Patents by Inventor Lee Ming Yao

Lee Ming Yao 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).

  • Signal Amplifiers that Switch to an Attenuated or Alternate Communications Path in Response to a Power Interruption
    Publication number: 20130342272
    Abstract: RF signal amplifiers are provided that include an RF input port, a switching device having an input that is coupled to the RF input port, a first output and a second output, a first diplexer having an input that is coupled to both the first output of the switching device and the second output of the switching device, and a first RF output port that is coupled to an output of the first diplexer. These amplifiers further include an attenuator that is coupled between the second output of the switching device and the input of the first diplexer.
    Type: Application
    Filed: February 7, 2013
    Publication date: December 26, 2013
    Applicant: COMMSCOPE, INC. OF NORTH CAROLINA
    Inventors: Robert R. Riggsby, Shi Man Li, Lee Ming Yao