Patents by Inventor Qunsheng Liu

Qunsheng Liu 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: 8542843
    Abstract: The invention relates to a noise canceling audio transmitting/receiving device; a stereo headset with an integrated array of microphones utilizing an adaptive beam forming algorithm. The invention also relates to a method of using an adaptive beam forming algorithm that may be incorporated into a stereo headset. The sensor array used herein has adaptive filtering capabilities.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: September 24, 2013
    Assignee: Andrea Electronics Corporation
    Inventors: Douglas Andrea, Qunsheng Liu, John Probst
  • Publication number: 20090268931
    Abstract: The invention relates to a noise canceling audio transmitting/receiving device; a stereo headset with an integrated array of microphones utilizing an adaptive beam forming algorithm. The invention also relates to a method of using an adaptive beam forming algorithm that may be incorporated into a stereo headset. The sensor array used herein has adaptive filtering capabilities.
    Type: Application
    Filed: April 24, 2009
    Publication date: October 29, 2009
    Inventors: Douglas ANDREA, Qunsheng Liu, John Probst
  • Patent number: 7319762
    Abstract: A headphone system is provided with two earbud headphones and a control module, each fitted with a plurality of light emitting diodes (LEDs). The LEDs may be of many different colors and flash to the beat of the music. Patterns, colors, and intensity may be adjusted based on a user's preferences. The intensity, frequency, and light patterns of the LEDs may change when a threshold level is reached.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: January 15, 2008
    Assignee: Andrea Electronics Corporation
    Inventors: Douglas J. Andrea, Qunsheng Liu