Patents by Inventor Dongfang Ding

Dongfang Ding 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).

  • Elevator operation quality tester
    Patent number: 11365089
    Abstract: The invention provides an elevator operation quality tester, comprising a rectangle aluminium-alloy housing provided with a casing and a covering, an upper opening of the casing is provided with a groove for embedding in a touching screen; circuit board, three-axis acceleration sensor and rechargeable battery supplying power to the circuit board are provided in the casing; the circuit board is provide with elevator vibration data acquisition circuit, back-end data processing system, interface circuit and radio communication circuit; the casing is provided with a handle on the side; the elevator vibration data acquisition circuit comprises a power isolation module, a power circuit conversion module, a three-axis acceleration sensor, an analog and digital signal isolation module and a analog-digital conversion module, the power isolation module isolates an external power supply, and the power isolation module is connected to the power circuit conversion module.
    Type: Grant
    Filed: June 1, 2019
    Date of Patent: June 21, 2022
    Assignees: FUJIAN SPECIAL EQUIPMENT INSPECTION AND RESEARCH INSTITUTE, FUZHOU XINAOTENA TECHNOLOGY CO., LTD, FUZHOU ECLOUDIA INFORMATION TECHNOLOGY CO., LTD
    Inventors: Wei Zhang, Qinda Zeng, Zhongnan Xu, Zuen He, Jianpeng Deng, Siwen Huang, Dongfang Ding, Caiyu Bao
  • ELEVATOR OPERATION QUALITY TESTER
    Publication number: 20200223662
    Abstract: The invention provides an elevator operation quality tester, comprising a rectangle aluminium-alloy housing provided with a casing and a covering, an upper opening of the casing is provided with a groove for embedding in a touching screen; circuit board, three-axis acceleration sensor and rechargeable battery supplying power to the circuit board are provided in the casing; the circuit board is provide with elevator vibration data acquisition circuit, back-end data processing system, interface circuit and radio communication circuit; the casing is provided with a handle on the side; the elevator vibration data acquisition circuit comprises a power isolation module, a power circuit conversion module, a three-axis acceleration sensor, an analog and digital signal isolation module and a analog-digital conversion module, the power isolation module isolates an external power supply, and the power isolation module is connected to the power circuit conversion module.
    Type: Application
    Filed: June 1, 2019
    Publication date: July 16, 2020
    Inventors: Wei Zhang, Qinda Zeng, Zhongnan Xu, Zuen He, Jianpeng Deng, Siwen Huang, Dongfang Ding, Caiyu Bao