Patents by Inventor Qiujie ZHANG

Qiujie ZHANG 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).

  • Optical Device For AR Glasses
    Publication number: 20240241376
    Abstract: A beam combining device, enabled to combine a first beam with a second beam of a different spectrum into a combined beam, where the combination may be obtained through a device comprising two antireflective coating, a dichroic filter coating, and a reflective coating arranged on a substrate.
    Type: Application
    Filed: February 20, 2023
    Publication date: July 18, 2024
    Inventors: Tyler You, Fadian Le, Jian Gao, Qiujie Zhang, Yulin Zhang
  • LINK BACKUP AND POWER SOURCE BACKUP METHOD, DEVICE AND SYSTEM, AND STORAGE MEDIUM
    Publication number: 20170134263
    Abstract: The present disclosure provides a link backup method, including: monitoring whether an active power over Ethernet (POE) transmission link between two devices is normal; switching the POE transmission link to a broadband over power line (BPL) link when it is monitored that the POE transmission link is abnormal; and transmitting data between the two devices through the BPL link. Moreover, the present disclosure further discloses a power source backup method, a link and power source backup method, a link backup device, a power source backup device and a link and power source backup system.
    Type: Application
    Filed: October 15, 2014
    Publication date: May 11, 2017
    Inventor: Qiujie ZHANG