Patents by Inventor Joung Hwa Jung

Joung Hwa Jung 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 SYSTEM FOR PORTABLE ELECTRICAL EQUIPMENT
    Publication number: 20070286432
    Abstract: A speaker system for a portable electrical equipment includes: a wireless receiving pack receiving an audio signal from the portable electrical equipment; and a speaker unit receiving the audio signal from the wireless receiving pack and outputting the audio signal as a sound, the speaker unit connected to the wireless receiving pack.
    Type: Application
    Filed: November 7, 2006
    Publication date: December 13, 2007
    Applicant: Diotech Co., Ltd.
    Inventors: Jung Sik SHIN, Joung Hwa Jung, Pil Nam KIM