Patents by Inventor Chunduo LIU

Chunduo LIU 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).

  • Test device and calibrating method
    Patent number: 11467053
    Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: two plates, which are pressed against each other with pressure, wherein minor gap between the two plates are used as water leakage path.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 11, 2022
    Assignee: GOERTEK INC.
    Inventors: Richard Warren Little, Tonghai Wu, Fengnian Ma, Zimin Li, Bing Dai, Zongxue Tang, Chunduo Liu, Rui Zhou
  • Test device and calibrating method
    Patent number: 11187609
    Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: at least two plates stacked together, in corresponding positions of which holes are formed; and at least one layer of waterproof mesh, which is sandwiched between two adjacent plates and covers the holes.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 30, 2021
    Assignee: GOERTEK INC.
    Inventors: Richard Warren Little, Kwong Yu So, Tonghai Wu, Fengnian Ma, Zimin Li, Bing Dai, Zongxue Tang, Chunduo Liu, Rui Zhou
  • TEST DEVICE AND CALIBRATING METHOD
    Publication number: 20210223135
    Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: two plates, which are pressed against each other with pressure, wherein minor gap between the two plates are used as water leakage path.
    Type: Application
    Filed: May 31, 2018
    Publication date: July 22, 2021
    Inventors: Richard Warren LITTLE, Tonghai WU, Fengnian MA, Zimin LI, Bing DAI, Zongxue TANG, Chunduo LIU, Rui ZHOU
  • TEST DEVICE AND CALIBRATING METHOD
    Publication number: 20210223133
    Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: at least two plates stacked together, in corresponding positions of which holes are formed; and at least one layer of waterproof mesh, which is sandwiched between two adjacent plates and covers the holes.
    Type: Application
    Filed: May 31, 2018
    Publication date: July 22, 2021
    Inventors: Richard Warren LITTLE, Kwong Yu SO, Tonghai WU, Fengnian MA, Zimin LI, Bing DAI, Zongxue TANG, Chunduo LIU, Rui ZHOU
  • TEST DEVICE AND CALIBRATING METHOD
    Publication number: 20210223134
    Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: at least two plates stacked together, wherein each plate has at least one hole, and the holes in different adjacent plates are displaced with each other.
    Type: Application
    Filed: May 31, 2018
    Publication date: July 22, 2021
    Inventors: Richard Warren LITTLE, Tonghai WU, Fengnian MA, Zimin LI, Bing DAI, Zongxue TANG, Chunduo LIU, Rui ZHOU