Patents by Inventor Yimou Ling

Yimou Ling 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).

  • Demultiplexer/multiplexer module using submodules having wavelength-division-multiplexing filter
    Patent number: 11131804
    Abstract: A DeMux/Mux module comprises a first submodule comprising a first fiber and a second fiber disposed symmetrically about a first optical axis of the first submodule, a first lens and a first WDM filter attached to the first lens, A first incident light is incident on the first WDM filter. Light having a first transmitted wavelength is transmitted through the first WDM filter and is output from the second fiber. Light having wavelengths other than the first transmitted wavelengths is reflected from the first WDM filter, and input to a second submodule through light propagation in free space.
    Type: Grant
    Filed: May 30, 2020
    Date of Patent: September 28, 2021
    Assignee: XDK Communication Equipment (Huizhou) Ltd.
    Inventors: Chun He, Yimou Ling