Patents by Inventor Pengfei Zhao

Pengfei Zhao 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: 20250230955
    Abstract: Disclosed are an oil-free bearing liquid supply air-conditioning system and a control method therefor. The system includes a compressor, a condenser, an evaporator, a first refrigeration liquid supply path for bearing lubrication from the condenser to the compressor, a second refrigeration liquid supply path for bearing lubrication from the condenser to the compressor, and a communication pipeline arranged between the condenser and the evaporator, the communication pipeline including a first solenoid valve. At least two refrigeration liquid pumps are arranged in the second refrigeration liquid supply path for bearing lubrication, the at least two refrigeration liquid pumps are arranged in parallel, and the at least two refrigeration liquid pumps include a main refrigeration liquid pump and at least one standby refrigeration liquid pump.
    Type: Application
    Filed: March 31, 2025
    Publication date: July 17, 2025
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Chenglin CAO, Xu FENG, Hui CONG, Jianxing CHEN, Pengfei ZHAO, Zhen MA, Zhenjun CHENG
  • Publication number: 20250199326
    Abstract: A projection display system and a full-color projection optical engine are disclosed. Pixel dimensions of the blue light-emitting pixel array and pixel dimensions of the green light-emitting pixel array are both smaller than pixel dimensions of the red light-emitting pixel array. At least one group of pixel expansion apparatuses is disposed between the red light-emitting pixel array and the light-combining prism. The at least one group of pixel expansion apparatuses is configured to obtain expanded red light based on the red light, where resolution of an image obtained based on the expanded red light is n times resolution of an image obtained based on the red light, and n>1.
    Type: Application
    Filed: March 22, 2024
    Publication date: June 19, 2025
    Inventors: Kun LUO, Pengfei ZHAO, Congbiao JIANG
  • Publication number: 20250124859
    Abstract: A processing circuit includes a load unit and a detection circuit, and a proportional relationship exists between a load value of the load unit and a load value of a first pixel line. The load value of the load unit is obtained through the detection circuit, to obtain the load value of the first pixel line. Then, based on the load value of the first pixel line, a drive current circuit is controlled to provide a corresponding drive current to the first pixel line. When the drive current enables a light-emitting diode (LED) on the first pixel line to emit light within drive time, a current value is as small as possible.
    Type: Application
    Filed: December 23, 2024
    Publication date: April 17, 2025
    Inventors: Kun Luo, Congbiao Jiang, Shipeng Chi, Pengfei Zhao
  • Patent number: 12257085
    Abstract: Provided are a CT scanning method and system, an electronic device, and a computer-readable storage medium. The method includes: determining a first coordinate of a mark point of a part to be imaged in a dual-camera coordinate system; converting the first coordinate into a second coordinate of the mark point in a CT coordinate system according to coordinate system transformation parameters; generating first locating information according to the second coordinate to drive a scanning table to move to a first location designated by the first locating information; obtaining projection images of the part to be scanned; determining second locating information and scanning information of the part to be scanned according to the projection images; and driving the scanning table to move to a second location designated by the second locating information according to the second locating information and performing CT scanning according to the scanning information.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: March 25, 2025
    Assignees: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY, TSINGHUA UNIVERSITY
    Inventors: Zhenchang Wang, Li Zhang, Hongxia Yin, Yuxiang Xing, Zhiqiang Chen, Kejun Kang, Liang Li, Pengfei Zhao, Zhengyu Zhang, Jing Li, Han Lv
  • Publication number: 20250039341
    Abstract: A projection apparatus includes a pixel array disposed on a substrate, where the pixel array has a light-emitting feature; a cantilever beam disposed on the substrate and configured to fasten a micro-electro-mechanical system (MEMS) lens, where the cantilever beam is disposed outside the pixel array, the MEMS lens is configured to scan the pixel array, the cantilever beam and the MEMS lens form a MEMS lens scanner; and a driver coupled to the pixel array and the MEMS lens and configured to drive the pixel array having a light-emitting feature to perform color display to obtain a projected image.
    Type: Application
    Filed: August 20, 2024
    Publication date: January 30, 2025
    Inventors: Kun Luo, Wei Xiong, Pengfei Zhao
  • Publication number: 20240414998
    Abstract: This application provides a display panel, a preparation method therefor, and a display apparatus. A first display region of the display panel has an OLED pixel, a second display region has a Micro LED pixel, the Micro LED pixel has a light emitting region and a light transmission region, and a camera is disposed below the second display region. After the Micro LED pixel is used in the second display region, display pixels having a same area in the first display region and the second display region can be designed, to implement display effect consistency between the first display region and the second display region. Because a size of the Micro LED pixel for light emitting is small, it can be ensured that the Micro LED pixel has a large light transmission region, so that light transmittance of the second display region can be improved.
    Type: Application
    Filed: August 20, 2024
    Publication date: December 12, 2024
    Inventors: Wei XIONG, Kun LUO, Congbiao JIANG, Shipeng CHI, Pengfei ZHAO
  • Patent number: 12121859
    Abstract: The present application provides a modular membrane isolation carbon desorption device, a carbon capture system, a method, and an application thereof. The device comprises an electrolyzer in which a plurality of anion exchange membranes are arranged, dividing the electrolyzer into multiple electrolysis units. Each electrolysis unit is equipped with electrodes, and the polarities of the electrodes in adjacent units are opposite. An electrolysis unit containing a positive electrode function as an anode electrolysis unit, while one with a negative electrode serves as a cathode electrolysis unit. This application effectively reduces heat loss during the carbon desorption process and enables dual-sided dissolution of the positive electrode and dual-sided deposition of the negative electrode, thereby enhancing electrolysis efficiency during the carbon desorption process.
    Type: Grant
    Filed: July 11, 2024
    Date of Patent: October 22, 2024
    Assignee: Central South University
    Inventors: Changhong Wang, Xinbing Xia, Pengfei Zhao, Yibo Li, Hong Liu, Shuai Li, Kangkang Li, Shenghai Yang, Yongming Chen, Chaobo Tang, Jianguang Yang
  • Patent number: 12108457
    Abstract: Systems, methods, and computer-readable storage media for measuring one-way delay in multi-access networks (MAMS) are provided. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: October 1, 2024
    Assignee: Intel Corporation
    Inventors: Jing Zhu, Pengfei Zhao
  • Patent number: 12094188
    Abstract: The present disclosure relates to a training method and a training system for training a learning network for medical image analysis. The training method includes: acquiring an original training data set for a learning network with a predetermined structure; performing, by a processor, a pre-training on the learning network using the original training data set to obtain a pre-trained learning network; evaluating, by the processor, the pre-trained learning network to determine whether the pre-trained learning network has an evaluation defect; when the pre-trained learning network has the evaluation defect, performing, by the processor, a data augmentation on the original training data set for the existing evaluation defect; and performing, by the processor, a refined training on the pre-trained learning network using a data augmented training data set.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: September 17, 2024
    Assignee: SHENZHEN KEYA MEDICAL TECHNOLOGY CORPORATION
    Inventors: Junhuan Li, Ruoping Li, Ling Hou, Pengfei Zhao, Yuwei Li, Kunlin Cao, Qi Song
  • Publication number: 20240233132
    Abstract: A method and an electronic device with image data generating are disclosed. The electronic device includes: one or more processors; and memory storing instructions configured to cause the one or more processors to: input an input image to a target model that performs segmenting on the input image to generate a segmented image whose pixels have respective class labels predicted by the target model, calculate an optimization value for the input image based on the segmented image and based on a class label of a first grid area among a plurality of grid areas of a guide image, and optimize the input image based on the optimization value.
    Type: Application
    Filed: October 2, 2023
    Publication date: July 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fang LIU, Fengtao XIE, Fangfang DU, Ke LU, Pengfei ZHAO
  • Publication number: 20240231074
    Abstract: The present disclosure relates to displays and imaging methods. One example display includes a self-luminous array, a pixel expansion apparatus, and a lens of an optical engine. The self-luminous array includes a plurality of self-luminous pixels that autonomously emit light. The pixel expansion apparatus includes a driver and a transparent flat plate. A light beam emitted by the self-luminous array is imaged on an imaging plane of the lens of the optical engine through the transparent flat plate. The transparent flat plate is driven by the driver. In some instances, for the display module, in a time dimension, a same unit imaging area can display different colors in a time-division manner, and in a space dimension, a shift of a light beam can be controlled.
    Type: Application
    Filed: March 21, 2024
    Publication date: July 11, 2024
    Inventors: Kun LUO, Pengfei ZHAO, Congbiao JIANG
  • Publication number: 20240236289
    Abstract: A projection optical engine, an electronic device, and a projection imaging method are provided, to resolve a limitation of the projection optical engine on miniaturization of the electronic device. The light combination apparatus is configured to combine light emitted by one pixel of the first color and light emitted by one pixel of the second color, and then emit combined light. The light emitted by the light combination apparatus is imaged on an imaging plane after passing through the pixel expansion apparatus and the optical engine lens. The pixel expansion apparatus is configured to enable the light emitted by the light combination apparatus to be imaged at different locations on the imaging plane at different moments.
    Type: Application
    Filed: March 22, 2024
    Publication date: July 11, 2024
    Inventors: Kun LUO, Pengfei ZHAO, Congbiao JIANG
  • Publication number: 20240163030
    Abstract: Packet recovery mechanisms for wireless networks, which improve end-to-end (e2e) reliability, are provided. First embodiments include packet retransmission between a receiver and a transmitter, wherein, if the transmitter cannot find a lost packet in its transmission buffer, the transmitter sends a First Sequence Number (FSN) report to the receiver to notify the receiver of a sequence number (SN) of an oldest (acknowledged) packet in the buffer. In response, the receiver does not report lost packets whose SN is older than the FSN. Second embodiments involve using a network coding algorithm to recover lost packets, wherein the transmitter sends a control message to the receiver that includes a coded packet to be recovered and information for decoding the coded packet. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 16, 2024
    Inventors: Jing ZHU, Pengfei ZHAO, Nageen HIMAYAT, Vered BAR BRACHA
  • Publication number: 20240135543
    Abstract: A method and an electronic device with image data generating are disclosed. The electronic device includes: one or more processors; and memory storing instructions configured to cause the one or more processors to: input an input image to a target model that performs segmenting on the input image to generate a segmented image whose pixels have respective class labels predicted by the target model, calculate an optimization value for the input image based on the segmented image and based on a class label of a first grid area among a plurality of grid areas of a guide image, and optimize the input image based on the optimization value.
    Type: Application
    Filed: October 1, 2023
    Publication date: April 25, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fang LIU, Fengtao XIE, Fangfang DU, Ke LU, Pengfei ZHAO
  • Publication number: 20240123838
    Abstract: A battery module includes: a plurality of cells; and a cell restraining structure having an internal frame and an external shell fit with the internal frame to form a plurality of chambers for receiving the plurality of cells respectively so as to package and manage the cells. The internal frame includes an elastic element forming at least one first surface of each chamber, the elastic element being elastically deformed as being pressed by a predetermined amount by a corresponding cell received in each chamber such that the elastically deformed elastic element exerts a first force to the corresponding cell. The elastically deformed elastic element is further pressed or tends to recover in responding to reversible expansion or contraction of the corresponding cell in operation such that a restraining force to the corresponding cell is determined by the first force.
    Type: Application
    Filed: November 17, 2020
    Publication date: April 18, 2024
    Applicant: SAIC MOTOR CORPORATION LIMITED
    Inventors: Kewei LU, Dingxian ZHOU, Zhao LI, Dong XU, Pengfei ZHAO
  • Patent number: 11931208
    Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: March 19, 2024
    Assignee: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY
    Inventors: Zhenchang Wang, Wei Zheng, Han Lv, Pengling Ren, Dehong Luo, Linkun Cai, Yawen Liu, Hongxia Yin, Pengfei Zhao, Jing Li, Dong Liu, Erwei Zhao, Tingting Zhang
  • Patent number: 11863328
    Abstract: Packet recovery mechanisms for wireless networks, which improve end-to-end (e2e) reliability, are provided. First embodiments include packet retransmission between a receiver and a transmitter, wherein, if the transmitter cannot find a lost packet in its transmission buffer, the transmitter sends a First Sequence Number (FSN) report to the receiver to notify the receiver of a sequence number (SN) of an oldest (acknowledged) packet in the buffer. In response, the receiver does not report lost packets whose SN is older than the FSN. Second embodiments involve using a network coding algorithm to recover lost packets, wherein the transmitter sends a control message to the receiver that includes a coded packet to be recovered and information for decoding the coded packet. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 2, 2024
    Assignee: Intel Corporation
    Inventors: Jing Zhu, Pengfei Zhao, Nageen Himayat, Vered Bar Bracha
  • Patent number: 11855616
    Abstract: An integrated circuit, a control method, and a system are provided, to improve reliability of the integrated circuit. The integrated circuit mainly includes a power supply pin, a configuration pin, a switchable pull-up resistor, and a control unit. The integrated circuit can provide a control signal for a target chip using the configuration pin of the integrated circuit. In the integrated circuit, a first end of the switchable pull-up resistor is connected to the power supply pin, a second end of the switchable pull-up resistor is connected to the configuration pin, and a control end of the switchable pull-up resistor is connected to the control unit. The power supply pin can receive a power supply voltage of the integrated circuit.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: December 26, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Pengfei Zhao, Lijuan Tan
  • Patent number: 11748879
    Abstract: Embodiments of the disclosure provide systems and methods for detecting a medical condition of a subject. The system includes a communication interface configured to receive a sequence of images acquired from the subject by an image acquisition device and an end-to-end multi-task learning model. The end-to-end multi-task learning model includes an encoder, a Convolutional Recurrent Neural Network (ConvRNN), and at least one of a decoder and a classifier. The system further includes at least one processor configured to extract feature maps from the images using the encoder, capture contextual information between adjacent images in the sequence using the ConvRNN, and detect medical condition of the subject using the classifier based on the extracted feature maps of the image slices and the contextual information or segment each image slice using the decoder to obtain a region of interest indicative of the medical condition based on the extracted feature maps.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: September 5, 2023
    Assignee: KEYAMED NA, INC.
    Inventors: Feng Gao, Youbing Yin, Danfeng Guo, Pengfei Zhao, Xin Wang, Hao-Yu Yang, Yue Pan, Yi Lu, Junjie Bai, Kunlin Cao, Qi Song, Xiuwen Yu
  • Publication number: 20230190210
    Abstract: Provided are a CT scanning method and system, an electronic device, and a computer-readable storage medium. The method includes: determining a first coordinate of a mark point of a part to be imaged in a dual-camera coordinate system; converting the first coordinate into a second coordinate of the mark point in a CT coordinate system according to coordinate system transformation parameters; generating first locating information according to the second coordinate to drive a scanning table to move to a first location designated by the first locating information; obtaining projection images of the part to be scanned; determining second locating information and scanning information of the part to be scanned according to the projection images; and driving the scanning table to move to a second location designated by the second locating information according to the second locating information and performing CT scanning according to the scanning information.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 22, 2023
    Applicants: BEIJING FRIENDSHIP HOSPITAL, CAPITAL MEDICAL UNIVERSITY, TSINGHUA UNIVERSITY
    Inventors: Zhenchang WANG, Li ZHANG, Hongxia YIN, Yuxiang XING, Zhiqiang CHEN, Kejun KANG, Liang LI, Pengfei ZHAO, Zhengyu ZHANG, Jing LI, Han LV