Patents by Inventor Jacky Chi-Hung Chan

Jacky Chi-Hung Chan 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).

  • PORTABLE AUDIO SYSTEM HAVING WAVEGUIDE STRUCTURE
    Publication number: 20080152181
    Abstract: An apparatus includes a housing. A waveguide is located within the housing. The waveguide includes a first subsection that bends around a first axis and has a first cross-sectional area with an aspect ratio that is substantially different from unity. A second subsection bends around a second axis that is non-parallel to the first axis and includes a second cross-sectional area with an aspect ratio that is substantially different from unity. A third subsection acoustically couples the first subsection to the second subsection. The third subsection includes a third cross-sectional area with an aspect ration that varies between the first aspect ratio and the second aspect ratio.
    Type: Application
    Filed: December 22, 2006
    Publication date: June 26, 2008
    Inventors: Robert Preston Parker, Roman Litovsky, Jacky Chi-Hung Chan, Todd Charter Brown