Patents by Inventor Nan Xu

Nan Xu 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: 20240137481
    Abstract: A method of generating stereoscopic display contents includes obtaining, from a Red, Green, Blue plus Distance (RGB-D) image using a processor, a first Red, Green, and Blue (RGB) image and a depth image; determining, based on depth values in the depth image, a first disparity map in accordance with the RGB-D image; determining a second disparity map and a third disparity map by transforming the first disparity map using a disparity distribution ratio; and generating, by the processor, the pair of stereoscopic images comprising a second RGB image and a third RGB image, wherein the second RGB image is generated by shifting a first set of pixels in the first RGB image based on the second disparity map, and the third RGB image is generated by shifting a second set of pixels in the first RGB image based on the third disparity map.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 25, 2024
    Inventors: Xin Xie, Nan Xu, Xu Chen
  • Publication number: 20240130068
    Abstract: Technologies for a flexible three-dimensional power plane in a chassis are disclosed. In one embodiment, a flexible ribbon cable is laid along a circuit board tray. The flexible ribbon cable is secured to the tray using power bosses. The power bosses connect to one or more conductors on the ribbon cable. When the circuit board is mounted on the circuit board tray, the power bosses extend through holes in the circuit board and mate with power clips on the surface of the circuit board tray. The ribbon cable, power bosses, and power clips can distribute power to various locations on the circuit board, without requiring large traces that take up space on the circuit board.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Applicant: Intel Corporation
    Inventors: Nan Wang, Zhichao Z. Zhang, Lihui Wu, Jialiang Xu, Xiaoguo Liang, Bo Chen, Haifeng Gong
  • Publication number: 20240127770
    Abstract: Embodiments include methods and devices for per layer motion adaptive over-drive strength control for a display panel. Various embodiments may include determining motion information associated with a frame layer, determining an over-drive strength factor for the frame layer based at least in part on the motion information associated with the frame layer, and determining whether the over-drive strength factor is associated with computing a content difference. Various embodiments may include, in response to determining that the over-drive strength factor is associated with computing a content difference, performing fragment shading on the framebuffer object for the frame layer to generate an over-drive compensated framebuffer object for the frame layer based at least in part on the over-drive strength factor, and outputting the over-drive compensated framebuffer object for the frame layer to a default framebuffer for rendering on the display panel.
    Type: Application
    Filed: April 20, 2021
    Publication date: April 18, 2024
    Inventors: Nan ZHANG, Bo DU, Ya KONG, Yongjun XU
  • Publication number: 20240116960
    Abstract: Disclosed is a method of preparing glufosinate, and specifically a method of preparing glufosinate represented by formula (1) or its salt or enantiomer, or a mixture of its enantiomers in any ratio, comprising a step of hydrolyzing a compound of formula (III) to generate a compound of formula (1). Due to a distinctive reaction mechanism adopted in the method of the present disclosure, a halogenated hydrocarbon by-product in the Michaelis-Arbuzov reaction can be avoided and thus the destructive impact of the halogenated hydrocarbon by-product on ozone in the aerosphere can be prevented. Accordingly, the equipment and engineering investments required for the separation, purification, and collection of the foregoing by-product are eliminated, and the potential environmental and safety hazards brought by the foregoing by-product are also avoided.
    Type: Application
    Filed: April 27, 2023
    Publication date: April 11, 2024
    Inventors: Wenjie TANG, Chengjun WU, Nan LI, Jianjie XU, Xianzhong TANG, Chunhui MAO
  • Patent number: 11935502
    Abstract: Aspects of the present disclosure can receive a hardware Vsync signal from a display, generate a hardware timestamp signal based on the hardware Vsync signal, determine an error for a pulse in the hardware timestamp signal, determine whether the error for the pulse is over a threshold, synchronize a software Vsync signal based on the hardware timestamp signal, wherein the pulse of the hardware timestamp signal is ignored in synchronization based on whether the error is above the threshold, and control rendering and transmission of a frame to the display based on the synchronized software Vsync signal.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: March 19, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Nan Zhang, Long Han, Yongjun Xu
  • Patent number: 11936411
    Abstract: Systems, methods, and apparatuses, including electronic devices and computer-readable storage media, for adaptively switching wireless connections between antennas of a wearable electronic device and a host electronic device. One device includes a wearable electronic device with a first and second housing, each housing including two or more antennas. The wearable electronic device is configured to establish and monitor a wireless cross-link between two antennas in different housings, or between antennas in one housing and antennas of a host electronic device. The wearable electronic device can monitor the integrity of the wireless cross-link, and establish an updated cross-link in response to the wireless cross-link not meeting a predetermined integrity threshold. The wearable electronic device can monitor a wireless cross-head link between housings of a wearable electronic device at the same time as a wireless cross-body link between the wearable electronic device and the host electronic device.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: March 19, 2024
    Assignee: Google LLC
    Inventors: Vijay Asrani, Jiang Zhu, Nan Xu
  • Publication number: 20240083218
    Abstract: A cabin heating circuit includes a first pump, a heat source, and a heater core. A battery heating circuit includes a first flow path that branches off from the cabin heating circuit at a three-way flow control valve. The battery heating circuit further includes a second flow path that is independent of the first flow path. The first flow path and the second flow path are thermally coupled by a heat exchanger. The second flow path includes the heat exchanger, a second pump, and a battery heat exchanger. The control unit adjusts an output of the heat source, an opening degree of the three-way flow control valve, an output of the first pump, and an output of the second pump. If a cabin and a battery are heated simultaneously, the control unit regulates the output of the first pump and/or the output of the second pump.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Zhaoliang XU, Nan Li, Xiaohua Xu, Kai Wu, Kota Sakamoto
  • Patent number: 11928145
    Abstract: Methods for creating a knowledge graph for a video are disclosed. Aspects include obtaining the video, processing the video to extract audio information and video information, and storing the extracted audio information and video information with a timestamp corresponding its occurrence in the video. Aspects also include creating a plurality of groups of the extracted audio information and video information based at least in part on the timestamps and extracting two or more keywords from each of the plurality of groups. Aspects further include identifying a relationship between the two or more keywords based on the extracted audio information and video information and creating a graph having a plurality of nodes and a plurality of links that connect a pair of nodes of the plurality of nodes. Each node corresponds to an extracted keyword and each link corresponds to the identified relationship between the pair of nodes.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: March 12, 2024
    Assignee: International Business Machines Corporation
    Inventors: Yanfeng Shi, Hui Gao, Yue Chen, Yuan Yuan Ding, Hai Jun Xu, Huai Nan Zhou
  • Patent number: 11929047
    Abstract: Systems, methods, and non-transitory media are provided for dynamically switching frame rates without changing a display refresh rate. An example method can include receiving, from a display device associated with a computing device, a set of control signals indicating a display refresh rate implemented by the display device; adjusting a frame rate associated with application data from one or more applications executed on the computing device; synchronizing, based on the set of control signals, the adjusted frame rate with two or more display refresh cycles, each display refresh cycle being based on the display refresh rate; providing, to the display device, a first frame at the adjusted frame rate, the first frame being generated based on the application data; and displaying the first frame at the display device implementing the display refresh rate.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: March 12, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Nan Zhang, Xinchao Yang, Yongjun Xu
  • Publication number: 20240077544
    Abstract: Disclosed are an arc discharge detection method and device for a battery system, and a battery energy storage system. The arc discharge detection method for a battery system comprises: sampling a terminal voltage and a charging and discharging current of a battery system, sampling the terminal voltage of the battery system twice and calculating a first voltage difference value, and sampling the terminal voltage of the battery system and a terminal voltage of an electricity load and calculating a second voltage difference value; performing time domain and frequency domain analysis on the sampled data to obtain corresponding time domain and frequency domain feature values; and on the basis of the time domain and frequency domain feature values and the first and second voltage difference values, determining whether arc discharge features are met, so as to determine whether an arc discharge fault occurs in the battery system.
    Type: Application
    Filed: January 13, 2022
    Publication date: March 7, 2024
    Inventors: Bin LIU, Zengkun NING, Min HUANG, Gang FANG, Jinjun LU, Nan XU, Tao LIU
  • Publication number: 20240078360
    Abstract: A method for modeling an identification model of a tire capacity, including: obtaining tire test data, wherein the tire test data comprises a tire angular velocity, a wheel effective radius, a tire slip angle, a wheel center velocity, a tire longitudinal force, a tire lateral force and a tire vertical force; obtaining a total slip ratio and a normalized tire force according to the tire test data; obtaining a tire capacity corresponding to the total slip ratio and the normalized tire force according to the tire test data; and performing training using the total slip ratio, the normalized tire force, and the tire capacity through a machine learning algorithm to complete the modeling of the identification model of the tire capacity.
    Type: Application
    Filed: June 4, 2021
    Publication date: March 7, 2024
    Inventors: Nan Xu, Amir Khajepour, Ehsan Hashemi
  • Publication number: 20240077906
    Abstract: The present disclosure relates to a processor and a computing system. A processor is provided, including: a pipeline stage, including sequential device(s); and a first clock driving circuit, configured to provide a clock signal to the pipeline stage, wherein the first clock driving circuit includes: a plurality of first clock paths, configured to provide corresponding clock signals respectively; a first selector, configured to select a clock signal from the clock signals provided by the plurality of first clock paths for the pipeline stage.
    Type: Application
    Filed: January 7, 2022
    Publication date: March 7, 2024
    Applicant: SHENZHEN MICROBT ELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Nan LI, Chao XU, Zhijun FAN, Zuoxing YANG, Haifeng GUO
  • Publication number: 20230200253
    Abstract: An object is to provide a multifunctional multi-piezo material having both high piezoelectric properties and high mechanoluminescence properties. It is a multi functional multi-piezo material represented by the chemical formula Li(1?X)(1+a)NaXNbO3:MY (where M is at least one type of metal ion selected from transition metal ions), wherein the value of X is in the range from 0.10 or more to 0.98 or less, the value of Y is in the range from 0.0001 or more to 0.2 or less; and ? is in the range from 0 or more. Such a multifunctional multi-piezo material has both high piezoelectric properties and high mechanoluminescence properties.
    Type: Application
    Filed: March 6, 2021
    Publication date: June 22, 2023
    Inventors: Chao-Nan XU, Ruiping Wang
  • Publication number: 20230110268
    Abstract: A high permeability metal (mu-metal) shield is placed in close proximity of a main logic board (MLB) of a wearable device, such as an earbud, to reduce eNoise. Radio frequency current flow induced by an antenna radiator will flow over the MLB and its associated ground plane, including the mu-metal shield. To reduce an impact of the mu-metal shield on antenna performance, a coating process is done on the mu-metal shield, by developing a thin layer of high conductivity, low permeability copper or silver on top of the mu-metal.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 13, 2023
    Inventors: Yao Ding, Nan Xu
  • Publication number: 20230096150
    Abstract: A method and an apparatus for determining an echo, and a storage medium. The implementation solution includes: obtaining an echo estimation result by performing echo estimation on an original audio signal; obtaining an optimization processing result by performing optimization processing on the echo estimation result, the optimization processing includes at least one of amplitude dimension optimization processing, phase dimension optimization processing, or time domain dimension optimization processing; and determining an echo of the original audio signal using the optimization processing result.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Inventors: Nan XU, Saisai ZOU, Li CHEN
  • Publication number: 20230083160
    Abstract: Systems, methods, and apparatuses, including electronic devices and computer-readable storage media, for adaptively switching wireless connections between antennas of a wearable electronic device and a host electronic device. One device includes a wearable electronic device with a first and second housing, each housing including two or more antennas. The wearable electronic device is configured to establish and monitor a wireless cross-link between two antennas in different housings, or between antennas in one housing and antennas of a host electronic device. The wearable electronic device can monitor the integrity of the wireless cross-link, and establish an updated cross-link in response to the wireless cross-link not meeting a predetermined integrity threshold. The wearable electronic device can monitor a wireless cross-head link between housings of a wearable electronic device at the same time as a wireless cross-body link between the wearable electronic device and the host electronic device.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 16, 2023
    Applicant: Google LLC
    Inventors: Vijay Asrani, Jiang Zhu, Nan Xu
  • Patent number: 11580942
    Abstract: The present disclosure relates to a system and method for matching performance with score. The method may include acquiring performance information in a preset time period, wherein the performance information is related to a musical device. The method may also include analyzing the performance information and obtaining a played music score in the preset time period, wherein the played music score contains the performance information. The method may further include comparing the played music score with one or more standard music scores. The method may still further include identifying a standard music score from the one or more standard music score based on the comparison of the played music score with the one or more standard music scores, wherein a matching degree between the played music score and the identified standard music score reaches a preset value.
    Type: Grant
    Filed: July 5, 2020
    Date of Patent: February 14, 2023
    Assignee: SUNLAND INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Nan Xu, Bin Yan, Xiaolu Liu
  • Patent number: 11533071
    Abstract: Systems, methods, and apparatuses, including electronic devices and computer-readable storage media, for adaptively switching wireless connections between antennas of a wearable electronic device and a host electronic device. One device includes a wearable electronic device with a first and second housing, each housing including two or more antennas. The wearable electronic device is configured to establish and monitor a wireless cross-link between two antennas in different housings, or between antennas in one housing and antennas of a host electronic device. The wearable electronic device can monitor the integrity of the wireless cross-link, and establish an updated cross-link in response to the wireless cross-link not meeting a predetermined integrity threshold. The wearable electronic device can monitor a wireless cross-head link between housings of a wearable electronic device at the same time as a wireless cross-body link between the wearable electronic device and the host electronic device.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: December 20, 2022
    Assignee: Google LLC
    Inventors: Vijay Asrani, Jiang Zhu, Nan Xu
  • Publication number: 20220181769
    Abstract: The present disclosure provides a metal structure, or antenna radiator, for an accessory that is configured to function as both an antenna and an input control. The device may be a wearable device with a first surface shaped to be in contact with the human body and a second surface shaped to be exposed when the device is being worn. The antenna radiator may be located internally within the housing of the device and coupled to a printed circuit board (“PCB”). The PCB may be located between the antenna radiator and the surface of the housing such that the PCB may shield the antenna radiator from antenna loss due to the human body. An electric field may extend between the PCB and the antenna radiator. The fringe electric field may improve cross-head and cross-body connectivity between the accessory and another device.
    Type: Application
    Filed: July 15, 2020
    Publication date: June 9, 2022
    Inventors: Nan Xu, Vijay Asrani, Jiang Zhu
  • Publication number: 20220166450
    Abstract: Systems, methods, and apparatuses, including electronic devices and computer-readable storage media, for adaptively switching wireless connections between antennas of a wearable electronic device and a host electronic device. One device includes a wearable electronic device with a first and second housing, each housing including two or more antennas. The wearable electronic device is configured to establish and monitor a wireless cross-link between two antennas in different housings, or between antennas in one housing and antennas of a host electronic device. The wearable electronic device can monitor the integrity of the wireless cross-link, and establish an updated cross-link in response to the wireless cross-link not meeting a predetermined integrity threshold. The wearable electronic device can monitor a wireless cross-head link between housings of a wearable electronic device at the same time as a wireless cross-body link between the wearable electronic device and the host electronic device.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 26, 2022
    Inventors: Vijay Asrani, Jiang Zhu, Nan Xu