Patents Assigned to R. F. Tech Co., Ltd
  • Portable charger for mobile phone
    Patent number: 7166987
    Abstract: Disclosed herein is a portable charger for a mobile phone. The portable charger includes a front housing, a rear housing, a belt clip, a fastening unit, a pair of clamps, a release button, an interface connector, a secondary battery and a charge control unit. The portable charger is easy to carry, can easily charge the battery of the mobile phone with direct current power charged in a secondary battery, and can simultaneously charge the secondary battery and the battery of the mobile phone using a travel adaptor.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: January 23, 2007
    Assignee: R. F. Tech Co., Ltd
    Inventors: Kyung-Sang Lee, Jung-Woo Lee, Moon-Young Chai