Patents by Inventor Tae-Kwan CHA

Tae-Kwan CHA 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: 20090009324
    Abstract: An apparatus and method for using an alarm function in a portable terminal is provided. In the method, a residual battery voltage of the portable terminal is checked, the portable terminal is turned off when the residual battery voltage becomes identical to a threshold voltage, and the portable terminal is turned on to generate an alarm when the present time becomes identical to a preset alarm time.
    Type: Application
    Filed: July 1, 2008
    Publication date: January 8, 2009
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Seung-Jun LEE, Tae-Kwan CHA