Patents by Inventor Horng-Ren Chang

Horng-Ren Chang 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: 7991434
    Abstract: A Combi-SIM card framework of electronic purse combining wireless transceiver of mobile device is a framework that combines the mobile phone subscriber identity module (SIM or USIM) chip and the electronic purse smart card chip having no wireless induction analog circuit to form a complex subscriber identity module (hereinafter known as Combi-SIM) and further cooperates with a mobile device having multifunction wireless transceiver. Based on the fact that the multifunction wireless transceiver is equipped with the signal path selection functions, the mobile device not only works as a wireless card but also works as a card reader to read exterior wireless card or access the content of electronic purse smart card in the Combi-SIM. Herewith, it provides functions of electronic purse and telecommunication value added service integration. Consumer proceeds electronic purse transaction at anytime and anywhere through the convenience of carry-on mobile device.
    Type: Grant
    Filed: November 17, 2007
    Date of Patent: August 2, 2011
    Assignee: Chunghwa Telecom Co. Ltd.
    Inventors: Hong-Kai Yen, Chen-Shin Miou, Yeou-Fuh Kuan, Po-Wen Ko, Horng-Ren Chang
  • Publication number: 20090036166
    Abstract: A Combi-SIM card framework of electronic purse combining non-contacting transceiver of mobile device is a framework that combines the mobile phone subscriber identity module (SIM or USIM) chip and the electronic purse smart card chip having no non-contacting induction analog circuit to form a complex subscriber identity module (hereinafter known as Combi-SIM) and further cooperates with a mobile device having multifunction non-contacting transceiver. Based on the fact that the multifunction non-contacting transceiver is equipped with the signal path selection functions, the mobile device not only works as a non-contacting card but also works as a card reader to read exterior non-contacting card or access the content of electronic purse smart card in the Combi-SIM. Herewith, it provides functions of electronic purse and telecommunication value added service integration. Consumer proceeds electronic purse transaction at anytime and anywhere through the convenience of carry-on mobile device.
    Type: Application
    Filed: November 17, 2007
    Publication date: February 5, 2009
    Inventors: Hong-Kai YEN, Chen-Shin Miou, Yeou-Fuh Kuan, Po-Wen Ko, Horng-Ren Chang