Patents by Inventor Han-Ho Maeng

Han-Ho Maeng 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).

  • Patent number: 7909651
    Abstract: A multifunctional connection cord having data and power interfaces for a personal computer and audio interface for an earphone is provided. A multifunctional connection cord of the present invention includes a stem; an audio plug mounted to protrude from one side of the stem for establishing audio signal lines with a multimedia device; a data/power connector mounted near the audio plug to protrude from the stem for establishing data lines and power charge lines with an external device; a USB connector electrically connected to the audio plug and the data/power connector through a cable by means of the stem; and a socket holder mounted on one side of the USB connector and having an audio socket for receiving an audio plug.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: March 22, 2011
    Assignee: Yungs Group, Inc.
    Inventors: Jin-Seok Kim, Han-Ho Maeng, Young-Woong Han, Myung-Hoon Jung
  • Patent number: 7699664
    Abstract: A multipurpose accessory having a multipurpose connection mechanism is provided. The multipurpose accessory of the present invention includes a case, a multipurpose connector extruded at one side of the case for electrically connecting a multimedia device to the multipurpose accessory, an audio connector extruded near the multipurpose connector for connecting an audio output of the multimedia device to the multipurpose accessory, a first cord extended at an opposite side of the case and connected to the audio connector, a second cord extended at the opposite side of the case and connected to the audio connector and having a USB connector at a distal end, and a pair of earpieces electrically connected to the first and second cords for outputting audio signals in the form of audible sound waves.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: April 20, 2010
    Assignee: Yungs Group, Inc.
    Inventors: Jin-Seok Kim, Han-Ho Maeng, Young-Woong Han, Myung-Hoon Jung
  • Publication number: 20080236866
    Abstract: A multifunctional connection cord having data and power interfaces for a personal computer and audio interface for an earphone is provided. A multifunctional connection cord of the present invention includes a stem; an audio plug mounted to protrude from one side of the stem for establishing audio signal lines with a multimedia device; a data/power connector mounted near the audio plug to protrude from the stem for establishing data lines and power charge lines with an external device; a USB connector electrically connected to the audio plug and the data/power connector through a cable by means of the stem; and a socket holder mounted on one side of the USB connector and having an audio socket for receiving an audio plug.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 2, 2008
    Applicant: YUNGS GROUP, INC.
    Inventors: Jin-Seok Kim, Han-Ho Maeng, Young-Woong Han, Myung-Hoon Jung
  • Publication number: 20080188124
    Abstract: A multipurpose accessory having a multipurpose connection mechanism is provided. The multipurpose accessory of the present invention includes a case, a multipurpose connector extruded at one side of the case for electrically connecting a multimedia device to the multipurpose accessory, an audio connector extruded near the multipurpose connector for connecting an audio output of the multimedia device to the multipurpose accessory, a first cord extended at an opposite side of the case and connected to the audio connector, a second cord extended at the opposite side of the case and connected to the audio connector and having a USB connector at a distal end, and a pair of earpieces electrically connected to the first and second cords for outputting audio signals in the form of audible sound waves.
    Type: Application
    Filed: August 21, 2007
    Publication date: August 7, 2008
    Applicant: YUNGS GROUP, INC.
    Inventors: Jin-Seok KIM, Han-Ho Maeng, Young-Woong Han, Myung-Hoon Jung