Patents by Inventor In-Kwang Kim

In-Kwang Kim 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).

  • Robot apparatus for detecting direction of sound source to move to sound source and method for operating the same
    Patent number: 6308114
    Abstract: A robot apparatus for detecting a sound signal outputted from a sound signal generating unit to move to a position of the sound signal generating device, wherein the sound signal has a specific pattern, includes: at least three sound receiving unit (114) for receiving the sound signal; a phase difference detecting unit (118) for detecting a phase difference between each sound signal from the sound receiving unit (114); a processing unit (125) for determining a position of the sound generating unit using the phase difference, to generate a moving control signal; and a moving unit (130) for moving the robot apparatus in response to the moving control signal.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: October 23, 2001
    Inventor: In-Kwang Kim