Patents by Inventor Tae-Kyoung Kwark

Tae-Kyoung Kwark 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).

  • Battery charging system having a speaker and a mode changing switch
    Patent number: 6091225
    Abstract: A battery charging system is disclosed. The battery charging system comprises a chargeable electric instrument receiving unit for electrically connecting with a chargeable electric instrument and receiving the same therein; an audio signal receiver for receiving an audio signal from an audio signal output unit of the chargeable electric instrument; an electrical signal output unit electrically connected with the charging circuit unit; a mode switching switch connected between the electrical signal output unit and the charging circuit unit; a charging battery receiving unit connected with the electrical signal output unit and receiving the charging battery; and a speaker for generating an audio by receiving an audio signal from the audio signal output unit.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: July 18, 2000
    Assignee: LG Electronics Inc.
    Inventors: Deug-Eue Kim, Tae-Kyoung Kwark