Patents by Inventor Jun Luo

Jun 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).

  • Patent number: 11716091
    Abstract: A multi-bit resolution sub-pipeline structure for measuring a jump magnitude of a transmission curve, comprising: a sub-analog-to-digital converter having n-bit resolution configured to quantize input analog voltage signals and output digital voltage signals; a sub-digital-to-analog converter having n-bit resolution configured to convert the digital voltage signals output by the sub-analog-to-digital converter into corresponding analog voltage signals; a decoder having n-bit resolution configured to decode an n-bit binary input signal; and a switched-capacitor amplification unit configured to, when in a normal mode, perform sampling and residue amplification on the input analog voltage signals; and when in a test mode, measure the jump magnitude of the transmission curve corresponding to each decision level. Magnitude measurement of a transmission curve is performed within 2n clock periods, th and a measurement result is sent to a back-end digital domain of the A/D converter for correction.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: August 1, 2023
    Assignees: No. 24 Research Institute Of China Electronics Technology Group Corporation, Chongqing GigaChip Technology Co., Ltd.
    Inventors: Tao Liu, Jian'an Wang, Yuxin Wang, Shengdong Hu, Zhou Yu, Minming Deng, Daiguo Xu, Lu Liu, Dongbing Fu, Jun Luo, Xu Wang, Yan Wang, Zicheng Xu
  • Publication number: 20230224062
    Abstract: This application discloses an optical signal control method and apparatus, and belongs to the optical communication field. The apparatus includes: a light source, configured to output a first optical signal; an optical switch module, configured to receive the first optical signal and an external second optical signal, and output a third optical signal; and a detection module, configured to detect whether a power change of the second optical signal on at least one wavelength channel is greater than a preset power change threshold, if so, the optical switch module adjusts on/off states of at least one wavelength channel of the received first optical signal and the at least one wavelength channel of the received second optical signal, so that an adjusted first optical signal and an adjusted second optical signal are combined to obtain the third optical signal.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 13, 2023
    Inventors: Jun Luo, Zhiyong Feng, Jian Zhong
  • Publication number: 20230214391
    Abstract: As described herein, a N-Gram index may be created and the search may be conducted using the index, which will lead to faster search results. The N-Gram index may also include partial N-Gram components to capture more relevant data. Moreover, as described herein, the search may also take into account recent log data that has not yet been indexed. Techniques for building an index store using log data and efficiently searching the index store and log data to process search requests are described herein.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 6, 2023
    Inventors: Lin Chan, Tianyi Chen, Benoit Dageville, Yiming Kang, Jun Luo, Nithin Mahesh, Eric Robinson, Brian Smith
  • Patent number: 11692607
    Abstract: A magnetic suspension type sensing system for space full-degree-of-freedom absolute poses is provided. The system includes a reference platform, multiple quasi-zero stiffness supporting legs and a platform to be tested. The reference platform and the platform to be tested are connected in a spherical hinge mode through the multiple quasi-zero stiffness supporting legs. Each of the multiple quasi-zero stiffness supporting legs includes a lower end spherical hinge, a lower end cover, a positive stiffness unit, a negative stiffness unit, a shaft, a lower end shell, an upper end shell and an upper end spherical hinge.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: July 4, 2023
    Assignees: Chongqing University, SHANGHAI UNIVERSITY
    Inventors: Huayan Pu, Yan Jing, Jinglei Zhao, Jun Luo, Yi Qin, Zhijiang Xie, Jie Ma
  • Publication number: 20230203271
    Abstract: A polymer composition containing a thermoplastic polymer and an electromagnetic interference filler is provided. At a thickness of 3.2 millimeters and over a frequency range from 2 GHz to 18 GHz, the composition may exhibit an average absorbency of about 25% or greater and an average electromagnetic interference shielding effectiveness of about 40 decibels or more, as determined in accordance with ASTM D4935-18.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yuehua Yu, Joseph Grenci, Brian Hokkanen, Darin Grinsteinner, Jun Luo, Prabuddha Bansal
  • Publication number: 20230204087
    Abstract: A hydraulic composite bushing includes: a core shaft, with a continuously spiral fluid channel groove; a rubber member, arranged around the core shaft, and having two recesses formed radially outside of the fluid channel groove and radially opposite to each other; a support ring arranged around the rubber member; an outer cover pressing on the support ring from a radially outer side thereof; and a sealing device provided at each end of a fluid channel tube arranged within the fluid channel groove. Two ends of the fluid channel tube pass through the rubber member radially to extend into two hydraulic chambers respectively, with the hydraulic chambers in communication with each other through the fluid channel tube. One end of the sealing device is arranged inside the flow channel groove and the other end thereof passes through the rubber member to extend into the hydraulic chambers.
    Type: Application
    Filed: September 30, 2020
    Publication date: June 29, 2023
    Inventors: Xingwu DING, Jiling BU, Haitao CHENG, Wensong LIU, Bo ZOU, Jun LUO, Feng WANG, Jicao ZOU, Zhangyang XIA
  • Publication number: 20230189332
    Abstract: A method includes generating, by an apparatus, a physical protocol data unit (PPDU) for a downlink multiple-user transmission, wherein the PPDU includes: a legacy preamble, a high efficiency Wi-Fi Signaling Field 1 (HEW-SIG1), a high efficiency Wi-Fi Signaling Field 2 (HEW-SIG2), adjacent to the HEW-SIG1, and a data portion, and wherein the HEW-SIG1 comprises a HEW-SIG2 modulation and coding scheme (HEW-SIG2 MCS) field, the HEW-SIG2 MCS field indicates a transmission modulation and coding scheme (MCS) used to transmit the HEW-SIG2, the HEW-SIG1 further comprises a frame structure indication field, and the frame structure indication field indicates whether a frame structure of a scheduling transmission is an uplink structure or a downlink structure, and the HEW-SIG2 comprises resource indication information; and sending, by the apparatus, the PPDU.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Yingpei Lin, Jiayin Zhang, Jun Luo, Le Liu
  • Publication number: 20230178133
    Abstract: An in-memory computing circuit having reconfigurable logic, including: an input stage and N output stages which are cascaded. The input stage includes 2N STT-MTJs. Each output stage includes STT-MTJs, of which a quantity is equal to a half of a quantity of STT-MTJs in a just previous stage. Two STT-MTJs in the previous stage and one STT-MTJ in the subsequent stage form a double-input single-output in-memory computing unit. Each double-input single-output in-memory computing unit can implement the four logical operations, i.e., NAND, NOR, AND, and OR, under different configurations. Data storage and logical operations can be realized under the same circuit architecture, and reconfigurations among different logic can be achieved.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 8, 2023
    Inventors: Yan Cui, Jun Luo, Meiyin Yang, Jing Xu
  • Patent number: 11661990
    Abstract: A formation method for liquid rubber composite nodes with a tubular flow channel is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; installing a tubular flow channel in the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the tubular flow channel.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: May 30, 2023
    Assignee: ZHUZHOU TIMES RUIWEI ANTI-VIBERATION EQUIPMENT LIMITED
    Inventors: Jun Luo, Wensong Liu, Sheng Lin, Zhongsan Jiang, Junhui Chen, Yuxiang Zhang, Xianhui Zeng, Jing Li, Juan Zhou
  • Publication number: 20230144012
    Abstract: A cover for HVAC conduits and wiring exiting a structure is provided permitting a simplified solution to protect the line set in an aesthetically pleasing manner. A two-part face plate fits around the conduits and wiring. Each face plate includes a partial cone-shaped protruding member that circumscribes the conduits and wiring once installed. The cover also includes a sleeve that fits around the conduits, distal the cone-shaped protruding members in a tight-fitting manner providing further protection. The cover is easily removeable for a service technician to maintain and repair the conduits or wiring in future servicing.
    Type: Application
    Filed: August 26, 2022
    Publication date: May 11, 2023
    Inventors: Zhengyi Xu, Jun Luo, Caitlin Krc
  • Publication number: 20230147560
    Abstract: A heat exchange plate for use in a plate-type heat exchanger, and a plate-type heat exchanger having same. The heat exchange plate having a heat exchange portion and a port portion; fluids having different temperatures exchange heat with each other by means of the heat exchange portion; an opening used as the port of the heat exchanger is formed in the port portion. The heat exchange plate includes a first side and a second side in a direction perprendicular to the heat exchange plate; the port portion is provided with a contact porition that is in contact with the port portion of another heat exchange plate at the first side, and a protrusion protruding towards the second side relative to the contact portion. The heat exchange plate and the plate-type heat exchanger of the embodiments of the present invention can, for example, improve the quality of the port portion of the heat exchange plate of the heat exchanger.
    Type: Application
    Filed: October 28, 2020
    Publication date: May 11, 2023
    Inventors: Zhifeng ZHANG, Jun LUO
  • Publication number: 20230141864
    Abstract: The present disclosure provides a method for predicting a remaining useful life (RUL) of an aero-engine, specifically including: acquiring multidimensional degradation parameters of an aero-engine to be predicted to obtain acquired data; segmenting the acquired data by a sliding window (SW) to obtain preprocessed data; constructing a RUL prediction model of the aero-engine including a multibranch convolutional neural network (MBCNN) model, a multicellular bidirectional long short-term memory (MCBLSTM) model, a fully connected (FC) layer FC1, and a regression layer; taking the preprocessed data as input data of the MBCNN model, extracting an output of the MBCNN model, taking the output of the MBCNN model and recursive data as input data of the MCBLSTM model, and extracting an output of the MCBLSTM model; obtaining an output of the FC layer FC1, and inputting the output of the FC layer FC1 to the regression layer to predict a RUL.
    Type: Application
    Filed: October 24, 2022
    Publication date: May 11, 2023
    Applicant: Chongqing University
    Inventors: Yi QIN, Sheng XIANG, Jun LUO, Huayan PU, Quan QIAN
  • Publication number: 20230134358
    Abstract: As described herein, a N-Gram index may be created and the search may be conducted using the index, which will lead to faster search results. The N-Gram index may also include partial N-Gram components to capture more relevant data. Moreover, as described herein, the search may also take into account recent log data that has not yet been indexed. Techniques for building an index store using log data and efficiently searching the index store and log data to process search requests are described herein.
    Type: Application
    Filed: November 30, 2021
    Publication date: May 4, 2023
    Inventors: Lin Chan, Tianyi Chen, Benoit Dageville, Yiming Kang, Jun Luo, Nithin Mahesh, Eric Robinson, Brian Smith
  • Publication number: 20230130223
    Abstract: Disclosed herein are methods for a RNA in situ hybridization assay workflow for the detection of target RNA within intact cells for the detection of prostate cancer cells in urine samples. The methods disclosed herein can identify a genetic susceptibility to prostate cancer in a subject and differentiate high risk from low risk prostate cancers. The methods disclosed herein can also include treatment and management strategies for prostate cancer and the prevention thereof.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 27, 2023
    Inventors: Jun Luo, Christian P. Pavlovich, William Brewster Isaacs, Jillian N. Eskra
  • Publication number: 20230126625
    Abstract: High density polyethylene polymers, including high molecular weight and ultrahigh molecular weight polyethylene polymers, are disclosed that are at least partially made from bio-based feedstocks. The bio-based feedstocks are selected so as to produce high purity monomers capable of producing high density polymers for use in high purity applications, such as in producing implants and porous membranes for lithium-ion batteries.
    Type: Application
    Filed: October 25, 2022
    Publication date: April 27, 2023
    Inventors: Rainer Walkenhorst, Dominique Schroeer, Britta Richter, Nina Nordlander, Argiri Tsami-Schulte, Uwe Wertheimer, Jun Luo
  • Publication number: 20230125211
    Abstract: The present application discloses a spin Hall device, a method for obtaining a Hall voltage, and a max pooling method. The spin Hall device includes a cobalt ferroboron layer. A top view and a bottom view of the spin Hall device are completely the same as a cross-shaped graph that has two axes of symmetry perpendicular to each other and equally divided by each other. The spin Hall device of the present application has non-volatility and analog polymorphic characteristics, can be used for obtaining a Hall voltage and applied to various circuits, is simple in structure and small in size, can save on-chip resources, and can meet computation requirements.
    Type: Application
    Filed: September 12, 2022
    Publication date: April 27, 2023
    Applicant: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Yan CUI, Jun LUO, Meiyin YANG, Jing XU
  • Patent number: 11636110
    Abstract: As described herein, a N-Gram index may be created and the search may be conducted using the index, which will lead to faster search results. The N-Gram index may also include partial N-Gram components to capture more relevant data. Moreover, as described herein, the search may also take into account recent log data that has not yet been indexed. Techniques for building an index store using log data and efficiently searching the index store and log data to process search requests are described herein.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 25, 2023
    Assignee: Snowflake Inc.
    Inventors: Lin Chan, Tianyi Chen, Benoit Dageville, Yiming Kang, Jun Luo, Nithin Mahesh, Eric Robinson, Brian Smith
  • Publication number: 20230117768
    Abstract: Methods and systems for federated learning using a parameterized optimization algorithm are described. A central server receives, from each of a plurality of user devices, a proximal map and feedback representing a current state of each user device. The server computes an update to optimization parameters of a parameterized optimization algorithm, using the received feedback. Model updates are computed for each user device, using the received proximal maps and the parameterized optimization algorithm having the updated optimization parameters. Each model update is transmitted to each respective client for updating the respective model.
    Type: Application
    Filed: October 13, 2022
    Publication date: April 20, 2023
    Inventors: Kiarash SHALOUDEGI, Yaoliang YU, Jun LUO
  • Publication number: 20230111657
    Abstract: The present disclosure discloses an electro-hydraulic varifocal lens-based method for tracking a 3D trajectory of a moving object. The method includes the following steps of: (1) obtaining a functional relation between a focusing control current and camera's intrinsic parameters; (2) obtaining a functional relation between focusing control currents of the electro-hydraulic varifocal lens and an optimal object distance; (3) initializing an object tracking algorithm, and taking an object tracking box as a subsequent focusing window; (4) carrying out first autofocusing, recording a focusing control current value after the autofocusing is completed, as well as a size and center point coordinates of the object tracking box; (5) calculating and recording coordinates of the object in 3D space; and (6) repeating steps (4) and (5) for the same object, and sequentially connecting the recorded coordinates of the object in 3D space into a trajectory.
    Type: Application
    Filed: August 30, 2022
    Publication date: April 13, 2023
    Inventors: SHAORONG XIE, HENGYU LI, JINGYI LIU, YUEYING WANG, SHUANG HAN, JUN LUO
  • Patent number: 11626947
    Abstract: A method includes: determining first indication information, where the first indication information indicates a resource location of a second synchronization signal block, and the second synchronization signal block is associated with control information; and sending a first synchronization signal block, where a physical broadcast channel in the first synchronization signal block carries the first indication information.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 11, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chao Li, Shulan Feng, Junwei Wang, Jingxin Wei, Weiwei Fan, Jun Zhu, Qiong Jia, Jun Luo