Patents by Inventor Dong-lk Park

Dong-lk Park 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).

  • SPEAKER DEVICE OF MOBILE COMMUNICATION TERMINAL FOR OUTPUTTING HIGH QUALITY SOUND
    Publication number: 20090080678
    Abstract: A speaker device employing a diaphragm structure for providing high quality sound characteristics. In particular, a separate speaker unit is additionally provided so as to improve a resonator characteristic produced at the rear side of an existing speaker. As such, the rear sound arriving at an end of the resonator is dampened by the sound outputted from the additional speaker unit, thereby improving characteristics, such as clearness, total harmonic distortion, etc.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 26, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-lk Park, Soon-Youl Kwon