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: 20200343757
    Abstract: A charging apparatus and a charging method are provided. The charging apparatus includes a boost circuit and a communication control circuit. The boost circuit is configured to boost an output voltage of a power supply device for charging a battery of a device to-be-charged. The communication control circuit is configured to instruct the power supply device to adjust the output voltage of the power supply device and/or an output current of the power supply device such that an output voltage of the boost circuit and/or an output current of the boost circuit matches charging requirements of the battery.
    Type: Application
    Filed: July 14, 2020
    Publication date: October 29, 2020
    Inventor: Chen TIAN
  • Patent number: 10819134
    Abstract: An adapter for charging control include a power converting unit, a sample and hold unit, a current acquisition and control unit. The power converting unit is configured to convert an input AC to obtain an output voltage and an output current of the adapter, and the output current of the adapter is a current of a first pulsating waveform. The sample and hold unit is connected to the power converting unit, and is configured to sample the current of the first pulsating waveform when the sample and hold unit is in a sampling state and hold a peak value of the current of the first pulsating waveform when the sample and hold unit is in a holding state. The current acquisition and control unit is configured to determine whether the sample and hold unit is in the holding state.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 27, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNCATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10819246
    Abstract: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: October 27, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10790696
    Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: September 29, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shebiao Chen, Jun Zhang, Chen Tian, Shiming Wan, Jiada Li
  • Publication number: 20200303927
    Abstract: Provided are a charging circuit for an electronic device, a charging method, an electronic device, and a storage medium. The charging circuit includes a control module, a charge pump, and a battery assembly. The control module is configured to generate a first control signal upon determining that a power adaptor connected is an adaptor for direct charging with high voltage. The charge pump is configured to, upon receiving the first control signal, directly apply a charging voltage to the battery assembly for direct charging, where the charging voltage is applied to the electronic device by the power adaptor.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 24, 2020
    Inventor: Chen Tian
  • Publication number: 20200287837
    Abstract: This application describes a network device, a controller, a queue management method, and a traffic management chip. The method may be applied to a traffic management chip that uses an HQoS technology, and can include receiving a queue management instruction sent by a controller, where the queue management instruction includes an identifier of a first scheduler and an identifier of a first queue, and the first scheduler is one of multiple first-level schedulers. The method may also include controlling, according to the queue management instruction, scheduling of the first queue by the first scheduler, where a queue scheduled by the first scheduler belongs to a queue resource pool of the TM chip, and the queue resource pool includes at least one to-be-allocated queue. In this application, decoupling between queue allocation and the first-level schedulers is implemented, flexibility of queue allocation is improved, and utilization of queue resources is improved.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: Fanyu MENG, Qian CAO, Chen TIAN
  • Patent number: 10749371
    Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: August 18, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shebiao Chen, Jun Zhang, Chen Tian, Shiming Wan, Jiada Li
  • Patent number: 10749954
    Abstract: A device comprises a non-transitory memory storage comprising instructions, a network interface, and one or more processors in communication with the memory storage and the network interface. The one or more processors execute the instructions to receive, via the network interface, a write request from a client device; send, via the network interface, the received write request to a set of follower devices; receive, via the network interface, a first acknowledgment from a majority of the follower devices of the set of follower devices that the write request was processed; send, via the network interface, the received write request to a set of peer devices; receive, via the network interface, second acknowledgments from a majority of the set of peer devices that the write request was processed; and send an acknowledgment of the write request to the client device in response to the receipt of the first acknowledgments and the second acknowledgments.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: August 18, 2020
    Assignee: Futurewei Technologies, Inc.
    Inventors: Shen Chi Chen, Liya Chen, Chen Tian, Zongfang Lin, Robert Lasater
  • Patent number: 10727687
    Abstract: The present disclosure discloses a charging method, a power adapter and a charging device. The power adapter includes: a first rectification unit, configured to rectify a first alternating current and output a voltage with a first pulsating waveform; a switch unit, configured to modulate the voltage according to a control signal; a transformer, configured to output a plurality of voltages with pulsating waveforms according to the modulated voltage; a synthesizing unit, configured to synthesis the plurality of voltages to output a second alternating current; a sampling unit, configured to sample voltage and/or current of the second alternating current to obtain a voltage sampling value and/or a current sampling value; and a control unit, configured to output the control signal to the switch unit, and to adjust a duty ratio of the control signal according to the current sampling value and/or the voltage sampling value.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: July 28, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Jun Zhang, Chen Tian, Shebiao Chen, Jiada Li, Shiming Wan
  • Patent number: 10720778
    Abstract: A power adapter, a cable, and an electronic device capable of delivering data or electric current to another electronic device via at least two different types of cables include: an internal power source and a first resistor, and the internal power source is electrically connected to an electronic interface of the electronic device via the first resistor. A method for identifying a type of a cable and is executable by the electronic device includes: determining a measured voltage when the electronic interface of the electronic device is connected to an electronic interface of a target cable; and identifying the type of the target cable based on the measured voltage.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: July 21, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Chen Tian, Jun Zhang
  • Patent number: 10720790
    Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: July 21, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shebiao Chen, Jun Zhang, Chen Tian, Shiming Wan, Jiada Li
  • Patent number: 10720779
    Abstract: The present disclosure provides a charging system, a terminal, a power adapter and a charging line. The terminal includes a first controller and M charging input interfaces. The power adapter includes a second controller and N charging output interfaces. When at least one of the N charging output interface is coupled to the charging input interfaces of the terminal, the second controller and the first controller communicate with each other to determine the number of charging output interfaces of the power adapter coupled to the terminal, and a charging current outputted from the power adapter to the terminal is adjusted according to the number of charging output interfaces of the power adapter coupled to the terminal.
    Type: Grant
    Filed: June 9, 2019
    Date of Patent: July 21, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xinfeng Chen, Chen Tian, Jialiang Zhang
  • Patent number: 10715456
    Abstract: This application describes a network device, a controller, a queue management method, and a traffic management chip. The method may be applied to a traffic management chip that uses an HQoS technology, and can include receiving a queue management instruction sent by a controller, where the queue management instruction includes an identifier of a first scheduler and an identifier of a first queue, and the first scheduler is one of multiple first-level schedulers. The method may also include controlling, according to the queue management instruction, scheduling of the first queue by the first scheduler, where a queue scheduled by the first scheduler belongs to a queue resource pool of the TM chip, and the queue resource pool includes at least one to-be-allocated queue. In this application, decoupling between queue allocation and the first-level schedulers is implemented, flexibility of queue allocation is improved, and utilization of queue resources is improved.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 14, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Fanyu Meng, Qian Cao, Chen Tian
  • Patent number: 10714965
    Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 14, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shebiao Chen, Jun Zhang, Chen Tian, Shiming Wan, Jiada Li
  • Patent number: 10714963
    Abstract: Provided are a charging system, charging method, and device, said charging system comprising a battery; a first rectifier, configured to output a first voltage with a first pulsating waveform; a switch unit, configured to modulate the first voltage; a transformer, configured to output a second voltage with a second pulsating waveform; a second rectifier, configured to output a third voltage with a third pulsating waveform, and the third voltage is configured to be applied to the battery charge the battery; a first current sampling circuit, configured to sample current to obtain a current sampling value; and a control unit configured to output the control signal to the switch unit, adjust the amplification factor of the operational amplifier, and adjust a duty ratio of the control signal according to the current sampling value, such that the third voltage meets a charging requirement of the battery.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: July 14, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10680460
    Abstract: The present disclosure discloses a charging system and a charging method for a terminal, and a power adapter. The charging system includes a power adapter and a terminal. The power adapter includes a first rectification unit, a transformer, a second rectification unit, a sampling unit, and a modulating control unit. The modulating control unit modulates a voltage with a first pulsating waveform according to a voltage sampling value sampled by the sampling unit, such that a voltage with a third pulsating waveform outputted by the second rectification unit meets a charging requirement. The terminal includes a second charging interface and a battery. The second charging interface is coupled to the battery.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: June 9, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Jun Zhang, Chen Tian, Shebiao Chen, Jiada Li, Shiming Wan
  • Publication number: 20200150188
    Abstract: Provided are a method and device for testing an adaptor, and a storage medium. The method is applicable to the device. The method includes the following. A test signal is sent to the adaptor. Detect a first voltage, where the first voltage is outputted in a preset first duration by the adaptor according to the test signal. A working state of the adaptor is determined according to the first voltage.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventor: Chen Tian
  • Publication number: 20200144827
    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: December 6, 2019
    Publication date: May 7, 2020
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10642648
    Abstract: A method implemented by a cloud computing devices comprises removing, by the cloud computing device, data associated with a function from an execution data structure in response to determining that the function is waiting for an input event, adding, by the cloud computing device, a context associated with the function to a management data structure while the function is waiting for the input event, the context associated with the function comprising software components associated with the function and an intermediate variable associated with the function, executing, by the cloud computing device, the function with the input event in response to receiving the input event, and removing, by the cloud computing device, the context associated with the function from the management data structure in response to receiving the input event.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: May 5, 2020
    Assignee: Futurewei Technologies, Inc.
    Inventors: Wei Ling, Chen Tian, Ziang Zu
  • Patent number: 10644530
    Abstract: Provided are a charging system, charging method, and device, said charging system comprising a battery; a first rectifier, configured to output a first voltage with a first pulsating waveform; a switch unit, configured to modulate the first voltage; a transformer, configured to output a second voltage with a second pulsating waveform; a second rectifier, configured to output a third voltage with a third pulsating waveform, and the third voltage is configured to be applied to the battery charge the battery; a first current sampling circuit, configured to sample current to obtain a current sampling value; and a control unit configured to output the control signal to the switch unit, adjust the amplification factor of the operational amplifier, and adjust a duty ratio of the control signal according to the current sampling value, such that the third voltage meets a charging requirement of the battery.
    Type: Grant
    Filed: January 7, 2017
    Date of Patent: May 5, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang