Patents by Inventor Guozhu Long

Guozhu Long 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).

  • Patent number: 11930345
    Abstract: A speaker is provided, including a speaker housing and a speaker body. The speaker body is connected to the speaker housing, the speaker body and the speaker housing form a cavity, the cavity includes a first inner cavity and a second inner cavity, and the first inner cavity and the second inner cavity are connected through a connecting hole.
    Type: Grant
    Filed: November 14, 2021
    Date of Patent: March 12, 2024
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Guozhu Jiang, Lifeng Long
  • Patent number: 11924620
    Abstract: This disclosure provides a speaker and a terminal device. The speaker includes a speaker housing and a speaker body, where the speaker body is disposed in the speaker housing, the speaker body and the speaker housing form a speaker front cavity and a speaker rear cavity, the speaker housing is provided with a sound output channel, the sound output channel communicates with the speaker front cavity, the speaker rear cavity includes a first sub-cavity, the speaker housing includes a first spacer disposed in the first sub-cavity, the first spacer splits the first sub-cavity into a resonance tube and a resonance cavity, the resonance tube communicates with the resonance cavity, a first connecting hole is provided in a side wall of the speaker front cavity, and the speaker front cavity communicates with the resonance tube through the first connecting hole.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: March 5, 2024
    Assignee: Vivo Mobile Communication Co., Ltd.
    Inventors: Guozhu Jiang, Lifeng Long
  • Patent number: 10872989
    Abstract: An encapsulant material for a photovoltaic module. The encapsulant material includes: between 30 and 50 parts by weight of fiber cloth and between 50 and 70 parts by weight of acrylic powder coating. The fiber cloth is made of fiber material. The acrylic powder coating includes an acrylic resin, a curing agent, and an additive. The acrylic powder coating is uniformly coated on the fiber cloth. A method of preparing the encapsulant material includes: uniformly coating the acrylic powder coating on the fiber cloth, thermally bonding the acrylic powder coating and the fiber cloth using pressure and heat, and piecewise cutting the thermally bonded acrylic powder coating and the fiber cloth.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: December 22, 2020
    Assignees: TIGER NEW SURFACE MATERIALS (SUZHOU) CO., LTD., SUNMAN (SHANGHAI) CO., LTD.
    Inventors: Tianhe Dai, Biao Luo, Zhicheng Wang, Guozhu Long, Jiaoyan Liu, Chengrong Lian, Weili Wang
  • Patent number: 10778364
    Abstract: An ONU comprises a receiver configured to receive a continuous-mode TDMA downstream signal from an OLT; a PD coupled to the receiver and configured to convert the continuous-mode TDMA downstream signal to an electrical signal or an RF signal; an ADC coupled to the PD and configured to convert the electrical signal or the RF signal to a digital signal; and a burst-mode data recovery stage coupled to the ADC and configured to perform data recovery on a segment of the digital signal corresponding to the ONU, the burst-mode data recovery stage comprises a synchronization stage configured to perform synchronization on the segment.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 15, 2020
    Assignee: Futurewei Technologies, Inc.
    Inventors: Xiang Liu, Frank Effenberger, Huaiyu Zeng, Guozhu Long, Haixiang Liang
  • Patent number: 10553737
    Abstract: A laminated structure, including: a first encapsulation layer, a second encapsulation layer, and a solar cell string between the first encapsulation layer and the second encapsulation layer. The first encapsulation layer includes 30-50 wt. % of fiber cloth and 50-70 wt. % of a first powder coating evenly disposed on the fiber cloth. The second encapsulation layer includes 30-50 wt. % of the fiber cloth and 50-70 wt. % of a second powder coating evenly disposed on the fiber cloth. The first powder coating includes an acrylic powder coating or a polyester powder coating. The second powder coating includes the polyester powder coating. The acrylic powder coating includes an acrylic resin and an acrylic resin curing agent. The polyester powder coating includes a polyester resin and a polyester resin curing agent.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: February 4, 2020
    Assignee: SUNMAN (HONG KONG) LIMITED
    Inventors: Zhengrong Shi, Guozhu Long, Jiaoyan Liu, Chengrong Lian, Weili Wang
  • Publication number: 20190252563
    Abstract: A laminated structure, including: a first encapsulation layer, a second encapsulation layer, and a solar cell string between the first encapsulation layer and the second encapsulation layer. The first encapsulation layer includes 30-50 wt. % of fiber cloth and 50-70 wt. % of a first powder coating evenly disposed on the fiber cloth. The second encapsulation layer includes 30-50 wt. % of the fiber cloth and 50-70 wt. % of a second powder coating evenly disposed on the fiber cloth. The first powder coating includes an acrylic powder coating or a polyester powder coating. The second powder coating includes the polyester powder coating. The acrylic powder coating includes an acrylic resin and an acrylic resin curing agent. The polyester powder coating includes a polyester resin and a polyester resin curing agent.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Inventors: Zhengrong SHI, Guozhu LONG, Jiaoyan LIU, Chengrong LIAN, Weili WANG
  • Publication number: 20190097071
    Abstract: An encapsulant material for a photovoltaic module. The encapsulant material includes: between 30 and 50 parts by weight of fiber cloth, and between 50 and 70 parts by weight of a polyester powder coating. The polyester powder coating includes a polyester resin and a curing agent. The polyester resin is a polymer of monomers selected from terephthalic acid, m-phthalic acid, neopentyl glycol, adipic acid, ethylene glycol, or a mixture thereof. The curing agent accounts for 2-20 wt. % of the polyester powder coating. The polyester powder coating is evenly distributed on the fiber cloth. A method of preparing the packaging material includes: evenly distributing the polyester powder coating on the fiber cloth using a coating device; and thermally bonding the polyester powder coating and the fiber cloth.
    Type: Application
    Filed: November 22, 2018
    Publication date: March 28, 2019
    Inventors: Tianhe DAI, Biao LUO, Zhicheng WANG, Guozhu LONG, Jiaoyan LIU, Chengrong LIAN, Weili WANG
  • Publication number: 20180374974
    Abstract: An encapsulant material for a photovoltaic module. The encapsulant material includes: between 30 and 50 parts by weight of fiber cloth and between 50 and 70 parts by weight of acrylic powder coating. The fiber cloth is made of fiber material. The acrylic powder coating includes an acrylic resin, a curing agent, and an additive. The acrylic powder coating is uniformly coated on the fiber cloth. A method of preparing the encapsulant material includes: uniformly coating the acrylic powder coating on the fiber cloth, thermally bonding the acrylic powder coating and the fiber cloth using pressure and heat, and piecewise cutting the thermally bonded acrylic powder coating and the fiber cloth.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 27, 2018
    Inventors: Tianhe DAI, Biao LUO, Zhicheng WANG, Guozhu LONG, Jiaoyan LIU, Chengrong LIAN, Weili WANG
  • Patent number: 10135602
    Abstract: The present invention provides a method, an apparatus, and a system for time synchronization of an xDSL. The method includes: transmitting, by a customer premises equipment, a first symbol to a central office equipment, and obtaining time Ts2 indicating the moment that the first symbol is transmitted; receiving, by the CPE, a second symbol transmitted by the CO, and obtaining time Ts1 indicating the moment that the second symbol is received; obtaining, by the CPE obtains time Tm2 indicating the moment that the first symbol is received by the CO and time Tm1 indicating the moment that the second symbol is transmitted by the CO; the CPE calculates an offset between a clock of the CPE and a clock of the CO according to Ts1, Ts2, Tm1 and Tm2; and the CPE adjusts the clock of the CPE according to the offset to achieve synchronization.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: November 20, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guijin Xu, Guozhu Long, Ruijie Xiao, Zhilei Zhao, Xuyong Wu, Yuchen Jia
  • Publication number: 20180302183
    Abstract: An ONU comprises a receiver configured to receive a continuous-mode TDMA downstream signal from an OLT; a PD coupled to the receiver and configured to convert the continuous-mode TDMA downstream signal to an electrical signal or an RF signal; an ADC coupled to the PD and configured to convert the electrical signal or the RF signal to a digital signal; and a burst-mode data recovery stage coupled to the ADC and configured to perform data recovery on a segment of the digital signal corresponding to the ONU, the burst-mode data recovery stage comprises a synchronization stage configured to perform synchronization on the segment.
    Type: Application
    Filed: March 8, 2018
    Publication date: October 18, 2018
    Inventors: Xiang Liu, Frank Effenberger, Huaiyu Zeng, Guozhu Long, Haixiang Liang
  • Patent number: 10063278
    Abstract: An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: August 28, 2018
    Assignee: Futurewei Technologies, Inc.
    Inventors: Raphael Jean Cendrillon, Guozhu Long
  • Patent number: 9680525
    Abstract: Embodiments of the present invention provide a signal processing method in a DSL system. The method includes: determining that there is no to-be-sent downstream signal on m subscriber lines in n subscriber lines; superimposing a signal X on the m subscriber lines, so that a signal output on the m subscriber lines after precoding processing is 0, where xm indicates a signal component loaded on the mth subscriber line in the m subscriber lines; performing precoding processing on a downstream signal on the n subscriber lines; and sending the downstream signal that has undergone the precoding processing on another line except the m subscriber lines in the n subscriber lines. The embodiments of the present invention further provide a network-side device and a DSL system.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: June 13, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jianhua Liu, Guozhu Long, Xiang Wang, Yixian Liu
  • Patent number: 9641373
    Abstract: An apparatus comprises: a receiver port configured to receive an input signal comprising in-phase and quadrature (IQ) data and control words (CWs); a peak-to-average power (PAPR) reducer coupled to the receiver port and configured to: receive the IQ data, process the IQ data, separate the IQ data into a clipped signal and a peak signal, and determine peak information associated with the peak signal; and a transmitter port coupled to the PAPR reducer and configured to separately transmit the clipped signal and the peak information. A method comprises: receiving an input signal comprising first data and second data; processing the first data; separating the first data into a clipped signal and a peak signal; determining peak information associated with the peak signal; and transmitting the clipped signal and the peak information.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: May 2, 2017
    Assignee: Futurewei Technologies, Inc.
    Inventors: Huaiyu Zeng, Xiang Liu, Frank Effenberger, Guozhu Long
  • Publication number: 20170005700
    Abstract: An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Inventors: Raphael Jean Cendrillon, Guozhu Long
  • Publication number: 20160373283
    Abstract: An apparatus comprises: a receiver port configured to receive an input signal comprising in-phase and quadrature (IQ) data and control words (CWs); a peak-to-average power (PAPR) reducer coupled to the receiver port and configured to: receive the IQ data, process the IQ data, separate the IQ data into a clipped signal and a peak signal, and determine peak information associated with the peak signal; and a transmitter port coupled to the PAPR reducer and configured to separately transmit the clipped signal and the peak information. A method comprises: receiving an input signal comprising first data and second data; processing the first data; separating the first data into a clipped signal and a peak signal; determining peak information associated with the peak signal; and transmitting the clipped signal and the peak information.
    Type: Application
    Filed: June 14, 2016
    Publication date: December 22, 2016
    Inventors: Huaiyu Zeng, Xiang Liu, Frank Effenberger, Guozhu Long
  • Patent number: 9485740
    Abstract: Embodiments of the present invention disclose a signal transmission method. A first correspondence is acquired between both a PSD of transmitted signals of the first communications equipment and a PSD of transmitted signals of a second communications equipment and a signal-to-noise ratio of received signals of the first communications equipment. A second correspondence is acquired between the signal-to-noise ratio of received signals of the first communications equipment and the number of bits for bearing signals. An optimization algorithm is used to calculate a PSD of transmitted signals of the first communications equipment and a PSD of transmitted signals of the second communications equipment.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 1, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Cao Shi, Xiaoyue He, Guozhu Long, Dong Wei
  • Patent number: 9462116
    Abstract: An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: October 4, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Raphael Jean Cendrillon, Guozhu Long
  • Patent number: 9288152
    Abstract: A method of discontinuous transmission data communication in a digital subscriber line (DSL) transceiver unit, the method comprising determining that a number of a plurality of bits available to transmit is enough to fill a data transfer unit (DTU), forming a DTU, by a DTU framer, comprising the plurality of bits, transferring the DTU to a retransmission queue, and determining the DTUs from the retransmission queue to be transmitted over a next time period used for transmitting over the DSL subscriber line by the DSL transceiver unit.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: March 15, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Ruxiang Wang, Amir H. Fazlollahi, Guozhu Long, Yan Zhang
  • Patent number: 9231754
    Abstract: An apparatus comprising a customer node configured to couple to an access node and to receive via a channel from the access node a time of day (TOD) value and a corresponding sample index (SNUM) value, wherein the TOD value and the SNUM value are used to estimate a second time of day (TOD?) value based on a propagation delay of the channel (L-Delay), and wherein the TOD value and the TOD? value are used to estimate a second SNUM value (SNUM?) based on L-Delay and a plurality of parameters.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: January 5, 2016
    Assignee: Futurewei Technologies, Inc.
    Inventors: Dong Wei, Guozhu Long, Jianhua Liu, Guijin Xu, Anni Wu
  • Publication number: 20150311949
    Abstract: Embodiments of the present invention provide a signal processing method in a DSL system. The method includes: determining that there is no to-be-sent downstream signal on m subscriber lines in n subscriber lines; superimposing a signal X on the m subscriber lines, so that a signal output on the m subscriber lines after precoding processing is 0, where xm indicates a signal component loaded on the mth subscriber line in the m subscriber lines; performing precoding processing on a downstream signal on the n subscriber lines; and sending the downstream signal that has undergone the precoding processing on another line except the m subscriber lines in the n subscriber lines. The embodiments of the present invention further provide a network-side device and a DSL system.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Inventors: Jianhua Liu, Guozhu Long, Xiang Wang, Yixian Liu