Patents by Inventor Hongyang Wu

Hongyang Wu 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: 20190312659
    Abstract: A base station device includes: a processor that executes a process including generating first data, generating an indication signal including a plurality of bits that indicate whether second data that is transmitted at a lower latency than the first data is generated, and generating a transmission signal by mapping the generated indication signal and one of the first data and the second data to each of predetermined unit areas of a resource; and a transmitter configured to transmit the transmission signal generated by the processor.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 10, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Tsuyoshi Shimomura, Jianming Wu
  • Patent number: 10432105
    Abstract: The present disclosure provides a power frequency current converter, including: an input side and an output side, wherein a current of the input side or the output side is a power frequency current; a switching device; and a controller, configured to control the switching device to be turned on and turned off at an operating frequency, wherein within a half of a power frequency cycle, the controller generates at least two fixed-frequency control signals and the operating frequency of the switching device alters at least twice according to the at least two fixed-frequency control signals, so as to reduce junction temperature of the switching device.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 1, 2019
    Assignee: Delta Electronics, Inc.
    Inventors: Hongyang Wu, Weiqiang Zhang, Lizhi Xu, Wei Guan
  • Publication number: 20190279326
    Abstract: Embodiments of the present invention disclose an information identification code-based information authentication method, a terminal, and a computer storage medium.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Applicant: TEDNCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Chong CHEN, Xingxing DAI, Zhenquan WU, Mao TANG, Lingyun SONG, Hongyang HU
  • Publication number: 20190229551
    Abstract: The power distribution device includes a power regulating device and a first auxiliary power distribution component. The power regulating device has a first output end connected to an AC power grid and a second output end. The first auxiliary power distribution component has a first movable end electrically connected to a load, a first fixed end electrically connected to the AC power grid and a second fixed end electrically connected to the second output end, and a ground line of the second fixed end is grounded. When the AC power grid is normal, the first movable end is connected to the first fixed end, such that the AC power grid supplies power to the load. And when the AC power grid is abnormal, the first movable end is connected to the second fixed end, such that the power regulating device supplies power to the load through the second output end.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 25, 2019
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Feiqin HAO, Hongyang WU, Chao YAN
  • Publication number: 20190223115
    Abstract: A terminal device includes a processor circuitry and a receiver. The processor circuitry is configured to perform dual connectivity with a cell group and a different cell group, and to control transmission power sharing between the cell group and the different cell group. The receiver is configured to receive a signal on the cell group and the different cell group.
    Type: Application
    Filed: March 27, 2019
    Publication date: July 18, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Jianming WU, Tsuyoshi Shimomura
  • Publication number: 20190208534
    Abstract: A base station device includes: a processor circuitry configured to generate an indication signal; and a transmitter configured to transmit the indication signal to a terminal device. The indication signal indicates that there is no transmission of first data to be scheduled in a resource, and the resource may be assigned second data to be transmitted at low latency.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 4, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Jianming Wu, Tsuyoshi Shimomura
  • Publication number: 20190182830
    Abstract: A base station apparatus includes: first processor circuitry that generates a first signal indicating first candidates for a transmission timing, wherein the first candidates are selected from a second candidates; second processor circuitry that generates a second signal specifying one transmission timing from the first candidates for the transmission timing indicated by the first signal; and a transmitter that transmits the first signal and the second signal.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Jianming Wu, Tsuyoshi Shimomura
  • Publication number: 20190158230
    Abstract: A base station device includes: a transmitter configured to transmit a transport block that includes a plurality of code block groups; and a receiver configured to receive a confirmation signal which indicates that one or more code block groups of the plurality of code block groups has not been successfully received. The transmitter configured to transmit a control signal. The control signal comprises a first information indicates the one or more code block groups to be retransmitted and a second information bit indicates either the one or more code block groups being retransmitted are combinable with the received one or more code block groups or the received one or more code block groups corresponding to the one or more code block groups being retransmitted is corrupted.
    Type: Application
    Filed: January 14, 2019
    Publication date: May 23, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Jianming Wu, Tsuyoshi Shimomura
  • Publication number: 20190150131
    Abstract: A base station device communicates with a user equipment by using a frame including a downlink region in which a signal for a downlink is allocated and an uplink region in which a signal for an uplink is allocated. The base station device includes: a guard period determination unit, a frame configuration determination unit, a notification unit, and a communication circuit. The guard period determination unit determines a length of a guard period provided between the downlink region and the uplink region based on a transmission delay between the base station device and the user equipment. The frame configuration determination unit determines a configuration of the frame based on the length of the guard period. The notification unit notifies the user equipment of configuration information that indicates the configuration of the frame. The communication circuit communicates with the user equipment based on the configuration of the frame.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Tsuyoshi Shimomura, Jianming Wu, YOSHINORI TANAKA
  • Patent number: 10128832
    Abstract: The present application discloses a converter system, a driving circuit and a driving method for a semiconductor switch. The driving circuit includes a driving unit, a sampling unit and a selection unit. A plurality of turn-off driving units with different turn-off parameters is provided in the driving unit, and a turn-off driving unit having a turn-off parameter adaptive to the working state of the semiconductor switch is selected according to the working state of the semiconductor switch so as to turn off the semiconductor switch.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: November 13, 2018
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Lizhi Xu, Weiyi Feng, Weiqiang Zhang, Hongyang Wu
  • Patent number: 10109569
    Abstract: The present disclosure provides a via structure and a multilayer circuit board including the via structure. The via structure is provided in three or more conductor layers in the same electrical network, the conductor layers overlapping with each other vertically and including at least one current input layer and at least one current output layer; wherein the via structure includes a plurality of rows of vias, each row of vias puncture through at least one current input layer and at least one current output layer, and a part of the rows of vias puncture through all of the conductor layers, and the other part of the rows of vias puncture through a part of the conductor layers. By using the via structure in the present disclosure, the vias are subject to even temperature and thus the lifetime of the circuit board is extended.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: October 23, 2018
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yuechao Li, Weiyi Feng, Weiqiang Zhang, Hongyang Wu, Ziying Zhou
  • Patent number: 9837930
    Abstract: The present disclosure provides a power supply system and a power conversion device. The power conversion device is used for converting electric energy outputted by a power supply module, and the power conversion device includes an electric energy conversion module and a switching module. The electric energy conversion module is configured to convert the electric energy output from the power supply module into a single-phase two-wire output or a single-phase three-wire output, and includes a half-bridge circuit, a bridge conversion circuit and a neutral line. The switching module is coupled with the electric energy conversion module, and is configured to control the electric energy conversion module to provide the single-phase two-wire output or single-phase three-wire output.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: December 5, 2017
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Feiqin Hao, Hongyang Wu, Xiaoming Chen, Cheng Lu, Tao Ge
  • Patent number: 9800176
    Abstract: The present application discloses a TNPC inverter device, comprising: a TNPC inverter module and a short circuit detecting module. The TNPC module at least comprises an inverting bridge arm and a bi-directional switching bridge arm. The inverting bridge arm comprises at least two switches connected in series; the bi-directional switching bridge arm comprises at least two switches. The short circuit detecting module mainly consists of two switch detecting unit corresponding to the two switches in the inverting bridge arm respectively. Increasing the voltage drop of the switches in the inverting bridge when a short circuit occurs in the TNPC module by some way, then it could realize the short circuit detecting module is able to detect all the paths of the short circuit in the TNPC module to simplify the peripheral circuit of the TNPC module in the TNPC inverter device.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 24, 2017
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Xibing Ding, Weiyi Feng, Weiqiang Zhang, Hongyang Wu
  • Patent number: 9634575
    Abstract: The present application discloses a control method and a control device for parallel inverters. The method comprises: receiving a feedback signal Vmg reflecting load voltage and a voltage reference signal Vref to generate a command signal Pset reflecting active power and a command signal Qset reflecting reactive power; taking the command signal Pset reflecting active power as the first offset of an active power-output voltage frequency curve (P-F) of an inverter unit, and taking the command signal Qset reflecting reactive power as the second offset of an reactive power-output voltage amplitude curve (Q-V) of the inverter unit; transversely translating the curve (P-F) of the inverter unit according to the first offset, transversely translating the curve (Q-V) of the inverter unit according to the second offset, and adjusting the load voltage of the inverter system by means of adjusted output voltage frequency and output voltage amplitude of the inverter unit.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: April 25, 2017
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Cheng Lu, Jiamin Zhang, Jianhong Zhou, Hongyang Wu
  • Patent number: 9608608
    Abstract: A power module includes: a base plane; at least one switch chip assembled on the base plane; and a voltage clamping circuit for clamping a voltage spike occurring on the at least one switch chip, comprising components of a charging loop, wherein the components of the charging loop at least comprise a capacitor, wherein a projection of a center point of at least one of the components of the charging loop on the base plane is located within at least one first circle, defined with a center of the first circle being a center point of the at least one switch chip, and with a radius of the first circle being a product of a maximum one of a length and a width of the at least one switch chip and a first coefficient, which is a multiple of 0.5.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: March 28, 2017
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Weiyi Feng, Lizhi Xu, Weiqiang Zhang, Hongyang Wu
  • Publication number: 20170018490
    Abstract: The present disclosure provides a via structure and a multilayer circuit board including the via structure. The via structure is provided in three or more conductor layers in the same electrical network, the conductor layers overlapping with each other vertically and including at least one current input layer and at least one current output layer; wherein the via structure includes a plurality of rows of vias, each row of vias puncture through at least one current input layer and at least one current output layer, and a part of the rows of vias puncture through all of the conductor layers, and the other part of the rows of vias puncture through a part of the conductor layers. By using the via structure in the present disclosure, the vias are subject to even temperature and thus the lifetime of the circuit board is extended.
    Type: Application
    Filed: May 12, 2016
    Publication date: January 19, 2017
    Applicant: DELTA ELECTRONICS (SHANGHAI) CO., LTD
    Inventors: Yuechao LI, Weiyi FENG, Weiqiang ZHANG, Hongyang WU, Ziying ZHOU
  • Publication number: 20160322916
    Abstract: The present disclosure provides a power supply system and a power conversion device. The power conversion device is used for converting electric energy outputted by a power supply module, and the power conversion device includes an electric energy conversion module and a switching module. The electric energy conversion module is configured to convert the electric energy output from the power supply module into a single-phase two-wire output or a single-phase three-wire output, and includes a half-bridge circuit, a bridge conversion circuit and a neutral line. The switching module is coupled with the electric energy conversion module, and is configured to control the electric energy conversion module to provide the single-phase two-wire output or single-phase three-wire output. The present disclosure can apply to a scenario where the requirements of a grid-connected operation and a standalone operation are different.
    Type: Application
    Filed: April 18, 2016
    Publication date: November 3, 2016
    Applicant: DELTA ELECTRONICS (SHANGHAI) CO., LTD
    Inventors: Feiqin HAO, Hongyang WU, Xiaoming CHEN, Cheng LU, Tao GE
  • Publication number: 20160322860
    Abstract: A power distribution system is connected to a first power supply, a second power supply and an energy storage unit. The power distribution system includes: a selection switch, its movable terminal being connected to a load and selectively being electrically connected to its first fixed terminal; a first converter, its first terminal being electrically connected to the second power supply; a second converter, its first terminal being electrically connected to a second terminal of the first converter and electrically connected to the energy storage unit; a first switch, its first terminal being electrically connected to a second terminal of the second converter, and its second terminal being electrically connected to the first fixed terminal of the selection switch; and a second switch, its first terminal being electrically connected to the second terminal of the first switch, and its second terminal being electrically connected to the first power supply.
    Type: Application
    Filed: February 29, 2016
    Publication date: November 3, 2016
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Hongyang WU, Xiaoming CHEN, Feiqin HAO, Cheng LU, Tao GE
  • Publication number: 20160276947
    Abstract: The present disclosure provides a power frequency current converter, including: an input side and an output side, wherein a current of the input side or the output side is a power frequency current; a switching device; and a controller, configured to control the switching device to be turned on and turned off at an operating frequency, wherein within a half of a power frequency cycle, the controller generates at least two fixed-frequency control signals and the operating frequency of the switching device alters at least twice according to the at least two fixed-frequency control signals, so as to reduce junction temperature of the switching device.
    Type: Application
    Filed: January 12, 2016
    Publication date: September 22, 2016
    Inventors: Hongyang WU, Weiqiang ZHANG, Lizhi XU, Wei GUAN
  • Publication number: 20160226479
    Abstract: The present application discloses a converter system, a driving circuit and a driving method for a semiconductor switch. The driving circuit includes a driving unit, a sampling unit and a selection unit. A plurality of turn-off driving units with different turn-off parameters is provided in the driving unit, and a turn-off driving unit having a turn-off parameter adaptive to the working state of the semiconductor switch is selected according to the working state of the semiconductor switch so as to turn off the semiconductor switch.
    Type: Application
    Filed: September 17, 2015
    Publication date: August 4, 2016
    Inventors: Lizhi XU, Weiyi FENG, Weiqiang ZHANG, Hongyang WU