Patents by Inventor Yaohui Mao

Yaohui Mao 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).

  • Magnetic sensing device for navigation and detecting inclination
    Patent number: 7832111
    Abstract: A system and device for detecting yaw and changes in pitch angle for use with navigational and positional devices. The system and device include a multi-axis magnetic field sensing device and a controller. Preferably, the magnetic field sensing device is a multi-axis magnetic compass that is capable of sensing variations in pitch and yaw. The controller is adapted to process yaw and pitch rotational data to determine a positive or a negative change in pitch.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: November 16, 2010
    Assignee: Memsic, Inc.
    Inventors: Matthieu Lagouge, Yaohui Mao
  • Magnetic sensing device for navigation and detecting inclination
    Publication number: 20100063768
    Abstract: A system and device for detecting yaw and changes in pitch angle for use with navigational and positional devices. The system and device include a multi-axis magnetic field sensing device and a controller. Preferably, the magnetic field sensing device is a multi-axis magnetic compass that is capable of sensing variations in pitch and yaw. The controller is adapted to process yaw and pitch rotational data to determine a positive or a negative change in pitch.
    Type: Application
    Filed: September 9, 2008
    Publication date: March 11, 2010
    Applicant: MEMSIC, INC.
    Inventors: Matthieu Lagouge, Yaohui Mao