, Mengyuan Duan, Cong Xiao, Kai Sun, XiKun Zhu
  • Patent number: 11724879
    Abstract: A management method applied to the goods-to-person system includes: in response to a task of putting products on shelves, calculating popularity of a product to be put on shelf according to historical sales order data of the product to be put on shelf, and matching the popularity of the product to be put on shelf with popularity of a shelf to determine a shelf area; selecting a goods location with space randomly in the determined shelf area, Wherein the goods location is used for storing the product to be put on shelf; and controlling a mobile robot to transport a shelf where the goods location is located to a work station.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: August 15, 2023
    Assignee: BEIJING GEEKPLUS TECHNOLOGY CO., LTD.
    Inventors: Kai Liu, Haoyu Wang, Xun Wu, Kai Sun
  • Patent number: 11729301
    Abstract: A case assembly and a wireless communication device are provided. The case assembly includes a metal case and a plastic cladding body. The metal case includes an inner side and an outer side, the inner side is opposite to the outer side, the metal case includes a hollow portion and an antenna portion, the hollow portion is adjacent to a side of the antenna portion. The plastic cladding body is disposed on the metal case, and completely covers the outer side of the metal case, partially covers the inner side of the metal case, and fills the hollow portion. The wireless communication device includes a case assembly and a radio frequency signal module. The radio frequency signal module is electrically connected to the antenna portion of the case assembly. Thus, the structural rigidity of the wireless communication device and its case assembly is kept, and the production cost is reduced.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: August 15, 2023
    Assignee: HTC CORPORATION
    Inventors: Chih-Kuang Wang, Chin Kai Sun, Chun-Lung Chu, Tung-Hsin Yeh
  • Patent number: 11718771
    Abstract: The present invention provides a polymer composition for fibers or non-woven fabrics, comprising a vinyl aromatic based copolymer and 0 to 30 wt % of an olefin based polymer based on the total weight of the polymer composition. The vinyl aromatic copolymer is represented by a formula A1-B-A2, wherein block A1 and block A2 are the same or different vinyl aromatic blocks, block A1 or block A2 having 3,800 to 4,800 of a peak molecular weight, and block B is a hydrogenated conjugated diene block. A vinyl structure content of a conjugated diene monomer content in the vinyl aromatic based copolymer is from 32 wt % to 50 wt %; and a melt flow index (MFI) of the vinyl aromatic based copolymer is 20 g/10 min˜60 g/10 min (230° C., 2.16 kg). The present invention also provides the fibers or the non-woven fabrics made from the polymer composition.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: August 8, 2023
    Assignee: TSRC Corporation
    Inventors: Tai-Yi Shiu, Feng-Yu Yang, Yu-Chuan Tsai, Der-Kai Sun, Ching Ting
  • Publication number: 20230234871
    Abstract: A system for treating printed circuit board wastewater (PCB) includes a production system, a pretreatment system, a biochemical system, a recovery system and a concentrated water treatment system. The production system is configured for producing process water and auxiliary water from tap water. The pretreatment system is configured to pretreat different wastewater samples separately. The biochemical system is configured to decompose the pretreated wastewater. The recovery system is configured to treat wastewater from the pretreatment system and the biochemical system to obtain process water and feed concentrated water to the concentrated water treatment system. The concentrated water treatment system is configured to treat the concentrated water to meet a discharge standard. A treatment method for the PCB wastewater is also provided.
    Type: Application
    Filed: March 31, 2023
    Publication date: July 27, 2023
    Inventors: Mu LIU, Zehua LI, Huiming HAN, Xiaofeng LIN, Yingqiang SU, Mengyuan DUAN, Cong XIAO, Kai SUN, XiKun ZHU
  • Publication number: 20230234870
    Abstract: A system and method for treating reverse-osmosis (RO) concentrated water with high temporary hardness. The system includes a crystallization unit, a precipitation unit, a dewatering unit, and a programmable logic controller (PLC) system. The crystallization unit, precipitation unit and dewatering unit are connected in series, and the PLC system is configured to control pumps, valves, and displays in the crystallization unit, precipitation unit and dewatering unit. The crystallization unit includes a storage tank and a crystallization reactor communicated therewith. The crystallization reactor is provided with a pH meter, a liquid-level gauge, and a stirrer. A connection pipe between the crystallization reactor and the RO concentrated water is provided with an inlet pump and a inlet valve. A connection pipe between the crystallization reactor and the storage tank is provided with a feeding pump and a feeding valve.
    Type: Application
    Filed: March 31, 2023
    Publication date: July 27, 2023
    Inventors: Mu LIU, Zehua LI, Mengyuan DUAN, Huiming HAN, Xiaofeng LIN, Yingqiang SU, Kai SUN, Xikun ZHU, Liyan ZHANG
  • Publication number: 20230227341
    Abstract: A total nitrogen (TN) removal device for sewage and its operation method. The TN removal device includes a denitrification tank, a supplementary reaction zone filled with aerobic granular sludge and a sedimentation and separation zone. The supplementary reaction zone and the sedimentation and separation zone are arranged inside the denitrification tank, and communicated through a three-phase separator. The sedimentation and separation zone is located above the supplementary reaction zone. A top of the sedimentation and separation zone is greater than its bottom. A membrane aerated biofilm reactor (MABR) assembly is arranged in a space formed by outer walls of the sedimentation and separation zone and supplementary reaction zone and an inner chamber of the denitrification tank. A side wall of the denitrification tank is provided with a chemical oxygen demand (COD) detector and a nitrate nitrogen detector.
    Type: Application
    Filed: March 25, 2023
    Publication date: July 20, 2023
    Inventors: Mu LIU, Mengyuan DUAN, Zehua LI, Kai SUN, Yingqiang SU, Xikun ZHU, Huiming HAN, Xiaofeng LIN, Jin LI
  • Publication number: 20230232156
    Abstract: A double-sided speaker, comprising a magnetic conductive carrying plate, an auxiliary magnetic conductive member, a side magnetic conductive member, a first magnetic circuit module, a second magnetic circuit module, a first voice coil, a second voice coil, a first vibrating component, and a second vibrating component. The magnetic conductive carrying plate comprises a sidewall and a bottom plate. One side surface of the bottom plate comprises a first side edge and a second side edge opposite to the first side edge. The sidewall is disposed at the first side edge. The auxiliary magnetic conductive member is assembled to the second side edge. The side magnetic conductive member is disposed at a side edge of another side surface of the bottom plate. The first magnetic circuit module is disposed at one side of the magnetic conductive carrying plate, of which the second magnetic circuit module is disposed at another side.
    Type: Application
    Filed: November 17, 2022
    Publication date: July 20, 2023
    Applicant: ShenZhen Luxshare Acoustics Technology Ltd.
    Inventors: ZhiHua TONG, Chih-Kai SUN
  • Patent number: D996755
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: August 22, 2023
    Assignee: Beijing Roborock Technology Co., Ltd.
    Inventor: Kai Sun
  • Patent number: D1004240
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: November 7, 2023
    Assignee: Beijing Roborock Technology Co., Ltd.
    Inventor: Kai Sun