Patents by Inventor Guiquan Lu

Guiquan Lu 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).

  • Electronic Circuit with Connection Error Indication Function
    Publication number: 20190277902
    Abstract: An electrical outlet device includes a connection circuit having neutral, hot and ground terminals that are configured to be connected to a corresponding line of a power source. The device also includes an interface panel with a receptacle configured to receive a load. An indicator interface device is attached to the interface panel. The indicator interface device includes at least three sets of light-emitting diodes (LEDs), and at least three switching circuits that are configured to turn the LED sets on and off. At least one combination of on/off states of the first, second and third LED sets indicates a correct connection or a unique type of error in a connection between the power source and the connection circuit.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 12, 2019
    Inventors: Lin Yang, Tao Xiong, Chuanchuan Zhuang, Guiquan Lu, Fengguo Zhang
  • Electronic circuit with connection error indication function
    Patent number: 10393792
    Abstract: An electrical outlet device includes a connection circuit having neutral, hot and ground terminals that are configured to be connected to a corresponding line of a power source. The device also includes an interface panel with a receptacle configured to receive a load. An indicator interface device is attached to the interface panel. The indicator interface device includes at least three sets of light-emitting diodes (LEDs), and at least three switching circuits that are configured to turn the LED sets on and off. At least one combination of on/off states of the first, second and third LED sets indicates a correct connection or a unique type of error in a connection between the power source and the connection circuit.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 27, 2019
    Assignee: Eaton Intelligent Power Limited
    Inventors: Lin Yang, Tao Xiong, Chuanchuan Zhuang, Guiquan Lu, Fengguo Zhang