Patents by Inventor Chen Tian

Chen Tian 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: 20240146868
    Abstract: Embodiments of this disclosure relate to the multimedia processing field, and provide a video frame interpolation method, apparatus, and a device. In the video frame interpolation method in this disclosure, a first image at first time, a second image at second time, and sensor data captured by a dynamic vision sensor apparatus are obtained, and the sensor data includes dynamic event data between the first time and the second time. At least one target image is determined based on the first image, the second image, and the sensor data, where the at least one target image is an image corresponding to at least one target time between the first time and the second time. The dynamic event data is used to help compensate for motion information missing from existing image data. This implements accurate prediction of an intermediate image, and improves image prediction effect.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 2, 2024
    Inventors: Ziyang ZHANG, Weihua HE, Chen YANG, Jianxing LIAO, Kun TIAN, Ying WANG, Yunlong ZHAN
  • Publication number: 20240072574
    Abstract: The present application provides a wireless charging method, a wireless charging apparatus, and a storage medium. The method includes: detecting, in response to performing wireless charging, a charging parameter of a converter, wherein the charging parameter includes at least one parameter of an input current, an input voltage, an output current and an output voltage; determining a target operation mode according to the charging parameter, wherein the target operation mode is configured to determine a power-drawing mode of the converter; and controlling the converter to switch to the target operation mode, and charging a to-be-charged device.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Hongguang GUO, Chen TIAN, Jialiang ZHANG
  • Publication number: 20240030819
    Abstract: Provided are a switch control circuit and method, and an electronic device. The switch control circuit includes a voltage conversion module and a control module. The voltage conversion module operates, based on a received input voltage, in at least one of a boost mode, a buck mode and a buck-boost mode. The control module controls switching frequencies of first, second, third and fourth switches of the voltage conversion module. In the boost mode, the first and third switches are switched, at a first switching frequency, between an on-state and an off-state, and the second and fourth switches are switched, at a second switching frequency larger than the first switching frequency, between the on-state and the off-state. In the buck mode, each of the first and third switches is switched at the second switching frequency, and each of the second and fourth switches is switched at the first switching frequency.
    Type: Application
    Filed: October 3, 2023
    Publication date: January 25, 2024
    Inventors: Hongguang Guo, Chensong Zhang, Chen Tian, Jialiang Zhang
  • Publication number: 20240022105
    Abstract: In embodiments of the present disclosure, after a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode.
    Type: Application
    Filed: August 1, 2023
    Publication date: January 18, 2024
    Inventors: Chen TIAN, Jialiang ZHANG
  • Patent number: 11870708
    Abstract: A congestion control method and an apparatus are disclosed. The method includes: after a sending device generates an unscheduled data packet of a first flow, if it is determined, based on an unscheduled packet send window shared by all flows, that the unscheduled data packet meets a sending condition, determining whether to request to add a quota for at least one of the unscheduled packet send window and a scheduled packet send window corresponding to the first flow; and if it is determined that the quota is requested to be added for the at least one of the unscheduled packet send window and the scheduled packet send window corresponding to the first flow, setting indication information in the unscheduled data packet, and sending, to a receiving device, the unscheduled data packet in which the indication information is set.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: January 9, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chen Tian, Lei Han, Kexin Liu, Wenhao Sun, Ke Meng, Yonghui Xu, Long Yan
  • Patent number: 11837892
    Abstract: A charging control apparatus, a device to be charged, and a charging control method are provided. The charging control apparatus includes: a first charging channel configured to charge a plurality of cells coupled in series according to a charging signal provided by a first-type power supply device; a second charging channel configured to charge a part of the cells in the plurality of cells according to a charging signal provided by a second-type power supply device; and an equalizing circuit configured to equalize a voltage of the plurality of cells during an operating process of the second charging channel.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: December 5, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Shebiao Chen, Chen Tian
  • Patent number: 11791651
    Abstract: After a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 17, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang
  • Publication number: 20230283185
    Abstract: A power supply device, a circuit control method and a power supply system, belonging to the field of power supply conversion technologies. The power supply device can ensure that a second-stage conversion circuit has a sufficiently high valley voltage by means of a valley-fill circuit without using an electrolytic capacitor or other large-volume capacitors, thereby ensuring that the output voltage of the power supply device is overall stable. On the other hand, the power supply device can, by controlling the voltage of an energy storage unit, utilize the ability of the energy storage unit to store electric energy as far as possible whilst ensuring that the voltage does not exceed a specific voltage, so as to lower the requirements on the voltage resistance of the energy storage unit, thereby realizing the miniaturized design of the power supply device and improving the portability of the power supply device.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 7, 2023
    Inventors: Chen TIAN, Jialiang ZHANG, Jingpeng ZHU, Weiwei LU, Juanjuan SUN, Julu SUN
  • Publication number: 20230268843
    Abstract: A power supply, a power supplying method, and a computer-readable storage medium are provided. The power supply includes a rectifier circuit and a valley-fill circuit. The rectifier circuit is used for voltage transformation of an input AC voltage to obtain a first pulsating DC voltage. The valley-fill circuit includes at least one energy storage capacitor and is used for storing energy through the at least one energy storage capacitor when the first pulsating DC voltage output by the rectifier circuit is in a first preset range and providing energy through the at least one energy storage capacitor when the first pulsating DC voltage output by the rectifier circuit is lower than a preset threshold, thereby to increase the valley voltage of the first pulsating DC voltage.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Inventors: Chen TIAN, Jialiang ZHANG, Jingpeng ZHU, Weiwei LU, Juanjuan SUN, Julu SUN
  • Publication number: 20230261498
    Abstract: Provided are a power supply apparatus, and a charging method and system. The apparatus includes: a rectifier module (210) configured to rectify an alternating current (alternating current) voltage to obtain a first pulsating direct current (direct current) voltage; a conversion module (300) configured to convert the first pulsating direct current voltage to obtain a stable direct current voltage; and a valley-fill circuit (220) having an input terminal connected to an output terminal of the rectifier module (210) and an output terminal connected to an input terminal of the conversion module (300). The valley-fill circuit (220) is configured to release electric energy to the conversion module (300) when a voltage value of the first pulsating direct current voltage is smaller than a first voltage threshold, to increase a valley voltage of the first pulsating direct current voltage inputted to the conversion module (300).
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Inventors: Chen Tian, Jialiang Zhang, Jingpeng Zhu, Weiwei Lu, Juanjuan Sun, Julu Sun
  • Patent number: 11716384
    Abstract: A method of distributed resource management in a distributed computing system includes determining usage of respective hardware resources by an application and generating usage metrics for the application, and assigning the application to a cluster of hardware resources to optimize diversity of usage of hardware resources in the cluster and to enhance utilization of the hardware resources by applications running in that cluster. The diversity of usage of the hardware resources is determined from respective usage metrics of the respective applications running in that cluster. The diversity of usage of the hardware resources in the cluster is optimized by assigning the application to a diversity pool of hardware resources adapted to minimize interference when applications assigned to the diversity pool of hardware resources access the hardware resources in the diversity pool and assigning applications from different diversity pools to the cluster of hardware resources.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: August 1, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Sharanyan Srikanthan, Zongfang Lin, Chen Tian, Ziang Hu
  • Publication number: 20230238891
    Abstract: The present disclosure provides a power supply apparatus, a charging method, and an electronic device system. The power supply apparatus comprises a first-stage conversion circuit, a second-stage conversion circuit, and a valley-fill circuit. The first-stage conversion circuit is used for converting a rectified DC voltage to obtain a first DC voltage; the second-stage conversion circuit is used for converting the first DC voltage and outputting a second DC voltage, the second DC voltage being lower than the voltage value of the first DC voltage; the valley-fill circuit is used, if the second DC voltage is lower than a set value, for supplying power to the output end of the power supply apparatus so that the output voltage of the power supply apparatus is a constant DC voltage. The present disclosed technical solution is capable of reducing the size of a power supply apparatus.
    Type: Application
    Filed: March 29, 2023
    Publication date: July 27, 2023
    Inventors: Chen TIAN, Jingpeng ZHU, Jialiang ZHANG, Ming XU
  • Publication number: 20230216809
    Abstract: A congestion control method and an apparatus are disclosed. The method includes: after a sending device generates an unscheduled data packet of a first flow, if it is determined, based on an unscheduled packet send window shared by all flows, that the unscheduled data packet meets a sending condition, determining whether to request to add a quota for at least one of the unscheduled packet send window and a scheduled packet send window corresponding to the first flow; and if it is determined that the quota is requested to be added for the at least one of the unscheduled packet send window and the scheduled packet send window corresponding to the first flow, setting indication information in the unscheduled data packet, and sending, to a receiving device, the unscheduled data packet in which the indication information is set.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 6, 2023
    Inventors: Chen TIAN, Lei HAN, Kexin LIU, Wenhao SUN, Ke MENG, Yonghui XU, Long YAN
  • Patent number: 11689029
    Abstract: A terminal and a device are provided. The terminal includes a charging interface and a first charging circuit. The first charging circuit is coupled with the charging interface, and is configured to receive an output voltage from the adapter via the charging interface and apply the output voltage to both ends of multiple cells connected in series in the terminal to charge the multiple cells.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: June 27, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shiming Wan, Jiada Li, Jun Zhang, Chen Tian, Shebiao Chen
  • Publication number: 20230198371
    Abstract: A power supply device, includes a rectifier circuit configured to perform rectification on alternating-current power to obtain a first pulsating direct-current voltage, a first-stage conversion circuit connected to the rectifier circuit and configured to perform isolation conversion on the first pulsating direct-current voltage to thereby obtain a second pulsating direct-current voltage; a second-stage conversion circuit connected to the first-stage conversion circuit and configured to convert the second pulsating direct-current voltage into a stable direct-current voltage; and a valley-fill circuit connected to the rectifier circuit and the first-stage conversion circuit individually, wherein the valley-fill circuit is configured to supply, in response to a voltage value of the first pulsating direct-current being less than a first voltage threshold, electrical power to an input of the first-stage conversion circuit to thereby increase a valley voltage of the first pulsating direct-current voltage.
    Type: Application
    Filed: December 29, 2022
    Publication date: June 22, 2023
    Inventors: Chen TIAN, Jingpeng ZHU, Jialiang ZHANG, Ming XU
  • Publication number: 20230170783
    Abstract: A power supply device includes: an input rectifier circuit configured to convert a received alternating-current power into a first pulsating direct-current voltage; a first-stage conversion circuit connected with the input rectifier circuit and configured to convert the first pulsating direct-current voltage into a second pulsating direct-current voltage; a valley-fill circuit connected with the first-stage conversion circuit and configured to supply, in response to a voltage value of the second pulsating direct-current voltage being lower than a voltage threshold, electrical power to thereby enable the voltage value of the second pulsating direct-current voltage to be greater than or equal to the voltage threshold; and a second-stage conversion circuit connected with the first-stage conversion circuit and configured to convert the second pulsating direct-current voltage into a constant direct-current voltage and output the constant direct-current voltage.
    Type: Application
    Filed: December 29, 2022
    Publication date: June 1, 2023
    Inventors: Chen TIAN, Jingpeng ZHU, Jialiang ZHANG, Ming XU
  • Publication number: 20230117820
    Abstract: The present invention provides a method for analysis and determination of the heavy metal occurrence key mineral phases in industrial solid waste, by performing N concentration gradients dissociation determination of the heavy metal solid waste to be tested under the same dissociation conditions, to give the dissociation degrees of the heavy metal elements to be tested at N different concentration gradients; the dissociated solid residues after dissociation being quantitatively analyzed for the mineral phase, to give the relative content of each mineral phase in the M mineral phases of the heavy metal solid waste to be tested; then calculating to give the occurrence distribution proportion of the heavy metal elements in the mineral phase, which are accumulated from high to low; the occurrence key mineral phase whose cumulative occurrence proportion exceeds the preset cumulative threshold value is determined to be the key mineral phase of the heavy metal elements.
    Type: Application
    Filed: November 18, 2022
    Publication date: April 20, 2023
    Applicant: Central South University
    Inventors: Zhang LIN, Le LIN, Yanjie LIANG, Xueming LIU, Yong KE, Xu YAN, Chen TIAN, Zhangbin LIU
  • Patent number: 11631985
    Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series, a conversion circuit, a first charging channel, a second charging channel, and a communication control circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 18, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jun Zhang, Shebiao Chen, Chen Tian, Jialiang Zhang, Jiada Li, Shiming Wan
  • Patent number: 11626747
    Abstract: Provided are a battery quick charging method, a charging apparatus, and a device to-be-charged. The battery quick charging method includes the following. State parameters of a battery of a device to-be-charged are acquired, where the state parameters of the battery include a present temperature of the battery. A charging cut-off voltage corresponding to the present temperature is selected from a target parameter mapping relationship, where the charging cut-off voltage is higher than a rated voltage of the battery. Constant-current charging is performed on the battery until a voltage of the battery reaches the charging cut-off voltage and then performing of the constant-current charging on the battery is stopped.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: April 11, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Chen Tian
  • Patent number: 11614484
    Abstract: Provided are methods and systems for testing time parameters of an adaptor and systems. The method includes the following. After a testing system is coupled with an adaptor, a clock signal is received from the adaptor, where the clock signal is indicative of the transmission time of the instruction. A first valid interrupt of the clock signal, a square wave corresponding to the first valid interrupt, and a next valid interrupt of the first valid interrupt are acquired. A first falling edge and a first rising edge of the first valid interrupt, a second falling edge of the square wave, and a third falling edge of the next valid interrupt are acquired. A test result time parameters of the adaptor is generated according to the first falling edge, the first rising edge, the second falling edge, and the third falling edge.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: March 28, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Chen Tian