Patents by Inventor XIAJUAN WU

XIAJUAN WU 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).

  • Lamp having a safety circuit, and a safety circuit for use in such lamps
    Patent number: 11672073
    Abstract: A lamp has a safety circuit connected to first and second electrical connection terminals. A test is used to detect if the first and second electrical connection terminals are both connected to external power without an interfering impedance such a human body, and only then enable operation of the lamp. A time for the test is different from a time when another lamp in the system applies a test.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 6, 2023
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Xiajuan Wu, Dalibor Cvoric, Ye Liu, Haimin Tao, Yun Wang, Han Lu, Jing Yang, Deyong Kong, Jing Li
  • A LAMP HAVING A SAFETY CIRCUIT, AND A SAFETY CIRCUIT FOR USE IN SUCH LAMPS
    Publication number: 20220061142
    Abstract: A lamp has a safety circuit connected to first and second electrical connection terminals. A test is used to detect if the first and second electrical connection terminals are both connected to external power without an interfering impedance such a human body, and only then enable operation of the lamp. A time for the test is different from a time when another lamp in the system applies a test.
    Type: Application
    Filed: December 17, 2019
    Publication date: February 24, 2022
    Inventors: XIAJUAN WU, DALIBOR CVORIC, YE LIU, HAIMIN TAO, YUN WANG, HAN LU, JING YANG, DEYONG KONG, JING LI