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: 20240235461
    Abstract: A tracking method and apparatus, an electronic device, and a storage medium. The tracking method comprises: in a solar tracking phase, determining a current weather type according to current weather data and/or current power generation of components on at least two photovoltaic tracking brackets (S110); and determining first target tracking angles of the components according to the current weather type, so that a tracking controller corresponding to the components adjusts the corresponding photovoltaic tracking brackets according to the first target tracking angles, so as to adjust the components on the photovoltaic tracking brackets (S120).
    Type: Application
    Filed: September 1, 2021
    Publication date: July 11, 2024
    Applicant: TRINA SOLAR CO., LTD
    Inventors: Kai SUN, Guokun HUANG, Peng QUAN, Ming ZHAO
  • Publication number: 20240223123
    Abstract: Disclosed in the present application are an array backtracking angle adjusting method and apparatus, and a storage medium. The method comprises: acquiring an initial backtracking angle group of a horizontal single-axis tracker, the initial backtracking angle group comprising initial backtracking angles of a plurality of arrays of the horizontal single-axis tracker; according to a preset deviation angle, adjusting the initial backtracking angle group to determine a plurality of candidate backtracking angle groups, the plurality of candidate backtracking angle groups comprising adjusted backtracking angles of the plurality of arrays; and, on the basis of the degree of dispersion of the adjusted backtracking angles of the plurality of arrays in each candidate backtracking angle group, determining a target backtracking angle group from the plurality of candidate backtracking angle groups, the target backtracking angle group comprising target backtracking angles of the plurality of arrays.
    Type: Application
    Filed: October 25, 2022
    Publication date: July 4, 2024
    Applicant: TRINA SOLAR CO., LTD
    Inventors: Kai SUN, Ming ZHAO, Jifan GAO, Peng QUAN, Guokun HUANG
  • Publication number: 20240223768
    Abstract: The present disclosure provides techniques for implementing a hierarchical and partitional integer motion estimation search (IMES) architecture using a search engine that is configurable based on a content of a plurality of frames in a video sequence. For example, the techniques include identifying, based on the plurality of frames, one or more search parameters for the hierarchical and partitional motion estimation, where the one or more search parameters are based on a content indicative of motion features tracked across the video sequence. The hierarchical and partitional motion estimation, which includes at least one decimated motion estimation search followed by a full-pixel level search, is performed based on the one or more identified search parameters to determine an integer (or pixel-level) motion vector.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 4, 2024
    Inventors: Yuxin Chen, Ying Luo, Edward Harold, Shu-Hsien Wu, Xinghai Li, Razvan F. Dan-Dobre, Min Wang, Jianbin Xiao, Amal Khailtash, Yin Xia Yang, Kai Sun
  • Publication number: 20240211711
    Abstract: An encoding element and an anti-counterfeiting product. The encoding element includes a printing stock, wherein the printing stock has an encoding area thereon; the encoding area is provided with at least one group of markers, and at least one of the attributes of markers in the same group is the same; and the markers are randomly distributed, such that encoding information of the encoding element is random. By means of the disclosure, an encoding system of “one object, one code” is realized, and the uniqueness of encoding is realized by means of random encoding information, which cannot be preset.
    Type: Application
    Filed: December 30, 2021
    Publication date: June 27, 2024
    Inventors: Kai Sun, Dong Yang
  • Patent number: 12015199
    Abstract: An antenna structure includes a substrate, a radiator mounted at one end of a front surface of the substrate, and a grounding element mounted at the other end of the front surface of the substrate. The radiator has a first radiating portion. Two portions of a middle of one end edge of the first radiating portion extend horizontally to form a second radiating portion and a feeding portion. The feeding portion is located above the second radiating portion. A free end of the feeding portion is a feeding end. An upper portion of the other end edge of the first radiating portion extends opposite to the one end edge of the first radiating portion and extends along a rectangular spiral path to form a rectangular spiral third radiating portion.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: June 18, 2024
    Assignee: CHENG UEI PRECISION INDUSTRY CO., LTD.
    Inventors: Ming-Ju Lin, Chih-Chung Wang, Shao-Kai Sun, Lan-Yung Hsiao
  • Publication number: 20240192334
    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: Application
    Filed: December 20, 2023
    Publication date: June 13, 2024
    Inventors: Xuezhou Zhu, Kai Sun, Shaoqing Xiang, Jin Yang, Chenluan Wang, Xugang Liu, Wenyi Zhu, Tingyu Yao, Shixiang Wu, Hui Yin
  • Publication number: 20240175993
    Abstract: The present disclosure provides a control method for a LiDAR, comprising: S101: transmitting a laser pulse signal based on a pulse coding and a current energy allocation scheme to detect a target object, the laser pulse signal comprising a plurality of laser pulses adopting the pulse coding; S102: receiving echo information of the plurality of laser pulses reflected by the target object; and S103: updating, based on the echo information of the target object, the energy allocation scheme adopted by the LiDAR for the next transmission. A preferred embodiment of the present disclosure not only satisfies the anti-crosstalk demand within a short range, but also improves the detection precision and detection performance within a long range, and a maximally beneficial application of laser pulse energy is obtained while safety requirements for human eye are met.
    Type: Application
    Filed: December 6, 2023
    Publication date: May 30, 2024
    Inventors: Kai SUN, Shaoqing XIANG
  • Patent number: 11981157
    Abstract: Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product utilizing the same, the optical anti-counterfeiting element comprising: a substrate (12) including a first surface and a second surface opposite to each other; micro-sampling tools (11) on the first surface; and one or more micro graphic and text units formed on the second surface, wherein the micro graphic and text unit includes micro graphic and text strokes, the micro graphic and text strokes are arranged in a non-periodic and non-fixed-geometry manner, and when the second surface is observed through the micro-sampling tools, a stereoscopic animated anti-counterfeiting feature can be seen.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignees: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY CO., LTD, CHINA BANKNOTE PRINTING AND MINTING CORP.
    Inventors: Kai Sun, Baoli Zhang, Jun Zhu, Xiaoli Wang
  • Patent number: 11972789
    Abstract: The present disclosure provides a counter circuit and a memory. The counter circuit includes: a counting circuit configured to output a count value when the count value exceeds a predetermined threshold; a decoding circuit coupled to the counting circuit, and configured to decode the count value to obtain decoding information corresponding to the count value, where the decoding information represents a numerical interval in which the count value is located; and a comparison circuit coupled to the decoding circuit, and configured to compare the decoding information with historical maximum decoding information and latch and output current maximum decoding information.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: April 30, 2024
    Assignee: Changxin Memory Technologies, Inc.
    Inventors: Zequn Huang, Kai Sun
  • Publication number: 20240127881
    Abstract: Provided in the embodiments of the present disclosure are a delay control circuit and method, and a semiconductor memory. The delay control circuit includes a clock circuit and a delay circuit. The clock circuit is configured to receive a temperature adjustment signal, and generate a first clock signal according to the temperature adjustment signal; and a clock cycle of the first clock signal is a preset value. The delay circuit is configured to receive the first clock signal and an initial command signal, and perform delay processing on the initial command signal according to the first clock signal, so as to obtain a target command signal; and a time interval between the target command signal and the initial command signal meets a preset timing condition.
    Type: Application
    Filed: August 9, 2023
    Publication date: April 18, 2024
    Inventors: Zequn HUANG, Kai Sun
  • Publication number: 20240119987
    Abstract: A counting control circuit includes a logic control circuit and a counting statistic circuit, an output terminal of the logic control circuit is connected to a clock terminal of the counting statistic circuit. The logic control circuit is configured to receive a first clock signal and a first identification signal, and generate a counting clock signal according to the first clock signal under a control of the first identification signal. The counting statistic circuit is configured to receive the counting clock signal, count according to the counting clock signal, and generate the first identification signal which indicates a generation of a command signal for performing a first operation, here, the first identification signal is in a valid state when a counting value meets a preset condition.
    Type: Application
    Filed: August 18, 2023
    Publication date: April 11, 2024
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Zequn HUANG, Kai SUN
  • Publication number: 20240121482
    Abstract: The disclosure is directed to a display apparatus, including: a display configured to display a user interface for presenting an electronic program guide; and a first controller configured to: send a first request including live broadcast information to cause a server to determine replay data according to a first live broadcast program included in the live broadcast information; receive the replay data from the server, and control the electronic program guide to display a second live broadcast program with a visual replay identifier.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 11, 2024
    Inventors: Mengyuan LI, Kai SUN, Ying ZHOU, Qingna LIU, Wenxiao LIU, Dawei ZHANG, Rui HU, Xiujuan ZHU
  • Publication number: 20240119988
    Abstract: A delay control circuit includes a delay circuit. The delay circuit is configured to receive an initial command signal, and to perform a non-clock-triggered delay processing on the initial command signal to obtain a target command signal. The initial command signal is generated based on an ECS operation mode, a time interval between the target command signal and the initial command signal meets a preset timing condition, the initial command signal is used for performing a first operation and the target command signal is used for performing a second operation.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 11, 2024
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Zequn HUANG, Kai SUN
  • Publication number: 20240076501
    Abstract: The disclosure provides a flaky optical pigment, a preparation method thereof and an anti-counterfeiting element. Wherein at least part of area of the flaky optical pigment includes a subwavelength structure covered with at least one metal layer and at least one dielectric support layer, and the at least one metal layer and the at least one dielectric support layer are alternately stacked up and down, so that the flaky optical pigment produces different colors in a reflection direction and a transmission direction. The flaky optical pigment has a plurality of color features, such as reflection and transmission, is an optical anti-counterfeiting pigment with an attractive visual appearance, and has a low manufacturing cost.
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Inventor: Kai Sun
  • 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
  • Publication number: 20240062805
    Abstract: The present disclosure provides a counter circuit and a memory. The counter circuit includes: a counting circuit configured to output a count value when the count value exceeds a predetermined threshold; a decoding circuit coupled to the counting circuit, and configured to decode the count value to obtain decoding information corresponding to the count value, where the decoding information represents a numerical interval in which the count value is located; and a comparison circuit coupled to the decoding circuit, and configured to compare the decoding information with historical maximum decoding information and latch and output current maximum decoding information.
    Type: Application
    Filed: August 4, 2023
    Publication date: February 22, 2024
    Inventors: Zequn HUANG, kai Sun
  • Publication number: 20240061116
    Abstract: Methods, devices, and systems for light detection are provided. In one aspect, a light detection device includes a light emitter array, a light detector array, and a controller. The light emitter array includes a plurality of light emitters configured to output transmission signals. The light detector array includes a plurality of light detectors configured to detect echo signals of the transmission signals reflected off an obstacle. The light emitter array and the light detector array are configured to form a plurality of detection channels, and each detection channel includes at least one light emitter and at least one light detector. The controller is configured to, during a signal transmission process, select multiple light emitters to emit light in parallel. Fields of view (FOVs) of the multiple light emitters that emit light in parallel are separate from each other within a detection distance.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Inventors: Xuezhou ZHU, Jin YANG, Zhaoming ZENG, Jun TAO, Shaoqing XIANG, Kai SUN
  • 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: 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