Patents by Inventor Guodong Zhao

Guodong Zhao 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: 11178494
    Abstract: An embodiment of the present invention provides a sound generating device which comprises a housing, wherein a sound generating unit is mounted in the housing, a closed rear cavity is formed between the sound generating unit and the housing, and the sound generating unit is provided with a rear sound hole in communication with the rear cavity, wherein the sound generating unit comprises a magnetic circuit system, an expandable-capacity cavity being provided on the magnetic circuit system, and the expandable-capacity cavity acting as part of the rear cavity to increase a volume of the rear cavity.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: November 16, 2021
    Assignee: Goertek Inc.
    Inventors: Guodong Zhao, Zedong Zheng, Peijun Li, Yaqian Ji
  • Patent number: 11150364
    Abstract: A crystal array, a detector, a medical detection device and a method for manufacturing a crystal array are provided. The crystal array includes a plurality of crystals arranged in an array, each of the crystals having a light incident surface, a light exit surface, and a connection surface connecting the light incident surface to the light exit surface, where the connection surface of at least one of two adjacent crystals includes a rough surface and a smooth surface connected to the rough surface, and the rough surface and the smooth surface are arranged along a length direction of the crystal.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: October 19, 2021
    Assignee: Shanghai Neusoft Medical Technology Co., Ltd.
    Inventors: Xinying Li, Xi Wang, Jian Zhao, Baowei Xu, Guodong Liang
  • Patent number: 11128384
    Abstract: Example fiber amplifiers and gain adjustment methods for the fiber amplifiers are described. One example fiber amplifier includes a first power amplifier, a wavelength level adjuster, and a controller, where the first power amplifier and the wavelength level adjuster are sequentially connected. The controller includes a first input end and a control output end. The first input end is configured to receive an input optical signal of the fiber amplifier, and the control output end is configured to output a first amplification control signal to the first power amplifier, and output an adjustment control signal to the wavelength level adjuster. The wavelength level adjuster is configured to perform power adjustment on each wavelength based on the adjustment control signal.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: September 21, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yuanwu Wang, Zhiwen Chang, Guodong You, Zhenqing Zhao, Fei Chen
  • Publication number: 20210274286
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes a thermoplastic polyester elastomer film layer, a thermoplastic polyester elastomer being a copolymer composed of a hard segment A of polyester and a soft segment B of polyether or aliphatic polyester, wherein the thermoplastic polyester elastomer film layer has Young's modulus of 1-1000 MPa, with an elastic recovery rate after 10% strain being greater than or equal to 80%. The speaker diaphragm has a good stiffness, a good damping performance and a good resilience.
    Type: Application
    Filed: October 13, 2018
    Publication date: September 2, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210274285
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The speaker diaphragm comprises a thermoplastic polyester elastomer film layer (11), wherein a thermoplastic polyester elastomer is a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, and the thermoplastic polyester elastomer film layer has a glass transition temperature being less than or equal to 20° C., and a thermoplastic temperature being 50° C.-200° C. The use of the thermoplastic polyester elastomer film layer enables the speaker diaphragm to have a good flexibility, a high reliability, and a good durability, and improves the anti-destructive ability of the speaker.
    Type: Application
    Filed: October 13, 2018
    Publication date: September 2, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210274288
    Abstract: A speaker is disclosed, which comprises a vibration system and a magnetic circuit system cooperating with the vibration system. The vibration system includes a speaker diaphragm, the speaker diaphragm comprises two surface layers compounded together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers is a thermoplastic polyester elastomer film layer, the at least one intermediate layer is an adhesive layer, the speaker diaphragm has Young's modulus of 5-700 MPa and an amplitude of 0.25 mm-1 mm, and the speaker has F0 of 150-1500 Hz. The speaker has a good sounding effect.
    Type: Application
    Filed: October 13, 2018
    Publication date: September 2, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210266673
    Abstract: The present invention discloses a sound production apparatus, comprising a first vibration system, a second vibration system and a magnetic circuit system, wherein the first vibration system comprises a first diaphragm and a voice coil arranged on a side, facing the magnetic circuit system, of the first diaphragm; the second vibration system comprises a second diaphragm arranged opposite to the first diaphragm, and a middle position of the second diaphragm is combined with a reinforcement portion; the reinforcement portion is provided with an extension portion extending along a direction close to the first diaphragm, and a position, corresponding to the extension portion, in the magnetic circuit system is provided with an avoidance portion; and the extension portion is capable of passing through the avoidance portion, and is fixed to the first diaphragm.
    Type: Application
    Filed: December 29, 2018
    Publication date: August 26, 2021
    Applicant: Goertek Inc.
    Inventors: Xinglong Wang, Guodong Zhao, Lianshan Ge, Chunfa Liu
  • Publication number: 20210266672
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes a thermoplastic polyester elastomer film layer (11), a thermoplastic polyester elastomer being a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, wherein a mass percentage of the polyester hard segment A is 10-95%. The speaker diaphragm features high structural strength, is not easy to be damaged, and has good toughness and resilience and a good sound generation effect.
    Type: Application
    Filed: October 13, 2018
    Publication date: August 26, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210258707
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes two surface layers compounded together and at least one intermediate layer located between the two surface layers, at least one of the surface layers is a thermoplastic polyester elastomer film layer, and at least one of the intermediate layers is au adhesive layer, wherein the thermoplastic polyester elastomer film layer has a Young's module of 1-1000 MPa, a loss factor being greater than or equal to 0.015, and an elastic recovery rate after 10% strain being greater than or equal to 80%. The speaker diaphragm may be made very thin, thus reducing the weight of the speaker diaphragm, improving the space allowance for vibration, improving the sensitivity, and making the F0 of the speaker lower. Further elastic area of the speaker diaphragm is wider and the resilience performance is excellent.
    Type: Application
    Filed: October 13, 2018
    Publication date: August 19, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210258692
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes two surface layers compounded together and at least one intermediate layer located between the two surface layers, wherein at least one of the surface layers is a thermoplastic polyester elastomer film layer, at least one of the intermediate layers is an adhesive layer, a thermoplastic polyester elastomer is a copolymer composed of a polyester hard segment A and a polyether or aliphatic polyester soft segment B, a thickness of the thermoplastic polyester elastomer film layer is 5-70 ?m, and a thickness of the adhesive layer is 1-40 ?m.
    Type: Application
    Filed: October 13, 2018
    Publication date: August 19, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210258695
    Abstract: The present disclosure provides a speaker, comprising a vibration system including a speaker diaphragm and a magnetic circuit system cooperating with the vibration system. The speaker diaphragm comprises a thermoplastic polyester elastomer membrane and has a vibration amplitude of 0.25-1 mm, and the speaker has F0 of 150-1500 Hz. The speaker has the characteristic of good listening effect.
    Type: Application
    Filed: October 13, 2018
    Publication date: August 19, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210120340
    Abstract: The present disclosure provides a speaker diaphragm and a speaker. The diaphragm includes two surface layers compounded together and at least one intermediate layer located between the two surface layers, at least one of the surface layers being a thermoplastic polyester elastomer film layer (11), at least one intermediate layers being an adhesive layer (12), wherein the plastic polyester elastomer is a copolymer composed of a hard segment A of polyester and a soft segment B of polyether or aliphatic polyester, and the hard segment A of polyester has a mass percentage of 10-95%. The speaker diaphragm accommodates an excellent rigidity, a good damping performance and resilience and so on.
    Type: Application
    Filed: October 13, 2018
    Publication date: April 22, 2021
    Applicant: Goertek Inc.
    Inventors: Ting Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
  • Publication number: 20210087636
    Abstract: Disclosed is a primer and probe set for diagnosis, detection or screening of colorectal cancer. A forward primer of SEPT9 is selected from any one of SEQ ID NOs: 1-25, a reverse primer of SEPT9 is selected from any one of SEQ ID NOs: 26-51, the blocker primer of SEPT9 is selected from any one of SEQ ID NOs: 52-67, and the probe of SEPT9 is selected from any one of SEQ ID NOs: 68-90. A forward primer of SDC2 is selected from any one of SEQ ID NOs: 91-117, a reverse primer of SDC2 is selected from any one of SEQ ID NOs: 118-143, the blocker primer of SDC2 is selected from any one of SEQ ID NOs: 144-156, and the probe of SDC2 is selected from any one of SEQ ID NOs: 157-174.
    Type: Application
    Filed: January 8, 2019
    Publication date: March 25, 2021
    Applicant: SUZHOU VERSABIO TECHNOLOGIES, INC.
    Inventor: Guodong ZHAO
  • Patent number: 10910723
    Abstract: A planar antenna for digital television, wherein the planar antenna for digital television comprises a substrate, and a low-frequency radiation line and a high-frequency radiation line arranged on the substrate, the length of the low-frequency radiation lines being one quarter of a wavelength corresponding to the VHF frequency band, and the length of the high-frequency radiation lines being one quarter of a wavelength corresponding to the UHF frequency band.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: February 2, 2021
    Assignee: SHENZHEN TUKO TECHNOLOGY CO, LTD.
    Inventor: Guodong Zhao
  • Publication number: 20200413201
    Abstract: A sound generator comprises a shell, a vibration system and a magnetic circuit system, wherein the shell sequentially accommodates and fixes the vibration system and the magnetic circuit system from top to bottom; the magnetic circuit system comprises a magnetic conductive yoke, and a central magnetic circuit portion and a side magnetic circuit portion that are mounted on an upper surface of the magnetic conductive yoke; a magnetic gap is formed between the central magnetic circuit portion and the side magnetic circuit portion; and at least one of the central magnetic circuit portion and the side magnetic circuit portion is provided with a permanent magnet; the magnetic circuit system is provided with a rear sound hole; a rear cavity in communication with the rear sound hole is provided directly below the magnetic circuit system.
    Type: Application
    Filed: December 25, 2018
    Publication date: December 31, 2020
    Applicant: Goertek Inc.
    Inventors: Guodong Zhao, Peijun Li, Yaqian Ji, Zhilei Han
  • Publication number: 20200404425
    Abstract: A sound generator comprises a shell, a vibration system and a magnetic circuit system sequentially accommodated and fixed at a first end of the shell from top to bottom; the magnetic circuit system is provided with a rear sound hole; the shell comprises a first portion corresponding to the vibration system and the magnetic circuit system, and a second portion integrally extending downward from the first portion beyond a bottom surface of the magnetic circuit system. A second end portion of the shell is integrally provided with a shell bottom wall or separately mounted with a lower cover plate; and a rear cavity in communication with the rear sound hole is formed.
    Type: Application
    Filed: December 25, 2018
    Publication date: December 24, 2020
    Applicant: Goertek Inc.
    Inventors: Guodong Zhao, Peijun Li, Yaqian Ji, Zhilei Han
  • Publication number: 20200382875
    Abstract: A sound generator, which comprises: a housing, a vibration system and a magnetic circuit system. The vibration system and the magnetic circuit system are sequentially accommodated and fixed at a first end of the housing from top to bottom; the magnetic circuit system is provided with a rear sound hole; the housing comprises a first portion corresponding to the vibration system and the magnetic circuit system, and a second portion integrally extending downward from the first portion beyond a bottom surface of the magnetic circuit system; a second end portion of the housing is integrally provided with a housing bottom wall or separately mounted with a lower cover plate; and a rear cavity which is in communication with the rear sound hole is formed between the second portion of the housing, the bottom surface of the magnetic circuit system, and the housing bottom wall or the lower cover plate.
    Type: Application
    Filed: December 24, 2018
    Publication date: December 3, 2020
    Applicant: Goertek Inc.
    Inventors: Guodong Zhao, Zedong Zheng, Peijun Li, Yaqian Ji
  • Patent number: D901467
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: November 10, 2020
    Inventor: Guodong Zhao
  • Patent number: D901468
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: November 10, 2020
    Inventor: Guodong Zhao
  • Patent number: D924854
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: July 13, 2021
    Assignee: SHENZHEN TUKO TECHNOLOGY CO., LTD.
    Inventor: Guodong Zhao