Patents by Inventor Zheao Ma

Zheao Ma 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: 11927480
    Abstract: The present invention is directed to electrical circuits and methods. According to a specific embodiment, the present invention provides a voltage compensation mechanism for one or more single-phone avalanche diodes (SPADs). A reference voltage is generated based at least on an operating voltage of the SPADs. The reference voltage is coupled to a charge pump that generates a compensation voltage for the diodes. There are other embodiments as well.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: March 12, 2024
    Assignee: SHANGHAI LINGFANG TECHNOLOGY CO., LTD.
    Inventors: Jun Wang, Ning Zhang, Zheao Ma, Jiaxing Liu, Wei Yuan
  • Publication number: 20230213382
    Abstract: The present invention is directed to electrical circuits and methods. According to a specific embodiment, the present invention provides a voltage compensation mechanism for one or more single-phone avalanche diodes (SPADs). A reference voltage is generated based at least on an operating voltage of the SPADs. The reference voltage is coupled to a charge pump that generates a compensation voltage for the diodes. There are other embodiments as well.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 6, 2023
    Inventors: Jun WANG, Ning Zhang, Zheao Ma, Jiaxing Liu, Wei Yuan