Patents by Inventor Charles Pao-Hui Sung

Charles Pao-Hui Sung 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).

  • Publication number: 20020076040
    Abstract: An improved structure of headphone comprising: an arched straddle type strip, one end of the straddle type strip is provided with an earphone, an enlarged piece is provided on the other end of the arched straddle type strip, a flexible twig with a microphone on its own end is connected to the lower end of the earphone, the structure is characterized by that: the enlarged piece is provided with a soft cover having on the front and the rear ends thereof elastic hollow protrusions for contacting a lateral side of a head; thereby, the headphone can take advantage of the soft and comfortable elastic hollow protrusions for wearing and fixing after adjustment on and any head with different size, thus a practical structure of headphone is obtained.
    Type: Application
    Filed: December 20, 2000
    Publication date: June 20, 2002
    Applicant: Toong In Electronic Corp.
    Inventor: Charles Pao-Hui Sung
  • Publication number: 20020071586
    Abstract: An improved structure of earphone comprising a sound putting out earplug, a microphone and an intermediate connecting bar, wherein, the connecting bar includes several sections pivotally and foldably connected with each other; thereby, the microphone can be collapsed when in use to be effectively gotten close to one's mouth, so that communication is clear, and can be collapsed to reduce volume for storage when not in use.
    Type: Application
    Filed: December 13, 2000
    Publication date: June 13, 2002
    Inventor: Charles Pao-Hui Sung